GAP Australasian-Dentist-May June 2019

Category AustrAlAsiAn Dentist 51 Dr Sam Koh is a Melbourne-based dentist, graduating from The University of Melbourne with First Class Honours. As the principal dentist of Orions Dental Taylors Lakes, his special interests are in Cosmetic Dentistry and Orthodontics. Dr Koh has been awarded with a prestigious fellowship from the International Academy of DentoFacial Esthetics in New York, as well as a fellowship in orthodontics. He is the co-founder of the Young Dentist Hub, and a KOL for the One Visit Crown as well as several other dental companies. References 1. ruiz, J. l. (2017) supra-Gingival Minimally invasive Dentistry: A Healthier Approach to esthetic restorations. new York, new York: Wiley-Blackwell. 2. Milicich, G. (2017) the Compression Dome Concept – the restorative implications. Gen Dent. 65(5), 55-60. Minimal tooth preparation when preparing for aesthetic restorations has not only been shown to be better for the pulp 1 , but the compression dome concept after preparing a tooth in such a manner has also been shown to provide a strong coronal structure by forming a “stable peripheral bond in conjunction with a compressive design” 2 . Once reduction was achieved (Figure 7), a slightly longer buccal bevel down to the gingival margin was created (Figure 8), in order to achieve a better shade blend to the discoloured tooth, as well as provide more restorative space buccally in order to mask the discolouration. Figure 9 shows the McDonald Matrix Band and stretch Wedges placed. Figure 10 shows the OVC 3 in situ, with the majority of excess uncured material already removed. Once the OVC 3 was cured, the matrix band and wedges were removed. A greater buccal aesthetic was achieved by utilising the excess uncured OVC 3 material on the buccal aspect of the tooth, along with flowable resin composite to restore along the gingival margin. the buccal material was then cured, and the restoration finished and polished to give the final aesthetic result (Figures 11 & 12). in summary, the One Visit Crown offers a great treatment option to restore heavily-filled or broken-down posterior teeth. these teeth can often be in an aesthetic zone, or patients may have a high aesthetic demand. in these situations, slight modifications to the traditional OVC 3 direct technique can be utilised to achieve a greater aesthetic outcome. Both the cured, and uncured hybrid material are able toprovide the clinicianwitha predictable aesthetic result, even when attempting to mask notable discolouration as shown in this clinical case study. With a conservative preparation used wherever possible, the One Visit Crown can offer the clinician both a healthy and strong, yet aesthetic restorative solution for posterior teeth where indicated. u Figure 10 Figure 11 Figure 12 Figure 7 Figure 8 Figure 9 lInICal