Oral Microflora and the Risk of Dental Caries in Portuguese Children

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style="font-size:.9rem">Oral Microflora and the Risk of Dental Caries in Portuguese Children</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sara%20Sousa">Sara Sousa</a>, <a href="https://publications.waset.org/abstracts/search?q=Veronique%20Gomes"> Veronique Gomes</a>, <a href="https://publications.waset.org/abstracts/search?q=N%C3%A9lio%20Veiga"> N茅lio Veiga</a>, <a href="https://publications.waset.org/abstracts/search?q=Maria%20Jos%C3%A9%20Correia"> Maria Jos茅 Correia</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Objectives: To assess the presence or absence of Streptococcus mutans, Streptococcus gordonii and Streptococcus salivarius in the oral biofilm of children in an elementary school of Viseu, Portugal, and verify the relationship between Streptococcus gordonii and Streptococcus salivarius and the absence of dental caries. Methods: A cross-sectional study was designed with a final sample of 40 children aged 6-11 years old. Oral examination was accomplished with the identification of their oral health status and oral biofilm collection. Analysis of biological samples by molecular techniques of DNA isolation and identification of three Streptococci bacteria by Polimerase Chain Reaction (PCR) was made. Results: We identified Streptococcus salivarius and Streptococcus gordoni only in the lower interincisal region. These species were also present mainly in the first permanent non-decayed molars. On the contrary, Streptococcus mutans was found mostly in decayed first permanent molars. Conclusion: This preliminary study establishes a possible association between the absence of dental caries and the presence of Streptococcus gordonii and Streptococcus salivarius. Since these two species are described as alkali producers, it is suggested that their presence somehow confers protection against caries. These results support new dental caries prevention strategies based on oral biofilm modulation by enrichment with alkalinogenic species. <iframe src="https://publications.waset.org/abstracts/61174.pdf" style="width:100%; height:400px;" frameborder="0"></iframe> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=dental%20caries" title="dental caries">dental caries</a>, <a href="https://publications.waset.org/abstracts/search?q=oral%20biofilm" title=" oral biofilm"> oral biofilm</a>, <a href="https://publications.waset.org/abstracts/search?q=Streptococcus%20gordonii" title=" Streptococcus gordonii"> Streptococcus gordonii</a>, <a href="https://publications.waset.org/abstracts/search?q=Streptococcus%20salivarius" title=" Streptococcus salivarius"> Streptococcus salivarius</a> </p> <a href="https://publications.waset.org/abstracts/61174/oral-microflora-and-the-risk-of-dental-caries-in-portuguese-children" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/61174.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">294</span> </span> </div> </div> </div> </main> <footer> <div id="infolinks" class="pt-3 pb-2"> <div class="container"> <div style="background-color:#f5f5f5;" class="p-3"> <div class="row"> <div class="col-md-2"> <ul class="list-unstyled"> About <li><a href="https://waset.org/page/support">About Us</a></li> <li><a href="https://waset.org/page/support#legal-information">Legal</a></li> <li><a target="_blank" rel="nofollow" href="https://publications.waset.org/static/files/WASET-16th-foundational-anniversary.pdf">WASET celebrates its 16th foundational anniversary</a></li> </ul> </div> <div class="col-md-2"> <ul class="list-unstyled"> Account <li><a href="https://waset.org/profile">My Account</a></li> </ul> </div> <div class="col-md-2"> <ul 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Oral Microflora and the Risk of Dental Caries in Portuguese Children