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Dental Tribune Middle East & Africa No. 5, 2017

4 INDUSTRY Dental Tribune Middle East & Africa Edition | 5/2017 Class II Amalgam Replacement By Dr. Robert Margeas, USA About the Case The patient presented with recurrent decay under an aging amalgam. Because of the presence of decay as well as the depth of the prep, Vitrebond™ Light Cure Glass Ionomer Liner/Base was chosen and applied to the deepest dentin. After application of the liner, the selective etch approach using Single Bond Universal Adhesive was chosen for its excel- lent seal on enamel margins while minimiz- ing the chance of post-operative sensitivity. Once the adhesive is cured, Filtek™ Bulk Fill Posterior Restorative was placed in a single increment up to 5mm. Post-operative photos taken two weeks after placement indicate a very pleasing result. Challenge A deep Class II restoration can be prone to post-operative sensitivity. Use of a liner/ base such as Vitrebond™ Liner/Base, as well as a self-etch bonding approach on dentin, combines two techniques for keeping post- operative sensitivity to a minimum. Once the bonding agent is in place, the bulk fi ll ap- proach allows for a fast, effi cient placement technique for posterior restorations. The 3M Difference 3M innovations such as Single Bond Univer- sal Adhesive, Filtek™ Bulk Fill Posterior Re- storative and Sof-Lex™ Spiral Finishing and Polishing Wheels* provide an effi cient and simple procedure while also reducing costly chair time. In cases where deep posterior res- torations are presented, Vitrebond™ Light Cure Glass Ionomer Liner/Base can reduce the risk of post-op sensitivity. Dr. Robert Margeas, DDS Dr. Robert Margeas currently serves as Adjunct Pro- fessor in the Department of Operative Dentistry at the University of Iowa College of Dentistry. He is also the Clinical Director and Instructor at the Center for Esthetic Excellence, Chicago, IL. Dr. Margeas has pub- lished numerous articles on esthetic dentistry and is a highly sought after international lecturer on the subject. His credentials include board certifi cation by the American Board of Operative Dentistry and he is a Fellow of the Academy of General Dentistry (AGD). Dr. Margeas is on the Editorial Board for Contempo- rary Esthetics and is a consultant in Oral Health mat- ters for the country of Canada. He maintains a very successful private practice, with a focus on compre- hensive esthetic restorative dentistry, in Des Moines, IA. Step by Sep Fig. 1: Pre-operative condition Fig. 2: After removal of failing amalgam Fig. 3: Use of micro air abrasion to clean the cavity preparation Fig. 4: Application of Vitrebond™ Light Cure Glass Ionomer Liner/Base Fig. 5: Etchant applied using the selective enamel etch technique Fig. 6: Application of Single Bond Universal Adhesive Fig. 7: Placement of Filtek™ Bulk Fill Posterior Restorative in a single incremen Fig. 8: Polishing with Sof-Lex™ Spiral Polishing Wheel (white)* Fig. 9: Immediately post-polishing; adjacent enamel is still desiccated Fig. 10: Final restoration, two weeks post-op *Replaced with the new Sof-Lex™ Diamond Polishing system consisting of two new wheels - pre-polishing spiral (beige) and diamond-impregnated polishing spiral (pink). Total versatility Uncompromising performance By 3M Simplifying the bonding step is no easy task . That’s why 3M developed 3M™ Single Bond Universal Adhe- sive. It’s a single-bottle solution that offers a simple one-step, one-coat, 35-second application—without compromising strength. Years of clinical evaluations have stacked the evidence. It can be used in all etch- ing techniques, including total-etch, self-etch and selective-etch; in both direct and indirect applications; and on all dental surfaces, without any extra primer—taking versatility to a whole new level. Virtually no post-operative sensitivity in total-etch or self-etch applications. Total number of total-etch restorations: 3,467 0.4% Percent of total-etch restorations with 3MTM Single Bond Universal Adhesive having post-op sensitivity Total number of self-etch restorations: 3,495 0.06% Percent of self-etch restorations with 3MTM Single Bond Universal Adhesive having post-op sensitivity Source: 3M internal data To learn more about 3M™ Single Bond Universal Adhesive please visit www.3mgulf.com/dental

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