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set back</title> <meta name="description" content="Search results for: mandibular set back"> <meta name="keywords" content="mandibular set back"> <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no"> <meta charset="utf-8"> <link href="https://cdn.waset.org/favicon.ico" type="image/x-icon" rel="shortcut icon"> <link href="https://cdn.waset.org/static/plugins/bootstrap-4.2.1/css/bootstrap.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/plugins/fontawesome/css/all.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/css/site.css?v=150220211555" rel="stylesheet"> </head> <body> <header> <div class="container"> <nav class="navbar navbar-expand-lg navbar-light"> <a class="navbar-brand" href="https://waset.org"> <img src="https://cdn.waset.org/static/images/wasetc.png" alt="Open Science Research Excellence" title="Open Science Research Excellence" /> </a> <button class="d-block d-lg-none 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action="https://publications.waset.org/abstracts/search"> <div id="custom-search-input"> <div class="input-group"> <i class="fas fa-search"></i> <input type="text" class="search-query" name="q" placeholder="Author, Title, Abstract, Keywords" value="mandibular set back"> <input type="submit" class="btn_search" value="Search"> </div> </div> </form> </div> </div> <div class="row mt-3"> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Commenced</strong> in January 2007</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Frequency:</strong> Monthly</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Edition:</strong> International</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Paper Count:</strong> 1640</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: mandibular set back</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1640</span> A Radiographic Superimposition in Orthognathic Surgery of Class III Skeletal Malocclusion</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Albert%20Suryaprawira">Albert Suryaprawira</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Patients requiring correction of severe Class III skeletal discrepancy historically has been among the most challenging treatments for orthodontists. Correction of an aesthetic and functional problem is crucially important. This is a case report of an adult male aged 18 years who complained of difficulty in chewing and speaking. Patient has a prominent profile with mandibular excess. The pre-treatment cephalometric radiograph was taken to analyse the skeletal problem and to measure the amount of bone movement and the prediction soft tissue response. The panoramic radiograph was also taken to analyse bone quality, bone abnormality, third molar impaction, etc. Before the surgery, the pre-surgical cephalometric radiograph was taken to re-evaluate the plan and to settle the final amount of bone cut. After the surgery, the post-surgical cephalometric radiograph was taken to confirm the result with the plan. The superimposition between those radiographs was performed to analyse the outcome. It includes the superimposition of the cranial base, maxilla, and mandible. Superimposition is important to describe the amount of hard and soft tissue movement. It is also important to predict the possibility of relapse after the surgery. The patient needs to understand all the surgical plan, outcome and relapse prevention. The surgery included mandibular set back by bilateral sagittal split osteotomies. Although the discrepancy was severe using this combination of treatment and the use of radiographic superimposition, an aesthetically pleasing and stable result was achieved. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cephalometric" title="cephalometric">cephalometric</a>, <a href="https://publications.waset.org/abstracts/search?q=mandibular%20set%20back" title=" mandibular set back"> mandibular set back</a>, <a href="https://publications.waset.org/abstracts/search?q=orthognathic" title=" orthognathic"> orthognathic</a>, <a href="https://publications.waset.org/abstracts/search?q=superimposition" title=" superimposition"> superimposition</a> </p> <a href="https://publications.waset.org/abstracts/64873/a-radiographic-superimposition-in-orthognathic-surgery-of-class-iii-skeletal-malocclusion" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/64873.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">258</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1639</span> Visibility of the Borders of the Mandibular Canal: A Comparative in Vitro Study Using Digital Panoramic Radiography, Reformatted Panoramic Radiography and Cross Sectional Cone Beam Computed Tomography</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Keerthilatha%20Pai">Keerthilatha Pai</a>, <a href="https://publications.waset.org/abstracts/search?q=Sakshi%20Kamra"> Sakshi Kamra</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Objectives: Determining the position of the mandibular canal prior to implant placement and surgeries of the posterior mandible are important to avoid the nerve injury. The visibility of the mandibular canal varies according to the imaging modality. Although panoramic radiography is the most common, slowly cone beam computed tomography is replacing it. This study was conducted with an aim to determine and compare the visibility of superior and inferior borders of the mandibular canal in digital panoramic radiograph, reformatted panoramic radiograph and cross-sectional images of cone beam computed tomography. Study design: digital panoramic, reformatted panoramic radiograph and cross sectional CBCT images of 25 human mandibles were evaluated for the visibility of the superior and inferior borders of the mandibular canal according to a 5 point scoring criteria. Also, the canal was evaluated as completely visible, partially visible and not visible. The mean scores and visibility percentage of all the imaging modalities were determined and compared. The interobserver and intraobserver agreement in the visualization of the superior and inferior borders of the mandibular canal were determined. Results: The superior and inferior borders of the mandibular canal were completely visible in 47% of the samples in digital panoramic, 63% in reformatted panoramic and 75.6% in CBCT cross-sectional images. The mandibular canal was invisible in 24% of samples in digital panoramic, 19% in reformatted panoramic and 2% in cross-sectional CBCT images. Maximum visibility was seen in Zone 5 and least visibility in Zone 1. On comparison of all the imaging modalities, CBCT cross-sectional images showed better visibility of superior border in Zones 2,3,4,6 and inferior border in Zones 2,3,4,6. The difference was statistically significant. Conclusion: CBCT cross-sectional images were much superior in the visualization of the mandibular canal in comparison to reformatted and digital panoramic radiographs. The inferior border was better visualized in comparison to the superior border in digital panoramic imaging. The mandibular canal was maximumly visible in posterior one-third region of the mandible and the visibility decreased towards the mental foramen. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cone%20beam%20computed%20tomography" title="cone beam computed tomography">cone beam computed tomography</a>, <a href="https://publications.waset.org/abstracts/search?q=mandibular%20canal" title=" mandibular canal"> mandibular canal</a>, <a href="https://publications.waset.org/abstracts/search?q=reformatted%20panoramic%20radiograph" title=" reformatted panoramic radiograph"> reformatted panoramic radiograph</a>, <a href="https://publications.waset.org/abstracts/search?q=visualization" title=" visualization"> visualization</a> </p> <a href="https://publications.waset.org/abstracts/108093/visibility-of-the-borders-of-the-mandibular-canal-a-comparative-in-vitro-study-using-digital-panoramic-radiography-reformatted-panoramic-radiography-and-cross-sectional-cone-beam-computed-tomography" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/108093.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">127</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1638</span> Cone Beam Computed Tomography: A Useful Diagnostic Tool to Determine Root Canal Morphology in a Sample of Egyptian Population</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=H.%20El-Messiry">H. El-Messiry</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20El-Zainy"> M. El-Zainy</a>, <a href="https://publications.waset.org/abstracts/search?q=D.%20Abdelkhalek"> D. Abdelkhalek</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Cone-beam computed tomography (CBCT) provides high-quality 3-dimensional images of dental structures because of its high spatial resolution. The study of dental morphology is important in research as it provides information about diversities within a population. Many studies have shown different shapes and numbers of roots canals among different races, especially in molars. The aim of this study was to determine the morphology of root canals of mandibular first and third molars in a sample of Egyptian population using CBCT scanning. Fifty mandibular first Molars (M1) and fifty mandibular third (M3) extracted molars were collected. Thick rectangular molds were made using pink wax to hold the samples. Molars were embedded in the wax mold by aligning them in rows leaving arbitrary 0.5cm space between them. The molds with the samples in were submitted for CBCT scan. The number and morphology of root canals were assessed and classified according to Vertucci's classification. The mesial and the distal roots were examined separately. Finally, data was analyzed using Fisher exact test. The most prevalent mesial root canal frequency in M1 was type IV (60%) and type II (40 %), while M3 showed prevalence of type I (40%) and II (40%). Distal root canal morphology showed prevalence of type I in both M1 (66%) and M3 (86%). So, it can be concluded that CBCT scanning provides supplemental information about the root canal configurations of mandibular molars in a sample of Egyptian population. This study may help clinicians in the root canal treatment of mandibular molars. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cone%20beam%20computed%20tomography" title="cone beam computed tomography">cone beam computed tomography</a>, <a href="https://publications.waset.org/abstracts/search?q=mandibular%20first%20molar" title=" mandibular first molar"> mandibular first molar</a>, <a href="https://publications.waset.org/abstracts/search?q=mandibular%20third%20molar" title=" mandibular third molar"> mandibular third molar</a>, <a href="https://publications.waset.org/abstracts/search?q=root%20canal%20morphology" title=" root canal morphology"> root canal morphology</a> </p> <a href="https://publications.waset.org/abstracts/61096/cone-beam-computed-tomography-a-useful-diagnostic-tool-to-determine-root-canal-morphology-in-a-sample-of-egyptian-population" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/61096.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">318</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1637</span> Multidisciplinary Rehabilitation Algorithm after Mandibular Resection for Ameloblastoma</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Joaquim%20de%20Almeida%20Dultra">Joaquim de Almeida Dultra</a>, <a href="https://publications.waset.org/abstracts/search?q=Daiana%20Cristina%20Pereira%20Santana"> Daiana Cristina Pereira Santana</a>, <a href="https://publications.waset.org/abstracts/search?q=F%C3%A1tima%20Karoline%20Alves%20Ara%C3%BAjo%20Dultra"> Fátima Karoline Alves Araújo Dultra</a>, <a href="https://publications.waset.org/abstracts/search?q=Liliane%20Akemi%20Kawano%20Shibasaki"> Liliane Akemi Kawano Shibasaki</a>, <a href="https://publications.waset.org/abstracts/search?q=Mariana%20Machado%20Mendes%20de%20Carvalho"> Mariana Machado Mendes de Carvalho</a>, <a href="https://publications.waset.org/abstracts/search?q=Ieda%20Margarida%20Cruso%C3%A9%20Rocha%20Rebello"> Ieda Margarida Crusoé Rocha Rebello</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Defects originating from mandibular resections can cause significant functional impairment and facial disharmony, and they have complex rehabilitation. The aim of this report is to demonstrate the authors' experience facing challenging rehabilitation after mandibular resection in a patient with ameloblastoma. Clinical and surgical steps are described simultaneously, highlighting the adaptation of the final fixed prosthesis, reported in an unprecedented way in the literature. A 37-year-old male patient was seen after a sports accident, where a pathological fracture in the symphysis and left mandibular body was identified, where a large radiolucent lesion was found. The patient underwent resection, bone graft, distraction osteogenesis, rehabilitation with dental implants, prosthesis, and finally, orofacial harmonization, in an interval of six years. Rehabilitation should consider the patient's needs individually and should have as the main objective to provide similar aesthetics and function to that present before the disease. We also emphasize the importance of interdisciplinary work during the course of rehabilitation. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=ameloblastoma" title="ameloblastoma">ameloblastoma</a>, <a href="https://publications.waset.org/abstracts/search?q=mandibular%20reconstruction" title=" mandibular reconstruction"> mandibular reconstruction</a>, <a href="https://publications.waset.org/abstracts/search?q=distraction%20osteogenesis" title=" distraction osteogenesis"> distraction osteogenesis</a>, <a href="https://publications.waset.org/abstracts/search?q=dental%20implants.%20dental%20prosthesis" title=" dental implants. dental prosthesis"> dental implants. dental prosthesis</a>, <a href="https://publications.waset.org/abstracts/search?q=implant-supported" title=" implant-supported"> implant-supported</a>, <a href="https://publications.waset.org/abstracts/search?q=treatment%20outcome" title=" treatment outcome"> treatment outcome</a> </p> <a href="https://publications.waset.org/abstracts/152841/multidisciplinary-rehabilitation-algorithm-after-mandibular-resection-for-ameloblastoma" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/152841.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">111</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1636</span> The Role of Dentists in the Management of Obstructive Sleep Apnoea</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=David%20Parmenter">David Parmenter</a>, <a href="https://publications.waset.org/abstracts/search?q=Brian%20Millar"> Brian Millar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Obstructive sleep apnoea is a common condition which is generally under-diagnosed. Poorly managed obstructive sleep apnoea carries serious health risks and can greatly impact on the sufferer's quality of life. This publication covers the aetiology, symptoms, and treatment of sleep apnoea. The treatment of Obstructive Sleep Apnoea is an emerging field, and the useful role of the Dental Team is relatively unknown, therefor this paper will highlight the role of the dental team in its treatment. The concept of mandibular advancement appliances, along with the clinical and laboratory stages for constructing them, are documented. It is the hope of the author that this publication will educate healthcare professionals on the role of dental practitioners in the multidisciplinary team for treating sleep apnoea. Objective: Individuals should be more aware of the demographic of patients at risk of sleep apnoea, how it is diagnosed and which group of sleep apnoea patients are suitable to refer for mandibular appliance therapy. Individuals should also be aware of what a mandibular advancement appliance is and how it helps treat obstructive sleep apnoea. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=sleep%20apnoea" title="sleep apnoea">sleep apnoea</a>, <a href="https://publications.waset.org/abstracts/search?q=snoring" title=" snoring"> snoring</a>, <a href="https://publications.waset.org/abstracts/search?q=sleep%20appliances" title=" sleep appliances"> sleep appliances</a>, <a href="https://publications.waset.org/abstracts/search?q=mandibular%20advancement%20appliance" title=" mandibular advancement appliance"> mandibular advancement appliance</a> </p> <a href="https://publications.waset.org/abstracts/157775/the-role-of-dentists-in-the-management-of-obstructive-sleep-apnoea" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/157775.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">108</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1635</span> The Change in the Temporomandibular Joint Bone in Osteoarthritis Induced Mice</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Boonyalitpun%20P.">Boonyalitpun P.</a>, <a href="https://publications.waset.org/abstracts/search?q=Pruckpattranon%20P."> Pruckpattranon P.</a>, <a href="https://publications.waset.org/abstracts/search?q=Thonghom%20A."> Thonghom A.</a>, <a href="https://publications.waset.org/abstracts/search?q=Rotpenpian%20N.">Rotpenpian N.</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Osteoarthritis is a musculoskeletal and neuromuscular abnormality, masticatory muscle, and other tissue that causes pain and breaks down the articular surface of the temporomandibular joint (TMJ). The aim of this study is to investigate the change in the mandibular condyle, in terms of thickness and porosity, and osteoclast marker in the mandibular condyle of TMJ induced osteoarthritis mice (TMJ-OA mice). We investigated the bony changes in the TMJ structure of a complete Freund adjuvant (CFA)-injected TMJ in a mice model over 28 days. On day 28, we observed any change in the TMJ by a micro computed tomography scan (micro-CT scan) in the parameters of trabecular microarchitecture. Then we studied the thickness of the condyles by hematoxylin and eosin staining. Moreover, we calculated the area around the TMJ’s condylar head containing the osteoclast expression by TRAP (Tartrate-resistant acid phosphatase) immunohistochemistry staining. The result found that the parameter of a micro-CT scan was no different from microarchitecture in the TMJ compared with the control group; however, mandibular condyles of the TMJ-OA group was significantly thinner than the control groups, and the osteoclast expression significantly increased in the TMJ-OA group. Therefore, our findings suggest that CFA-induced TMJ-OA represents an expression of osteoclast mandibular condyle of the TMJ, which is the proposed mechanism for a TMJ-OA model. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=condyle" title="condyle">condyle</a>, <a href="https://publications.waset.org/abstracts/search?q=osteoarthritis" title=" osteoarthritis"> osteoarthritis</a>, <a href="https://publications.waset.org/abstracts/search?q=osteoclast" title=" osteoclast"> osteoclast</a>, <a href="https://publications.waset.org/abstracts/search?q=temporomandibular%20joint" title=" temporomandibular joint"> temporomandibular joint</a> </p> <a href="https://publications.waset.org/abstracts/153303/the-change-in-the-temporomandibular-joint-bone-in-osteoarthritis-induced-mice" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/153303.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">96</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1634</span> A Method for Evaluating the Mechanical Stress on Mandibular Advancement Devices</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Tsung-yin%20Lin">Tsung-yin Lin</a>, <a href="https://publications.waset.org/abstracts/search?q=Yi-yu%20Lee"> Yi-yu Lee</a>, <a href="https://publications.waset.org/abstracts/search?q=Ching-hua%20Hung"> Ching-hua Hung</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Snoring, the lay term for obstructive breathing during sleep, is one of the most prevalent of obnoxious human habits. Loud snoring usually makes others feel noisy and uncomfortable. Snoring also influences the sleep quality of snorers’ bed partners, because of the noise they do not get to sleep easily. Snoring causes the reduce of sleep quality leading to several medical problems, such as excessive daytime sleepiness, high blood pressure, increased risk for cardiovascular disease and cerebral vascular accident, and etc. There are many non-prescription devices offered for sale on the market, but very limited data are available to support a beneficial effect of these devices on snoring and use in treating obstructive sleep apnea (OSA). Mandibular advancement devices (MADs), also termed as the Mandibular reposition devices (MRDs) are removable devices which are worn at night during sleep. Most devices require dental impression, bite registration, and fabrication by a dental laboratory. Those devices are fixed to upper and lower teeth and are adjusted to advance the mandible. The amount of protrusion is adjusted to meet the therapeutic requirements, comfort, and tolerance. Many devices have a fixed degree of advancement. Some are adjustable in a limited degree. This study focuses on the stress analysis of Mandibular Advancement Devices (MADs), which are considered as a standard treatment of snoring that promoted by American Academy of Sleep Medicine (AASM). This paper proposes a new MAD design, and the finite element analysis (FEA) is introduced to precede the stress simulation for this MAD. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=finite%20element%20analysis" title="finite element analysis">finite element analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=mandibular%20advancement%20devices" title=" mandibular advancement devices"> mandibular advancement devices</a>, <a href="https://publications.waset.org/abstracts/search?q=mechanical%20stress" title=" mechanical stress"> mechanical stress</a>, <a href="https://publications.waset.org/abstracts/search?q=snoring" title=" snoring"> snoring</a> </p> <a href="https://publications.waset.org/abstracts/36419/a-method-for-evaluating-the-mechanical-stress-on-mandibular-advancement-devices" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/36419.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">356</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1633</span> Salvage Reconstruction of Intraoral Dehiscence following Free Fibular Flap with a Superficial Temporal Artery Islandized Flap (STAIF)</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Allyne%20Topaz">Allyne Topaz</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Intraoral dehiscence compromises free fibula flaps following mandibular reconstruction. Salivary contamination risks thrombosis of microvascular anastomosis and hardware infection. The superficial temporal artery islandized flap (STAIF) offers an efficient, non-microsurgical reconstructive option for regaining intraoral competency for a time sensitive complication. Methods: The STAIF flap is based on the superficial temporal artery coursing along the anterior hairline. The flap is mapped with assistance of the doppler probe. The width of the skin paddle is taken based on the ability to close the donor site. The flap is taken down to the level of the zygomatic arch and tunneled into the mouth. Results: We present a case of a patient who underwent mandibular reconstruction with a free fibula flap after a traumatic shotgun wound. The patient developed repeated intraoral dehiscence following failed local buccal and floor of mouth flaps leading to salivary contamination of the flap and hardware. The intraoral dehiscence was successfully salvaged on the third attempt with a STAIF flap. Conclusions: Intraoral dehiscence creates a complication requiring urgent attention to prevent loss of free fibula flap after mandibular reconstruction. The STAIF is a non-microsurgical option for restoring intraoral competency. This robust, axially vascularized skin paddle may be split for intra- and extra-oral coverage, as needed and can be an important tool in the reconstructive armamentarium. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=free%20fibula%20flap" title="free fibula flap">free fibula flap</a>, <a href="https://publications.waset.org/abstracts/search?q=intraoral%20dehiscence" title=" intraoral dehiscence"> intraoral dehiscence</a>, <a href="https://publications.waset.org/abstracts/search?q=mandibular%20reconstruction" title=" mandibular reconstruction"> mandibular reconstruction</a>, <a href="https://publications.waset.org/abstracts/search?q=superficial%20temporal%20artery%20islandized%20flap" title=" superficial temporal artery islandized flap"> superficial temporal artery islandized flap</a> </p> <a href="https://publications.waset.org/abstracts/129808/salvage-reconstruction-of-intraoral-dehiscence-following-free-fibular-flap-with-a-superficial-temporal-artery-islandized-flap-staif" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/129808.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">133</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1632</span> Sex Estimation Using Cervical Measurements of Molar Teeth in an Iranian Archaeological Population</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Seyedeh%20Mandan%20Kazzazi">Seyedeh Mandan Kazzazi</a>, <a href="https://publications.waset.org/abstracts/search?q=Elena%20Kranioti"> Elena Kranioti</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In the field of human osteology, sex estimation is an important step in developing biological profile. There are a number of methods that can be used to estimate the sex of human remains varying from visual assessments to metric analysis of sexually dimorphic traits. Teeth are one of the most durable physical elements in human body that can be used for this purpose. The present study investigated the utility of cervical measurements for sex estimation through discriminant analysis. The permanent molar teeth of 75 skeletons (28 females and 52 males) from Hasanlu site in North-western Iran were studied. Cervical mesiodistal and buccolingual measurements were taken from both maxillary and mandibular first and second molars. Discriminant analysis was used to evaluate the accuracy of each diameter in assessing sex. The results showed that males had statistically larger teeth than females for maxillary and mandibular molars and both measurements (P < 0.05). The range of classiﬁcation rate was from (75.7% to 85.5%) for the original and cross-validated data. The most dimorphic teeth were maxillary and mandibular second molars providing 85.5% and 83.3% correct classification rate respectively. The data generated from the present study suggested that cervical mesiodistal and buccolingual measurements of the molar teeth can be useful and reliable for sex estimation in Iranian archaeological populations. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cervical%20measurements" title="cervical measurements">cervical measurements</a>, <a href="https://publications.waset.org/abstracts/search?q=Hasanlu" title=" Hasanlu"> Hasanlu</a>, <a href="https://publications.waset.org/abstracts/search?q=premolars" title=" premolars"> premolars</a>, <a href="https://publications.waset.org/abstracts/search?q=sex%20estimation" title=" sex estimation "> sex estimation </a> </p> <a href="https://publications.waset.org/abstracts/48568/sex-estimation-using-cervical-measurements-of-molar-teeth-in-an-iranian-archaeological-population" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/48568.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">330</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1631</span> Three-Level Converters Back-To-Back DC Bus Control for Torque Ripple Reduction of Induction Motor</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=T.%20Abdelkrim">T. Abdelkrim</a>, <a href="https://publications.waset.org/abstracts/search?q=K.%20Benamrane"> K. Benamrane</a>, <a href="https://publications.waset.org/abstracts/search?q=B.%20Bezza"> B. Bezza</a>, <a href="https://publications.waset.org/abstracts/search?q=Aeh%20Benkhelifa"> Aeh Benkhelifa</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Borni"> A. Borni</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper proposes a regulation method of back-to-back connected three-level converters in order to reduce the torque ripple in induction motor. First part is dedicated to the presentation of the feedback control of three-level PWM rectifier. In the second part, three-level NPC voltage source inverter balancing DC bus algorithm is presented. A theoretical analysis with a complete simulation of the system is presented to prove the excellent performance of the proposed technique. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=back-to-back%20connection" title="back-to-back connection">back-to-back connection</a>, <a href="https://publications.waset.org/abstracts/search?q=feedback%20control" title=" feedback control"> feedback control</a>, <a href="https://publications.waset.org/abstracts/search?q=neutral-point%20balance" title=" neutral-point balance"> neutral-point balance</a>, <a href="https://publications.waset.org/abstracts/search?q=three-level%20converter" title=" three-level converter"> three-level converter</a>, <a href="https://publications.waset.org/abstracts/search?q=torque%20ripple" title=" torque ripple"> torque ripple</a> </p> <a href="https://publications.waset.org/abstracts/8480/three-level-converters-back-to-back-dc-bus-control-for-torque-ripple-reduction-of-induction-motor" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/8480.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">497</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1630</span> The Accuracy of an In-House Developed Computer-Assisted Surgery Protocol for Mandibular Micro-Vascular Reconstruction</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Christophe%20Spaas">Christophe Spaas</a>, <a href="https://publications.waset.org/abstracts/search?q=Lies%20Pottel"> Lies Pottel</a>, <a href="https://publications.waset.org/abstracts/search?q=Joke%20De%20Ceulaer"> Joke De Ceulaer</a>, <a href="https://publications.waset.org/abstracts/search?q=Johan%20Abeloos"> Johan Abeloos</a>, <a href="https://publications.waset.org/abstracts/search?q=Philippe%20Lamoral"> Philippe Lamoral</a>, <a href="https://publications.waset.org/abstracts/search?q=Tom%20De%20Backer"> Tom De Backer</a>, <a href="https://publications.waset.org/abstracts/search?q=Calix%20De%20Clercq"> Calix De Clercq</a> </p> <p class="card-text"><strong>Abstract:</strong></p> We aimed to evaluate the accuracy of an in-house developed low-cost computer-assisted surgery (CAS) protocol for osseous free flap mandibular reconstruction. All patients who underwent primary or secondary mandibular reconstruction with a free (solely or composite) osseous flap, either a fibula free flap or iliac crest free flap, between January 2014 and December 2017 were evaluated. The low-cost protocol consisted out of a virtual surgical planning, a prebend custom reconstruction plate and an individualized free flap positioning guide. The accuracy of the protocol was evaluated through comparison of the postoperative outcome with the 3D virtual planning, based on measurement of the following parameters: intercondylar distance, mandibular angle (axial and sagittal), inner angular distance, anterior-posterior distance, length of the fibular/iliac crest segments and osteotomy angles. A statistical analysis of the obtained values was done. Virtual 3D surgical planning and cutting guide design were performed with Proplan CMF® software (Materialise, Leuven, Belgium) and IPS Gate (KLS Martin, Tuttlingen, Germany). Segmentation of the DICOM data as well as outcome analysis were done with BrainLab iPlan® Software (Brainlab AG, Feldkirchen, Germany). A cost analysis of the protocol was done. Twenty-two patients (11 fibula /11 iliac crest) were included and analyzed. Based on voxel-based registration on the cranial base, 3D virtual planning landmark parameters did not significantly differ from those measured on the actual treatment outcome (p-values >0.05). A cost evaluation of the in-house developed CAS protocol revealed a 1750 euro cost reduction in comparison with a standard CAS protocol with a patient-specific reconstruction plate. Our results indicate that an accurate transfer of the planning with our in-house developed low-cost CAS protocol is feasible at a significant lower cost. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=CAD%2FCAM" title="CAD/CAM">CAD/CAM</a>, <a href="https://publications.waset.org/abstracts/search?q=computer-assisted%20surgery" title=" computer-assisted surgery"> computer-assisted surgery</a>, <a href="https://publications.waset.org/abstracts/search?q=low-cost" title=" low-cost"> low-cost</a>, <a href="https://publications.waset.org/abstracts/search?q=mandibular%20reconstruction" title=" mandibular reconstruction"> mandibular reconstruction</a> </p> <a href="https://publications.waset.org/abstracts/93457/the-accuracy-of-an-in-house-developed-computer-assisted-surgery-protocol-for-mandibular-micro-vascular-reconstruction" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/93457.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">141</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1629</span> The Bone Remodeling of Mandible in Bruxers</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Eni%20Rahmi">Eni Rahmi</a>, <a href="https://publications.waset.org/abstracts/search?q=Rasmi%20Rikmasari"> Rasmi Rikmasari</a>, <a href="https://publications.waset.org/abstracts/search?q=Taufik%20Soemarsongko"> Taufik Soemarsongko</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Background: One of the bad habits that requires a treatment and viewed as a risk factor of the temporomandibular disorder is bruxism. Bruxism defined as an awake and/or asleep parafunctional activities include grinding, gnashing, bracing or clenching of the teeth. In particular circumstances such as an increased frequency of episode, duration and the intensity of masseter contractions, caused phenomenon with pathological consequences, i.e., mandibular remodeling. The remodeling in mandibular angle was associated with the masseter and pterygoid medial muscles attachment which in its insertion area. The aim of this study was to compare the mandibular remodeling between bruxers and non-bruxers with ramus height, gonial angle and bigonial width as parameters, and to identify correlation among those parameters in bruxers, using panoramic radiographic. Methods: This study was conducted on 35 bruxers (10 phasic bruxism patients, 6 tonic bruxism patients, and 19 mixed bruxism patients) and 20 non-bruxers as control group. The data were obtained by using questionary, clinical examination, and radiographic measurement. Panoramic radiograph measurement was done using soft CBCT EPX Impla (E-Woo Korea). The data was analyzed by using Paired T-Test to see differences between parameters in both group and Pearson Correlation Test to evaluate correlation among parameters. Result: There was significant differences between bruxers and non-bruxers in ramus heights (p=0,04), bigonial widths (p=0,001), and gonial angles(p=0,015). The bruxers showed increased ramus heights and bigonial widths, in other hand, the gonial angles decreased. This study also found that there was highly correlation among ramus height, gonial angles, and bigonial widths. Conclusion: the bone remodeling occurred on inferior and posterior border of mandibular angle in bruxism patient, indicated by the form and size differences between bruxers (phasic bruxism, tonic bruxism, and mixed bruxism) with non-bruxers, which shown by panoramic radiograph. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=bruxism" title="bruxism">bruxism</a>, <a href="https://publications.waset.org/abstracts/search?q=ramus%20height" title=" ramus height"> ramus height</a>, <a href="https://publications.waset.org/abstracts/search?q=gonial%20angle" title=" gonial angle"> gonial angle</a>, <a href="https://publications.waset.org/abstracts/search?q=bigonial%20width" title=" bigonial width"> bigonial width</a> </p> <a href="https://publications.waset.org/abstracts/67452/the-bone-remodeling-of-mandible-in-bruxers" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/67452.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">300</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1628</span> Different Ergonomic Exposures and Infrared Thermal Temperature on Low Back</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sihao%20Lin">Sihao Lin</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Objectives: Infrared thermography (IRT) has been little documented in the objective measurement of ergonomic exposure. We aimed to examine the association between different ergonomic exposures and low back skin temperature measured by IRT. Methods: A total of 114 subjects among sedentary students, sports students and cleaning workers were selected as different ergonomic exposure levels. Low back skin temperature was measured by infrared thermography before and post ergonomic exposure. Ergonomic exposure was assessed by Quick Exposure Check (QEC) and quantitative scores were calculated on the low back. Multiple regressions were constructed to examine the possible associations between ergonomic risk exposures and the skin temperature over the low back. Results: Compared to the two student groups, clean workers had significantly higher ergonomic exposure scores on the low back. The low back temperature variations were different among the three groups. The temperature decreased significantly among students with ergonomic exposure (P < 0.01), while it increased among cleaning workers. With adjustment of confounding, the post-exposure temperature and the temperature changes after exposure showed a significantly negative association with ergonomic exposure scores. For maximum temperature, one increasing ergonomic score decreased -0.23◦C (95% CI -0.37, -0.10) of temperature after ergonomic exposure over the low back. Conclusion: There was a significant association between ergonomic exposures and infrared thermal temperature over low back. IRT could be used as an objective assessment of ergonomic exposure on the low back. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=ergonomic%20exposure" title="ergonomic exposure">ergonomic exposure</a>, <a href="https://publications.waset.org/abstracts/search?q=infrared%20thermography" title=" infrared thermography"> infrared thermography</a>, <a href="https://publications.waset.org/abstracts/search?q=musculoskeletal%20disorders" title=" musculoskeletal disorders"> musculoskeletal disorders</a>, <a href="https://publications.waset.org/abstracts/search?q=skin%20temperature" title=" skin temperature"> skin temperature</a>, <a href="https://publications.waset.org/abstracts/search?q=low%20back" title=" low back"> low back</a> </p> <a href="https://publications.waset.org/abstracts/168788/different-ergonomic-exposures-and-infrared-thermal-temperature-on-low-back" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/168788.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">103</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1627</span> Preoperative 3D Planning and Reconstruction of Mandibular Defects for Patients with Oral Cavity Tumors</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Janis%20Zarins">Janis Zarins</a>, <a href="https://publications.waset.org/abstracts/search?q=Kristaps%20Blums"> Kristaps Blums</a>, <a href="https://publications.waset.org/abstracts/search?q=Oskars%20Radzins"> Oskars Radzins</a>, <a href="https://publications.waset.org/abstracts/search?q=Renars%20Deksnis"> Renars Deksnis</a>, <a href="https://publications.waset.org/abstracts/search?q=Atis%20Svare"> Atis Svare</a>, <a href="https://publications.waset.org/abstracts/search?q=Santa%20Salaka"> Santa Salaka</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Wide tumor resection remains the first choice method for tumors of the oral cavity. Nevertheless, remained tissue defect impacts patients functional and aesthetical outcome, which could be improved using microvascular tissue transfers. Mandibular reconstruction is challenging due to the complexity of composite tissue defects and occlusal relationships for normal eating, chewing, and pain free jaw motions. Individual 3-D virtual planning would provide better symmetry and functional outcome. The main goal of preoperative planning is to develop a customized surgical approach with patient specific cutting guides of the mandible, osteotomy guides of the fibula, pre-bended osteosynthesis plates to perform more precise reconstruction, to decrease the surgery time and reach the best outcome. Our study is based on the analysis of 32 patients operated on between 2019 to 2021. All patients underwent mandible reconstruction with vascularized fibula flaps. Patients characteristics, surgery profile, survival, functional outcome, and quality of life was evaluated. Preoperative planning provided a significant decrease of surgery time and the best arrangement of bone closely similar as before the surgery. In cases of bone asymmetry, deformity and malposition, a new mandible was created using 3D planning to restore the appearance of lower jaw anatomy and functionality. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=mandibular" title="mandibular">mandibular</a>, <a href="https://publications.waset.org/abstracts/search?q=3D%20planning" title=" 3D planning"> 3D planning</a>, <a href="https://publications.waset.org/abstracts/search?q=cutting%20guides" title=" cutting guides"> cutting guides</a>, <a href="https://publications.waset.org/abstracts/search?q=fibula%20flap" title=" fibula flap"> fibula flap</a>, <a href="https://publications.waset.org/abstracts/search?q=reconstruction" title=" reconstruction"> reconstruction</a> </p> <a href="https://publications.waset.org/abstracts/145543/preoperative-3d-planning-and-reconstruction-of-mandibular-defects-for-patients-with-oral-cavity-tumors" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/145543.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">126</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1626</span> Prevalence of Dens Evaginatus in Adolescent Population of Melaka: A Retrospective Study</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Preethy%20Mary%20Donald">Preethy Mary Donald</a>, <a href="https://publications.waset.org/abstracts/search?q=Renjith%20George%20Pallivathukal"> Renjith George Pallivathukal</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Dens evaginatus (DE) is a rare developmental anomaly characterized by a slender enamel-covered tubercle which projects from the occlusal surface of an otherwise normal premolar. DE can often interfere normal occlusion and can lead to complications like sensitivity, pulpal exposure and temporo mandibular joint problems. The orthopantomographs (OPGs) and dental records of patients under the age of 20 who attended the faculty of dentistry, Melaka-Manipal Medical College were examined for DE. Results: The prevalence of DE was 23% among the study group. Males presented with a higher prevalence of 67% and females with 33%. The prevalence of Dens evaginatus was distributed as 28% in maxillary central incisor, 52% in maxillary lateral incisors, 12% in mandibular second premolars. Prevalence in permanent dentitions appeared to be higher than deciduous dentition. The bilateral occurrence of Dens evaginatus is an interesting phenomenon. 57% of the cases of the DE were bilateral. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=deciduous%20dentition" title="deciduous dentition">deciduous dentition</a>, <a href="https://publications.waset.org/abstracts/search?q=dens%20evaginatus" title=" dens evaginatus"> dens evaginatus</a>, <a href="https://publications.waset.org/abstracts/search?q=permanent%20dentition" title=" permanent dentition"> permanent dentition</a>, <a href="https://publications.waset.org/abstracts/search?q=prevalence" title=" prevalence"> prevalence</a> </p> <a href="https://publications.waset.org/abstracts/61549/prevalence-of-dens-evaginatus-in-adolescent-population-of-melaka-a-retrospective-study" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/61549.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">306</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1625</span> Radiographic Predictors of Mandibular Third Molar Extraction Difficulties under General Anaesthetic</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Carolyn%20Whyte">Carolyn Whyte</a>, <a href="https://publications.waset.org/abstracts/search?q=Tina%20Halai"> Tina Halai</a>, <a href="https://publications.waset.org/abstracts/search?q=Sonita%20Koshal"> Sonita Koshal</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Aim: There are many methods available to assess the potential difficulty of third molar surgery. This study investigated various factors to assess whether they had a bearing on the difficulties encountered. Study design: A retrospective study was completed of 62 single mandibular third molar teeth removed under day case general anaesthesia between May 2016 and August 2016 by 3 consultant oral surgeons. Method: Data collection was by examining the OPG radiographs of each tooth and recording the necessary data. This was depth of impaction, angulation, bony impaction, point of application in relation to second molar, root morphology, Pell and Gregory classification and Winters Lines. This was completed by one assessor and verified by another. Information on medical history, anxiety, ethnicity and age were recorded. Case notes and surgical entries were examined for any difficulties encountered. Results: There were 5 cases which encountered surgical difficulties which included fracture of root apices (3) which were left in situ, prolonged bleeding (1) and post-operative numbness >6 months(1). Four of the 5 cases had Pell and Gregory classification as (B) where the occlusal plane of the impacted tooth is between the occlusal plane and the cervical line of the adjacent tooth. 80% of cases had the point of application as either coronal or apical one third (1/3) in relation to the second molar. However, there was variability in all other aspects of assessment in predicting difficulty of removal. Conclusions: Of the cases which encountered difficulties they all had at least one predictor of potential complexity but these varied case by case. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=impaction" title="impaction">impaction</a>, <a href="https://publications.waset.org/abstracts/search?q=mandibular%20third%20molar" title=" mandibular third molar"> mandibular third molar</a>, <a href="https://publications.waset.org/abstracts/search?q=radiographic%20assessment" title=" radiographic assessment"> radiographic assessment</a>, <a href="https://publications.waset.org/abstracts/search?q=surgical%20removal" title=" surgical removal"> surgical removal</a> </p> <a href="https://publications.waset.org/abstracts/58983/radiographic-predictors-of-mandibular-third-molar-extraction-difficulties-under-general-anaesthetic" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/58983.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">181</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1624</span> Settlement Analysis of Back-To-Back Mechanically Stabilized Earth Walls</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Akhila%20Palat">Akhila Palat</a>, <a href="https://publications.waset.org/abstracts/search?q=B.%20Umashankar"> B. Umashankar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Back-to-back Mechanically Stabilized Earth (MSE) walls are cost-effective soil-retaining structures that can tolerate large settlements compared to conventional gravity retaining walls. They are also an economical way to meet everyday earth retention needs for highway and bridge grade separations, railroads, commercial and residential developments. But, existing design guidelines (FHWA/BS/ IS codes) do not provide a mechanistic approach for the design of back-to-back reinforced retaining walls. The settlement analysis of such structures is limited in the literature. A better understanding of the deformations of this wall system requires an analytical tool that incorporates the properties of backfill material, foundation soil, and geosynthetic reinforcement, and account for the soil–structure interactions in a realistic manner. This study was conducted to investigate the effect of reinforced back-to-back MSE walls on wall settlements and facing deformations. Back-to-back reinforced retaining walls were modeled and compared using commercially available finite difference package FLAC 2D. Parametric studies were carried out for various angles of shearing resistance of backfill material and foundation soil, and the axial stiffness of the reinforcement. A 6m-high wall was modeled, and the facing panels were taken as full-length panels with nominal thickness. Reinforcement was modeled as cable elements (two-dimensional structural elements). Interfaces were considered between soil and wall, and soil and reinforcement. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=back-to-back%20walls" title="back-to-back walls">back-to-back walls</a>, <a href="https://publications.waset.org/abstracts/search?q=numerical%20modeling" title=" numerical modeling"> numerical modeling</a>, <a href="https://publications.waset.org/abstracts/search?q=reinforced%20wall" title=" reinforced wall"> reinforced wall</a>, <a href="https://publications.waset.org/abstracts/search?q=settlement" title=" settlement"> settlement</a> </p> <a href="https://publications.waset.org/abstracts/66038/settlement-analysis-of-back-to-back-mechanically-stabilized-earth-walls" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/66038.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">303</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1623</span> The Management of Behcet's Disease Patient's Mandibular Total Edentulism with Custom Made Implant Supported Bar Retainer: A Case Report </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Faruk%20Emir">Faruk Emir</a>, <a href="https://publications.waset.org/abstracts/search?q=Simel%20Ayy%C4%B1ld%C4%B1z"> Simel Ayyıldız</a>, <a href="https://publications.waset.org/abstracts/search?q=Cem%20%C5%9Eahin"> Cem Şahin </a> </p> <p class="card-text"><strong>Abstract:</strong></p> Behçet’s disease or Behçet’s syndrome is a chronic and multi-systemic inflammatory disease of unknown cause. This syndrome often presents with mucous membrane ulceration and ocular problems. As a systemic disease Behcet includes triple-symptom complex of recurrent oral aphthous ulcers, genital ulcers, and uveitis. Nearly all patients present with some form of painful oral mucocutaneous ulcerations in the form of aphthous ulcers. The aim of the treatment plan for Behçet’s Disease patients is to eliminate oral problems and increase the patient comfort.This clinical report represents the prosthodontic rehabilitation of Behcet’s disease patients mandibular total edentulism with the use of implant supported prosthesis that planned on custom abutments and bar retainers via CAD/CAM technology and patient satisfaction has been achieved in function and aesthetics. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Beh%C3%A7et%E2%80%99s%20disease" title="Behçet’s disease">Behçet’s disease</a>, <a href="https://publications.waset.org/abstracts/search?q=CAD%2FCAM" title=" CAD/CAM"> CAD/CAM</a>, <a href="https://publications.waset.org/abstracts/search?q=custom-made%20manufacturing" title=" custom-made manufacturing"> custom-made manufacturing</a>, <a href="https://publications.waset.org/abstracts/search?q=titanium%20milled%20bar%20retainer" title=" titanium milled bar retainer "> titanium milled bar retainer </a> </p> <a href="https://publications.waset.org/abstracts/27308/the-management-of-behcets-disease-patients-mandibular-total-edentulism-with-custom-made-implant-supported-bar-retainer-a-case-report" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/27308.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">334</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1622</span> Resistivity Tomography Optimization Based on Parallel Electrode Linear Back Projection Algorithm</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Yiwei%20Huang">Yiwei Huang</a>, <a href="https://publications.waset.org/abstracts/search?q=Chunyu%20Zhao"> Chunyu Zhao</a>, <a href="https://publications.waset.org/abstracts/search?q=Jingjing%20Ding"> Jingjing Ding</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Electrical Resistivity Tomography has been widely used in the medicine and the geology, such as the imaging of the lung impedance and the analysis of the soil impedance, etc. Linear Back Projection is the core algorithm of Electrical Resistivity Tomography, but the traditional Linear Back Projection can not make full use of the information of the electric field. In this paper, an imaging method of Parallel Electrode Linear Back Projection for Electrical Resistivity Tomography is proposed, which generates the electric field distribution that is not linearly related to the traditional Linear Back Projection, captures the new information and improves the imaging accuracy without increasing the number of electrodes by changing the connection mode of the electrodes. The simulation results show that the accuracy of the image obtained by the inverse operation obtained by the Parallel Electrode Linear Back Projection can be improved by about 20%. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=electrical%20resistivity%20tomography" title="electrical resistivity tomography">electrical resistivity tomography</a>, <a href="https://publications.waset.org/abstracts/search?q=finite%20element%20simulation" title=" finite element simulation"> finite element simulation</a>, <a href="https://publications.waset.org/abstracts/search?q=image%20optimization" title=" image optimization"> image optimization</a>, <a href="https://publications.waset.org/abstracts/search?q=parallel%20electrode%20linear%20back%20projection" title=" parallel electrode linear back projection"> parallel electrode linear back projection</a> </p> <a href="https://publications.waset.org/abstracts/112189/resistivity-tomography-optimization-based-on-parallel-electrode-linear-back-projection-algorithm" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/112189.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">153</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1621</span> The Incidence of Inferior Alveolar Nerve Dysfunction Following Bilateral Sagittal Split Osteotomies: A Single Centre Retrospective Audit in the United Kingdom</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Krupali%20Mukeshkumar">Krupali Mukeshkumar</a>, <a href="https://publications.waset.org/abstracts/search?q=Jinesh%20Shah"> Jinesh Shah</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Background: Bilateral Sagittal Split Osteotomy (BSSO), used for the correction of mandibular deformities, is a common oral and maxillofacial surgical procedure. Inferior alveolar nerve dysfunction is commonly reported post-operatively by patients as paresthesia or anesthesia. The current literature lacks a consensus on the incidence of inferior alveolar nerve dysfunction as patients are not routinely assessed pre and post-operatively with an objective assessment. The range of incidence varies from 9% to 85% of patients, with some authors arguing that 100% of patients experience nerve dysfunction immediately post-surgery. Systematic reviews have shown a difference between incidence rates at different follow-up periods using objective and subjective methods. Aim: To identify the incidence of inferior alveolar nerve dysfunction following BSSO. Gold standard: Nerve dysfunction incidence rates similar or lower than current literature of 83% day one post-operatively and 18.4% at one year follow up. Setting: A retrospective cross-sectional audit of patients treated between 2017-2019 at the Royal Stoke University Hospital, Maxillofacial and Orthodontic departments. Sample: All patients who underwent a BSSO (with or without le fort one osteotomy) between 2017–2019 were identified from the database. Patients with pre-existing neurosensory disturbance, those who had a genioplasty at the same time and those with no follow-up were excluded. The sample consisted of 121 patients, 37 males and 84 females between the ages of 17-50 years at the time of surgery. Methods: Clinical records of 121 cases were reviewed to assess the age, sex, type of mandibular osteotomy, status of the nerve during the surgical procedure, type of bony split and incidence of nerve dysfunction at follow-up appointments. The surgical procedure was carried out by three Maxillo-facial surgeons and follow-up appointments were carried out in the Orthodontic and Oral and Maxillo-facial departments. Results: 120 patients were treated to correct the mandibular facial deformity and 1 patient was treated for sleep apnoea. Seventeen patients had a mandibular setback and 104 patients had mandibular advancement. 68 patients reported inferior alveolar nerve dysfunction at one week following their surgery. Seventy-six patients had temporary paresthesia present between 2 weeks and 12 months post-surgery. 13 patients had persistent nerve dysfunction at 12 months, of which 1 had a bad bony split during the BSSO. The incidence of nerve dysfunction postoperatively was 6.6% after 1 day, 56.1% at 1 week, 62.8% at 2 weeks, 59.5% between 3-6 weeks, 43.0% between 8-16 weeks and 10.7% at 1 year. Conclusions: The results of this audit show a similar incidence rate to the research gold standard at the one-year follow-up. Future Recommendations: No changes to surgical procedure or technique are indicated, but a need for improved documentation and a standardized approach for assessment of post-operative nerve dysfunction would be beneficial. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=bilateral%20sagittal%20split%20osteotomy" title="bilateral sagittal split osteotomy">bilateral sagittal split osteotomy</a>, <a href="https://publications.waset.org/abstracts/search?q=inferior%20alveolar%20nerve" title=" inferior alveolar nerve"> inferior alveolar nerve</a>, <a href="https://publications.waset.org/abstracts/search?q=mandible" title=" mandible"> mandible</a>, <a href="https://publications.waset.org/abstracts/search?q=nerve%20dysfunction" title=" nerve dysfunction"> nerve dysfunction</a> </p> <a href="https://publications.waset.org/abstracts/139078/the-incidence-of-inferior-alveolar-nerve-dysfunction-following-bilateral-sagittal-split-osteotomies-a-single-centre-retrospective-audit-in-the-united-kingdom" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/139078.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">237</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1620</span> Immediate Effect of Transcutaneous Electrical Nerves Stimulation on Flexibility and Health Status in Patients with Chronic Nonspecific Low Back Pain (A Pilot Study)</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Narupon%20Kunbootsri">Narupon Kunbootsri</a>, <a href="https://publications.waset.org/abstracts/search?q=Patpiya%20Sirasaporn"> Patpiya Sirasaporn</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Low back pain is the most common of chief complaints in chronic pain. Low back pain directly affect to activities daily living and also has high socioeconomic costs. The prevalence of low back pain is high in both genders in all populations. The symptoms of low back pain including, pain at low back area, muscle spasm, tenderness points and stiff back. Trancutanous Electrical Nerve Stimulation (TENS) is one of modalities mainly use for control pain. There was indicated that TENS is wildly use in low back pain, but no scientific data about the flexibility of muscle after TENS in low back pain. Thus the aim of this study was to investigate immediate effect of TENS on flexibility and health status in patients with chronic nonspecific low back pain. Eight chronic nonspecific low back pain patients 1 male and 7 female employed in this study. Participants were diagnosed by a doctor based on history and physical examination. Each participant received treatment at physiotherapy unit. Participants completed Roland Morris Disability Questionnaire (RMDQ), numeric rating scale (NRS) and trunk flexibility before treatment. Each participant received low frequency TENS set at asymmetrical, 10 Hz, 20 minutes per point. Immediately after treatment, participants completed RNS, RMDQ and trunk flexibility again. All participants were treated by only one physiotherapist. There was a statistically significant increased in flexibility immediately after low frequency TENS [mean difference -6.37 with 95%CI were (-8.35)-(-4.39)]. There was a statistically significant decreased in numeric rating scale [mean difference 2.13 with 95%CI were 1.08-3.16]. Roland Morris Disability Questionnaire showed improvement of health status average 44.8% immediately after treatment. In conclusion, the results of the present study indicate that immediately effect after low frequency TENS can decrease pain and improve flexibility of back muscle in chronic nonspecific low back pain patients. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=low%20back%20pain" title="low back pain">low back pain</a>, <a href="https://publications.waset.org/abstracts/search?q=flexibility" title=" flexibility"> flexibility</a>, <a href="https://publications.waset.org/abstracts/search?q=TENS" title=" TENS"> TENS</a>, <a href="https://publications.waset.org/abstracts/search?q=chronic" title=" chronic "> chronic </a> </p> <a href="https://publications.waset.org/abstracts/23782/immediate-effect-of-transcutaneous-electrical-nerves-stimulation-on-flexibility-and-health-status-in-patients-with-chronic-nonspecific-low-back-pain-a-pilot-study" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/23782.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">556</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1619</span> Case Report: Mandibular Area Abscesses in Calves</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Dovil%C4%97%20Ba%C4%8D%C4%97ninait%C4%97">Dovilė Bačėninaitė</a>, <a href="https://publications.waset.org/abstracts/search?q=Karina%20D%C5%BEermeikait%C4%97"> Karina Džermeikaitė</a>, <a href="https://publications.waset.org/abstracts/search?q=Justinas%20Kirvela"> Justinas Kirvela</a>, <a href="https://publications.waset.org/abstracts/search?q=Ram%C5%ABnas%20Antanaitis"> Ramūnas Antanaitis</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Bacteria are often present in the mouth of cattle. Some of them can cause abscesses. Starting with severe swelling of the mouth, muscle spasm, or locked jaw, it can lead to inability to open its mouth, move the neck, cause pain while eating. While the calf is unable to eat properly, it becomes more susceptible to infectious diseases, lower weight gain can be observed. Abscesses can be considered as a continuum of oral disease, whereby early stages of the lumpy jaw could proceed from gingivitis to periodontal disease. In the event of tissue damage, bacteria can enter the bloodstream, even cause sepsis. The most common lesions occur when animals eat sharp grass, coarse fodder, sharp, piercing foreign bodies (this is especially common for calves when they are trying to eat inedible objects). A crossbred Holstein calf presented with a history of proliferative outgrowth in the mandibular region. On clinical examination, needle aspiration, mandibular swelling revealed sticky, white curd-like fluid containing. Pus bacteriology revealed gram-negative cocci. They were sensitive to amoxicillin, cephalexin, enrofloxacin, ceftiofur. Blood morphology was in physiological ranges. The calf was treated surgically. The growth was excised, the puss drained and the wound was flushed with potassium permanganate solution (0,01%). A week after clinical surgery examination was performed. The swelling was decreased. Superficial bacterial infections are often associated with poor hygiene, which should be improved before treatment is commenced. Clipping away dirty hair and gently washing affected areas of skin daily with solutions such as povidone-iodine, potassium permanganate is effective. Appropriate antibiotic therapy, based on sensitivity testing, may be used where there is evidence of systemic illness. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=calf" title="calf">calf</a>, <a href="https://publications.waset.org/abstracts/search?q=abscess" title=" abscess"> abscess</a>, <a href="https://publications.waset.org/abstracts/search?q=lumpy%20jaw" title=" lumpy jaw"> lumpy jaw</a>, <a href="https://publications.waset.org/abstracts/search?q=pus" title=" pus"> pus</a>, <a href="https://publications.waset.org/abstracts/search?q=Streptococcus" title=" Streptococcus"> Streptococcus</a>, <a href="https://publications.waset.org/abstracts/search?q=Staphylococcus" title=" Staphylococcus"> Staphylococcus</a>, <a href="https://publications.waset.org/abstracts/search?q=Actinobacillus" title=" Actinobacillus"> Actinobacillus</a>, <a href="https://publications.waset.org/abstracts/search?q=infection" title=" infection"> infection</a> </p> <a href="https://publications.waset.org/abstracts/143420/case-report-mandibular-area-abscesses-in-calves" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/143420.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">280</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1618</span> Evaluation of Joint Contact Forces and Muscle Forces in the Subjects with Non-Specific Low Back Pain</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mohammad%20Taghi%20Karimi">Mohammad Taghi Karimi</a>, <a href="https://publications.waset.org/abstracts/search?q=Maryam%20Hasan%20Zahraee"> Maryam Hasan Zahraee</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Background: Low back pain (LBP) is a common health and socioeconomic problem, especially the chronic one. The joint contact force is an important parameter during walking which increases the incidence of injury and degenerative joint disease. To our best knowledge, there are not enough evidences in literature on the muscular forces and joint contact forces in subjects with low back pain. Purpose: The main hypothesis associated with this research was that joint contact force of L4/L5 of non-specific chronic low back pain subjects was the same as that of normal. Therefore, the aim of this study was to determine the joint contact force difference between non-specific chronic low back pain and normal subjects. Method: This was an experimental-comparative study. 20 normal subjects and 20 non-specific chronic low back pain patients were recruited in this study. Qualysis motion analysis system and a Kistler force plate were used to collect the motions and the force applied on the leg, respectively. OpenSimm software used to determine joint contact force and muscle forces in this study. Some parameters such as force applied on the legs (pelvis), kinematic of hip and pelvic, peaks of muscles, force of trunk musculature and joint contact force of L5/S1 were used for further analysis. Differences between mean values of all data were measured using two-sample t-test among the subjects. Results: The force produced by Semitendinosus, Biceps Femoris, and Adductor muscles were significantly different between low back pain and normal subjects. Moreover, the mean value of breaking component of the force of the knee joint increased significantly in low back pain subjects, besides a significant decrease in mean value of the vertical component of joint reaction force compared to the normal ones. Conclusions: The forces produced by the trunk and pelvic muscles, and joint contact forces differ significantly between low back pain and normal subjects. It seems that those with non-specific chronic low back pain use trunk muscles more than normal subjects to stabilize the pelvic during walking. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=low%20back%20pain" title="low back pain">low back pain</a>, <a href="https://publications.waset.org/abstracts/search?q=joint%20contact%20force" title=" joint contact force"> joint contact force</a>, <a href="https://publications.waset.org/abstracts/search?q=kinetic" title=" kinetic"> kinetic</a>, <a href="https://publications.waset.org/abstracts/search?q=muscle%20force" title=" muscle force"> muscle force</a> </p> <a href="https://publications.waset.org/abstracts/88748/evaluation-of-joint-contact-forces-and-muscle-forces-in-the-subjects-with-non-specific-low-back-pain" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/88748.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">238</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1617</span> A Study on Reliability of Gender and Stature Determination by Odontometric and Craniofacial Anthropometric Parameters</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Churamani%20Pokhrel">Churamani Pokhrel</a>, <a href="https://publications.waset.org/abstracts/search?q=C.%20B.%20Jha"> C. B. Jha</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20R.%20Niraula"> S. R. Niraula</a>, <a href="https://publications.waset.org/abstracts/search?q=P.%20R.%20Pokharel"> P. R. Pokharel</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Human identification is one of the most challenging subjects that man has confronted. The determination of adult sex and stature are two of the four key factors (sex, stature, age, and race) in identification of an individual. Craniofacial and odontometric parameters are important tools for forensic anthropologists when it is not possible to apply advanced techniques for identification purposes. The present study provides anthropometric correlation of the parameters with stature and gender and also devises regression formulae for reconstruction of stature. A total of 312 Nepalese students with equal distribution of sex i.e., 156 male and 156 female students of age 18-35 years were taken for the study. Total of 10 parameters were measured (age, sex, stature, head circumference, head length, head breadth, facial height, bi-zygomatic width, mesio-distal canine width and inter-canine distance of both maxilla and mandible). Co-relation and regression analysis was done to find the association between the parameters. All parameters were found to be greater in males than females and each was found to be statistically significant. Out of total 312 samples, the best regressor for the determination of stature was head circumference and mandibular inter-canine width and that for gender was head circumference and right mandibular teeth. The accuracy of prediction was 83%. Regression equations and analysis generated from craniofacial and odontometric parameters can be a supplementary approach for the estimation of stature and gender when extremities are not available. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=craniofacial" title="craniofacial">craniofacial</a>, <a href="https://publications.waset.org/abstracts/search?q=gender" title=" gender"> gender</a>, <a href="https://publications.waset.org/abstracts/search?q=odontometric" title=" odontometric"> odontometric</a>, <a href="https://publications.waset.org/abstracts/search?q=stature" title=" stature"> stature</a> </p> <a href="https://publications.waset.org/abstracts/83118/a-study-on-reliability-of-gender-and-stature-determination-by-odontometric-and-craniofacial-anthropometric-parameters" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/83118.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">191</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1616</span> Comparing Effects of Supervised Exercise Therapy versus Home-Based Exercise Therapy on Low Back Pain Severity, Muscle Strength and Anthropometric Parameters in Patients with Nonspecific Chronic Low Back Pain</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Haleh%20Dadgostar">Haleh Dadgostar</a>, <a href="https://publications.waset.org/abstracts/search?q=Faramarz%20Akbari"> Faramarz Akbari</a>, <a href="https://publications.waset.org/abstracts/search?q=Hosien%20Vahid%20Tari"> Hosien Vahid Tari</a>, <a href="https://publications.waset.org/abstracts/search?q=Masoud%20Solaymani-Dodaran"> Masoud Solaymani-Dodaran</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohammad%20Razi"> Mohammad Razi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Introduction: There are a number of exercises-protocols have been applied to improve low back pain. We compared the effect of supervised exercise therapy and home-based exercise therapy among patients with nonspecific chronic low back pain. Methods: 70 patients with nonspecific chronic low back pain were randomly (using a random number generator, excel) divided into two groups to compare the effects of two types of exercise therapy. After a common educational session to learn how to live with low back pain as well as to use core training protocols to strengthen the muscles, the subjects were randomly assigned to follow supervised exercise therapy (n = 31) or home-based exercise therapy (n = 34) for 20 weeks. Results: Although both types of exercise programs resulted in reduced pain, this factor decreased more significantly in supervised exercise program. All scores of fitness improved significantly in supervised exercise group. But only knee extensor strength score was increased in the home base exercise group. Conclusion: Comparing between two types of exercise, supervised group exercise showed more effective than the other one. Reduction in low back pain severity and improvement in muscle flexibility and strength can be more achieved by using a 20-week supervised exercise program compared to the home-based exercise program in patients with nonspecific chronic low back pain. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=low%20back%20pain" title="low back pain">low back pain</a>, <a href="https://publications.waset.org/abstracts/search?q=anthropometric%20parameters" title=" anthropometric parameters"> anthropometric parameters</a>, <a href="https://publications.waset.org/abstracts/search?q=supervised%20exercise%20therapy" title=" supervised exercise therapy"> supervised exercise therapy</a>, <a href="https://publications.waset.org/abstracts/search?q=home-based%20exercise%20therapy" title=" home-based exercise therapy"> home-based exercise therapy</a> </p> <a href="https://publications.waset.org/abstracts/70357/comparing-effects-of-supervised-exercise-therapy-versus-home-based-exercise-therapy-on-low-back-pain-severity-muscle-strength-and-anthropometric-parameters-in-patients-with-nonspecific-chronic-low-back-pain" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/70357.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">329</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1615</span> Improvement of Cross Range Resolution in Through Wall Radar Imaging Using Bilateral Backprojection</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Rashmi%20Yadawad">Rashmi Yadawad</a>, <a href="https://publications.waset.org/abstracts/search?q=Disha%20Narayanan"> Disha Narayanan</a>, <a href="https://publications.waset.org/abstracts/search?q=Ravi%20Gautam"> Ravi Gautam</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Through Wall Radar Imaging is gaining increasing importance now a days in the field of Defense and one of the most important criteria that forms the basis for the image quality obtained is the Cross-Range resolution of the image. In this research paper, the Bilateral Back projection algorithm has been implemented for Through Wall Radar Imaging. The sole purpose is to enhance the resolution in the cross range direction of the obtained Back projection image. Synthetic Data is generated for two targets which are placed at various locations in a room of dimensions 8 m by 6m. Two algorithms namely, simple back projection and Bilateral Back projection have been implemented, images are obtained and the obtained images are compared. Numerical simulations have been coded in MATLAB and experimental results of the two algorithms have been shown. Based on the comparison between the two images, it can be clearly seen that the ringing effect and chess board effect have been heavily reduced in the bilaterally back projected image and hence promising results are obtained giving a relatively sharper image with relatively well defined edges. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=through%20wall%20radar%20imaging" title="through wall radar imaging">through wall radar imaging</a>, <a href="https://publications.waset.org/abstracts/search?q=bilateral%20back%20projection" title=" bilateral back projection"> bilateral back projection</a>, <a href="https://publications.waset.org/abstracts/search?q=cross%20range%20resolution" title=" cross range resolution"> cross range resolution</a>, <a href="https://publications.waset.org/abstracts/search?q=synthetic%20data" title=" synthetic data "> synthetic data </a> </p> <a href="https://publications.waset.org/abstracts/14369/improvement-of-cross-range-resolution-in-through-wall-radar-imaging-using-bilateral-backprojection" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/14369.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">347</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1614</span> Disability and Quality of Life in Low Back Pain: A Cross-Sectional Study </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Zarina%20Zahari">Zarina Zahari</a>, <a href="https://publications.waset.org/abstracts/search?q=Maria%20Justine"> Maria Justine</a>, <a href="https://publications.waset.org/abstracts/search?q=Kamaria%20Kamaruddin"> Kamaria Kamaruddin</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Low back pain (LBP) is a major musculoskeletal problem in global population. This study aimed to examine the relationship between pain, disability and quality of life in patients with non-specific low back pain (LBP). One hundred LBP participants were recruited in this cross-sectional study (mean age = 42.23±11.34 years old). Pain was measured using Numerical Rating Scale (11-point). Disability was assessed using the revised Oswestry low back pain disability questionnaire (ODQ) and quality of life (QoL) was evaluated using the SF-36 v2. Majority of participants (58%) presented with moderate pain and 49% experienced severe disability. Thus, the pain and disability were found significant with negative correlation (r= -0.712, p<0.05). The pain and QoL also showed significant and positive correlation with both Physical Health Component Summary (PHCS) (r= .840, p<0.05) and Mental Health Component Summary (MHCS) (r= 0.446, p<0.05). Regression analysis indicated that pain emerged as an indicator of both disability and QoL (PHCS and MHCS) accounting for 51%, 71% and 21% of the variances respectively. This indicates that pain is an important factor in predicting disability and QoL in LBP sufferers. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=disability" title="disability">disability</a>, <a href="https://publications.waset.org/abstracts/search?q=low%20back%20pain" title=" low back pain"> low back pain</a>, <a href="https://publications.waset.org/abstracts/search?q=pain" title=" pain"> pain</a>, <a href="https://publications.waset.org/abstracts/search?q=quality%20of%20life" title=" quality of life "> quality of life </a> </p> <a href="https://publications.waset.org/abstracts/11696/disability-and-quality-of-life-in-low-back-pain-a-cross-sectional-study" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/11696.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">533</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1613</span> Socio-Demographic and Work Related Variables as Predictor of Persistence of Back Pain and Disability among Civil Servants Receiving Physiotherapy in Tertiary Health Institutions in Kano State, Nigeria</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Abdullah%20Abdulsalam">Abdullah Abdulsalam</a>, <a href="https://publications.waset.org/abstracts/search?q=Adamu%20Balami"> Adamu Balami</a>, <a href="https://publications.waset.org/abstracts/search?q=Olajide%20Olubanji%20Olowe"> Olajide Olubanji Olowe</a>, <a href="https://publications.waset.org/abstracts/search?q=Maryam%20Abdu%20Abdulkadir"> Maryam Abdu Abdulkadir</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The development and persistence of low back pain may be influenced by several factors which include lifestyle factors, previous pain symptoms, psychological factors, workplace factors as well as socio-demographic variables. The focus of this study was to determine the socio-demographic and work related variables as a predictor of persistence of back pain and disability among civil servants receiving physiotherapy in tertiary health institutions in Kano, Nigeria. One hundred and twenty nine newly referred low back pain patients for physiotherapy participated in the study. This study was a cross sectional study involving patients that were newly diagnosed of back pain, referred and received physiotherapy. The convenience sampling technique was used to select the patients based on the inclusion criteria. The data obtained was analysed using simple percentage and multiple regression for stated hypothesis at 0.05 level of significance. The findings reveal that all the variables are not significant predictor of persistence of back pain and disability. The study recommended that determinants of low back pain recovery by clinician should include other clinical factors not only reduction in pain intensity. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=socio-demographic" title="socio-demographic">socio-demographic</a>, <a href="https://publications.waset.org/abstracts/search?q=work%20related%20variables" title=" work related variables"> work related variables</a>, <a href="https://publications.waset.org/abstracts/search?q=Kano%20state" title=" Kano state"> Kano state</a>, <a href="https://publications.waset.org/abstracts/search?q=back%20pain%20and%20disability" title=" back pain and disability"> back pain and disability</a> </p> <a href="https://publications.waset.org/abstracts/69955/socio-demographic-and-work-related-variables-as-predictor-of-persistence-of-back-pain-and-disability-among-civil-servants-receiving-physiotherapy-in-tertiary-health-institutions-in-kano-state-nigeria" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/69955.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">302</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1612</span> Optimization of Process Parameters Affecting on Spring-Back in V-Bending Process for High Strength Low Alloy Steel HSLA 420 Using FEA (HyperForm) and Taguchi Technique</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Navajyoti%20Panda">Navajyoti Panda</a>, <a href="https://publications.waset.org/abstracts/search?q=R.%20S.%20Pawar"> R. S. Pawar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this study, process parameters like punch angle, die opening, grain direction, and pre-bend condition of the strip for deep draw of high strength low alloy steel HSLA 420 are investigated. The finite element method (FEM) in association with the Taguchi and the analysis of variance (ANOVA) techniques are carried out to investigate the degree of importance of process parameters in V-bending process for HSLA 420&ST12 grade material. From results, it is observed that punch angle had a major influence on the spring-back. Die opening also showed very significant role on spring back. On the other hand, it is revealed that grain direction had the least impact on spring back; however, if strip from flat sheet is taken, then it is less prone to spring back as compared to the strip from sheet metal coil. HyperForm software is used for FEM simulation and experiments are designed using Taguchi method. Percentage contribution of the parameters is obtained through the ANOVA techniques. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=bending" title="bending">bending</a>, <a href="https://publications.waset.org/abstracts/search?q=spring-back" title=" spring-back"> spring-back</a>, <a href="https://publications.waset.org/abstracts/search?q=v-bending" title=" v-bending"> v-bending</a>, <a href="https://publications.waset.org/abstracts/search?q=FEM" title=" FEM"> FEM</a>, <a href="https://publications.waset.org/abstracts/search?q=Taguchi" title=" Taguchi"> Taguchi</a>, <a href="https://publications.waset.org/abstracts/search?q=HSLA%20420%20and%20St12%20materials" title=" HSLA 420 and St12 materials"> HSLA 420 and St12 materials</a>, <a href="https://publications.waset.org/abstracts/search?q=HyperForm" title=" HyperForm"> HyperForm</a>, <a href="https://publications.waset.org/abstracts/search?q=profile%20projector" title=" profile projector"> profile projector</a> </p> <a href="https://publications.waset.org/abstracts/82474/optimization-of-process-parameters-affecting-on-spring-back-in-v-bending-process-for-high-strength-low-alloy-steel-hsla-420-using-fea-hyperform-and-taguchi-technique" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/82474.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">189</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1611</span> Physical and Psychosocial Risk Factors Associated with Occupational Lower Back/Neck Pain among Industrial Workers</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ghorbanali%20Mohammadi">Ghorbanali Mohammadi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Background: The objectives of this study were the association between physical and psychological risk factors for occupational lower back and neck pain among industrial workers. Methods: We conducted a cross-sectional study among 400 male workers of an industrial company over the previous 7days and 12 months. Data were collected using Nordic and third version of COPSOO questionnaires and QEC method for assessment of postures during the work. Results: The prevalence of LB and NP in the last 12 months is 58% and 52% respectively. The relationship between risk factors and low back/ neck pain in the last 12 months were cognitive demands (OR 995% CI 1.65) and (OR 995% CI 1.75); Influence at work (OR 995% CI 2.21) and (OR 995% CI 1.85); quality of leadership (OR 995% CI 2.42) and (OR 995% CI 2.09) was strongly correlated with complaints of low back and neck pains. Conclusion: Data of this study showed a higher prevalence of LBP and NP in the subjects. The results revealed that workers with work experience of more than 12 yrs. and who work more than 8 hrs. days with smoking habits had more probability to develop both LBP and NP. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=low%20back%20pain" title="low back pain">low back pain</a>, <a href="https://publications.waset.org/abstracts/search?q=neck%20pain" title=" neck pain"> neck pain</a>, <a href="https://publications.waset.org/abstracts/search?q=physical%20risk%20factors" title=" physical risk factors"> physical risk factors</a>, <a href="https://publications.waset.org/abstracts/search?q=psychological%20risk%20factors" title=" psychological risk factors"> psychological risk factors</a>, <a href="https://publications.waset.org/abstracts/search?q=QEC" title=" QEC"> QEC</a>, <a href="https://publications.waset.org/abstracts/search?q=COPSOQ%20III" title=" COPSOQ III"> COPSOQ III</a> </p> <a href="https://publications.waset.org/abstracts/151155/physical-and-psychosocial-risk-factors-associated-with-occupational-lower-backneck-pain-among-industrial-workers" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/151155.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">91</span> </span> </div> </div> <ul class="pagination"> <li class="page-item disabled"><span class="page-link">&lsaquo;</span></li> <li class="page-item active"><span class="page-link">1</span></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=mandibular%20set%20back&page=2">2</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=mandibular%20set%20back&page=3">3</a></li> <li class="page-item"><a class="page-link" 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