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UNSW and SDI revolutionise dental care with mercury-free solution | Powered by UNSW
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</li> <li> <a href="/our-impact">Impact</a> </li> <li> <a href="/our-impact/case-studies/SDI">UNSW and SDI revolutionise dental care with mercury-free solution</a> </li> </ul> </nav> </div> </div> </div> <div class="region region-header"> <div class="region-inner"> <div id="block-d8boxyexp-alt-page-header" class="block--entity-view block-content"> <div class="section-wrapper"> <section class="image-below type-project view-mode-header"> <div class="node-title"> <h1> UNSW and SDI revolutionise dental care with mercury-free solution </h1> </div> <div class="node-content view-mode-header"> </div> </section> </div> </div> </div> </div> </div> </div> <div class="region region-top"> <div class="region-inner"> <div id="block-d8boxyexp-alt-page-top" class="block--entity-view block-content"> <aside class="node-content view-mode-top"> </aside> </div> </div> </div> <aside class="navigation-bar-wrapper"> <div class="layout layout-navigation-bar" role="complementary"> <div 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media--type-image media--view-mode-large"> <div class="field field--name-field-media-image field--type-image field--label-hidden field-item"> <img src="/sites/default/files/styles/large/public/images/SDI%201-%20250px-wide.jpg?itok=-q08KNah" width="340" alt="SDI" loading="lazy"> </div> </div> </div> <h3>Organisation size</h3><p>Small-to-medium enterprise</p><h3>Project duration</h3><p>2019-2024</p><h3>Funding range</h3><p>$2M+</p><h3>Funding scheme</h3><p>Cooperative Research Centres (CRC) Project </p><h3>Academic collaboration</h3><p><a href="https://research.unsw.edu.au/people/professor-gangadhara-prusty">Prof. Gangadhara Prusty, UNSW Engineering</a></p><h3>Industry</h3><ul><li><a href="https://www.innovationcommunity.unsw.edu.au/industries/life-sciences-bioengineering-healthcare">Life Sciences, Bioengineering & Healthcare</a></li><li><a href="/industries/materials-manufacturing" data-entity-type="node" data-entity-uuid="5894430c-219d-4211-a0a3-113a394aaf91" data-entity-substitution="canonical">Materials & Manufacturing</a><br> </li></ul><h3>Service/solution</h3><ul><li><a href="/services-solutions" data-entity-type="node" data-entity-uuid="1f322f62-b8fb-4681-beb4-a1b40e39fe50" data-entity-substitution="canonical">Research and development</a></li><li><a href="/funding-opportunities" data-entity-type="node" data-entity-uuid="e6da6c28-c9ac-4b37-9b09-4541d6f31f89" data-entity-substitution="canonical">Access to funding</a></li><li><a href="/facilities-equipment" data-entity-type="node" data-entity-uuid="faea34b6-b6a8-4eb7-891c-f75916b1b464" data-entity-substitution="canonical">Access to facilities & equipment</a></li><li><a href="/services-solutions" data-entity-type="node" data-entity-uuid="1f322f62-b8fb-4681-beb4-a1b40e39fe50" data-entity-substitution="canonical">Student engagement</a></li><li><a href="https://www.innovationcommunity.unsw.edu.au/services-solutions"><span>Tech/IP licensing</span></a><span><o:p></o:p></span><br> </li></ul> </div> </div> </div> </div> </aside> </div> </div> </div> <article class="region region-content"> <div class="region-inner"> <section class="node-content view-mode-full"> <div class="node-image"> <div class="field field--name-field-image field--type-image field--label-hidden"> <img src="/sites/default/files/styles/huge/public/images/AdobeStock_327291327%20%28stock%20placeholder%29_1.jpeg?itok=pBThWbaH" /> </div> </div> <div class="field field--name-field-paragraphs-content field--type-entity-reference-revisions field--label-hidden field--paragraphs-region field-items"> <div class="field-item"> <div class="paragraph type-body-content section-style-standard background-default-hue foreground-default-hue grid-no-grow"> <div class="field field--name-field-body-text field--type-text-long field--label-hidden field-item"> <p>UNSW Sydney, in collaboration with SDI Limited (SDI), has successfully developed a dental composite filling material that is an alternative to amalgam dental fillings, marking a significant breakthrough in dental care. This partnership, led by Professor Gangadhara Prusty, was part of an ARC Linkage and CRC-P-funded project that set out to solve one of the industry's major challenges: offering an alternative to amalgam, which is being phased out worldwide. This product, known as Stela is now being sold around the world.<o:p></o:p></p><p><span style="font-family:Roboto;font-size:11.0pt;line-height:115%;">By leveraging UNSW鈥檚 cutting-edge research capabilities, SDI was able to fast-track the development and market launch of their new, high strength and easy to place dental restorative. Within months of the project鈥檚 completion in 2023, SDI launched Stela onto the market. The product has quickly gained international traction, with demand outpacing supply in key markets across Europe, Asia, and North America.</span></p> </div> </div> </div> <div class="field-item"> <div class="paragraph type-body-content section-style-standard background-default-hue foreground-default-hue grid-no-grow"> <div class="field field--name-field-body-text field--type-text-long field--label-hidden field-item"> <h2>Challenge</h2><p>Traditional amalgam dental fillings, while durable, are being phased out across the world due to requiring manufactured mercury. Governments and health organisations have pushed for safer alternatives, but developing a viable, effective replacement has been a significant challenge for the industry. Some alternatives have either been too weak, or too complicated to place. SDI, already a leader in dental materials, aimed to address this by working with UNSW to create a restorative product that delivers high strength, is easy to place and does not require any powered equipment.<o:p></o:p><o:p></o:p></p><blockquote><p>"We recognised that the dental industry was crying out for a solution that didn鈥檛 compromise the quality of the restoration, or the skill and location of the dentist. Partnering with UNSW gave us the research power to tackle this problem head-on and ensure our products lead innovation."<o:p></o:p><o:p></o:p><o:p></o:p></p></blockquote> </div> </div> </div> <div class="field-item"> <div class="paragraph type-body-content section-style-standard background-default-hue foreground-default-hue grid-no-grow"> <div class="field field--name-field-body-text field--type-text-long field--label-hidden field-item"> <h2>Solution</h2><p>The collaboration started with Professor Prusty and his team at UNSW Engineering, who were developing a formulation that could replace mercury in dental fillings. The team explored a range of biocompatible materials, conducting rigorous testing in UNSW鈥檚 world-class labs to ensure the new product maintained the mechanical properties necessary for long-lasting dental care.<o:p></o:p></p><p>After several prototypes and extensive clinical trials, the research team discovered a novel compound with the same durability as amalgam. With this breakthrough, SDI could commercialise the product rapidly, bringing it to the global market.<o:p></o:p></p><p>Solution highlights include: <o:p></o:p></p><ul style="list-style-type:disc;"><li style="margin-left:36.0pt;">Faster, stronger, and more efficient dental restorations<o:p></o:p></li><li style="margin-left:36.0pt;">Unlimited depth of cure (normally 2mm)<o:p></o:p></li><li style="margin-left:36.0pt;">No need for curing lights or other powered equipment (can be used in the field)<o:p></o:p></li><li style="margin-left:36.0pt;">2023 Australian Export Award in the International Health category<o:p></o:p></li><li style="margin-left:36.0pt;">2024 Innovation award from the Australian Dental Industry Association</li></ul><blockquote><p>"Our work with SDI has proven that academic and industry collaborations can result in real-world positive and commercial success. We鈥檙e incredibly proud to have played a role in addressing such a critical challenge in dental health."<o:p></o:p></p><p><strong>Professor Gangadhara Prusty, UNSW Engineering</strong><o:p></o:p></p></blockquote> </div> </div> </div> <div class="field-item"> <div class="paragraph type-body-content section-style-standard background-default-hue foreground-default-hue grid-no-grow"> <div class="field field--name-field-body-text field--type-text-long field--label-hidden field-item"> <h2>Impact</h2><p><span style="font-style:normal;">SDI鈥檚 new line of dental restoration products has gained widespread international adoption, with major dental organisations endorsing it as an alternative to amalgam. This momentum has enhanced as countries shift toward amalgam-free dental care. The product's success has accelerated SDI鈥檚 growth, prompting expansion of its production facilities to meet global demand. The collaboration with UNSW has solidified SDI鈥檚 leadership in dental materials innovation, with plans to launch further products in the pipeline.<o:p></o:p></span></p><ul style="list-style-type:disc;"><li style="margin-left:36.0pt;"><span style="font-style:normal;"><strong>Economic</strong>: Boosted economic activity, job creation, and export revenues, enhanced SDI's manufacturing capabilities, and opened strategic partnership opportunities.<o:p></o:p></span></li><li style="margin-left:36.0pt;"><span style="font-style:normal;"><strong>Environmental:</strong> Reduced environmental impact by preventing mercury leakage.<o:p></o:p></span></li><li style="margin-left:36.0pt;"><span style="font-style:normal;"><strong>Social</strong>: Improved patient outcomes with safer dental restoration products.<o:p></o:p></span></li></ul><blockquote><p>"The launch of our new product line is just the beginning. This collaboration has opened doors to new possibilities for SDI, and we look forward to continuing our work with UNSW to drive further dental health advancements."<o:p></o:p><strong> </strong></p></blockquote> </div> </div> </div> </div> </section> </div> </article> </div> </div> <div class="region region-bottom"> <div class="region-inner"> <div id="block-d8boxyexp-alt-page-bottom" class="block--entity-view block-content"> <aside class="node-content view-mode-bottom"> </aside> </div> </div> </div> </main> <footer class="layout layout-footer" role="contentinfo"> <div class="region region-footer"> <div class="region-inner"> <div id="block-hubspottag" class="block--block-content block-content"> <div class="field field--name-unfiltered-html-content field--type-text-long field--label-hidden field-item"><!-- Start of HubSpot Embed Code --> <script type="text/javascript" id="hs-script-loader" async defer src="//js.hs-scripts.com/24076421.js"></script> <!-- End of HubSpot Embed Code --></div> </div> </div> </div> <div id="unsw-global-footer"></div> </footer> </div> </div> <script>window.dataLayer = window.dataLayer || []; window.dataLayer.push({"":"Powered by UNSW","userUid":0});</script> <script type="application/json" data-drupal-selector="drupal-settings-json">{"path":{"baseUrl":"\/","pathPrefix":"","currentPath":"node\/162","currentPathIsAdmin":false,"isFront":false,"currentLanguage":"en"},"pluralDelimiter":"\u0003","suppressDeprecationErrors":true,"ajaxPageState":{"libraries":"eJx1UFuSxCAIvJATf_c2FipRaohYilPx9ptMZXf2-UV3A00XQVial91GXGGwmnAJjgpTQfuDv_osEO03ZuLbAafTjBu6IGWlZCGKR1ebxBGUpPw55BvCvQoVvZ1G2K4p3KsDVptYPPBtFdH_el3nkS-ZCAoME5v1mOFB0rrBoqTT4ebxiAz1mQN3PRbuNrZRgZeLmpX0QbHbq35yKqSmJMeUsp4P-4JNhQapQc39w-6lLKPU4Zl6xmi6BAJ2G0YCd97r9re0PH9j-uyKm_XQ8R2mDKZB","theme":"d8boxyexp_alt","theme_token":null},"ajaxTrustedUrl":{"\/search":true},"colorbox":{"opacity":"0.85","current":"{current} of {total}","previous":"\u00ab Prev","next":"Next \u00bb","close":"Close","maxWidth":"98%","maxHeight":"98%","fixed":true,"mobiledetect":true,"mobiledevicewidth":"764px"},"dataLayer":{"defaultLang":"en","languages":{"en":{"id":"en","name":"English","direction":"ltr","weight":0}}},"fitvids":{"selectors":".field--name-field-body-text\r,.field--name-field-media-oembed-video","custom_vendors":"","ignore_selectors":""},"data":{"extlink":{"extTarget":true,"extTargetNoOverride":false,"extNofollow":true,"extNoreferrer":false,"extFollowNoOverride":false,"extClass":"ext","extLabel":"(link is external)","extImgClass":false,"extSubdomains":false,"extExclude":"(unsw-uds-d8\\.dd)","extInclude":"","extCssExclude":"","extCssExplicit":"","extAlert":false,"extAlertText":"This link will take you to an external web site. 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