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4 INDUSTRY Dental Tribune Middle East & Africa Edition | 2/2018 3M™ RelyX™ Ultimate Adhesive Resin Cement – Posterior Crown A case study by Dr Carlos Eduardo Sabrosa, DDS, MSD, DScD featuring 3M™ RelyX™ Ultimate Adhesive Resin Cement. Fig. 1: Initial Situation with a molar tooth in need of endodontic treatment and subsequent crown place- ment. Fig. 2: Tooth preparation after post placement and core build up with a low shrink composite. Retrac- tion in place. Impression with polyether impression materials. Fig. 3: Temporization with 3M™ Protemp™ 4 Temporization Material. Fig. 4: Fabrication of Lithium disilicate crown (IPS e.max® CAD). Fig. 5: Tooth preparation after removal of the tem- porary restoration and mechanical cleaning of the tooth (e.g. pumice paste). Note the healthy gingiva. Fig. 6: Tooth preparation after rubber dam placement for isolation. Fig. 7: Apply 3M™ Single Bond Universal Adhesive to the bonding surface rubbing it in for 20 seconds. Fig. 8: Gently air thin adhesive with oil-free air for fi ve seconds until the solvent is evaporated and no more ripples are observed. Fig. 9: Etch the crown with hydrofl uoric acid after try in and rinse with water. Air dry with oil-free air. Fig. 10: Apply 3M™ Single Bond Universal Adhesive to the bonding surface and rub it in for 20 seconds. Air thin with oil-free air for 5 seconds until the solvent is evaporated and no more ripples are observed. Avoid pooling. Fig. 11: Dispense 3M™ RelyX™ Ultimate Adhesive Resin Cement directly into the crown. Firmly seat the crown under fi nger pressure. Fig. 12: Tack cure for 1-2 seconds.(!) Tip: Do not exceed recommended tack cure time, otherwise clean-up will be diffi cult. For a controlled time, use 3M™ Elipar™ S10 LED Curing Light or 3M™ Elipar™ DeepCure-S LED Curing Light tack curing function. Fig. 13: Remove excess cement with a scaler. (!)Tip: Hold the crown in place. Fig. 14: Light cure for 20 seconds per surface. Finish and polish as needed. Fig. 15: Immediate fi nal clinical situation. Fig. 16: Beautifully healed gingiva after three months. 3M, Elipar, Protemp and RelyX are trademarks of 3M or 3M Deutschland GmbH. Used under license in Canada. All other trade- marks are owned by other companies. © 3M 2018. All rights reserved. Dr Sabrosa has received an honorari- um from 3M Oral Care. Dr Carlos Eduardo Sabrosa, Brazil Dr Sabrosa is an Associate Professor at the State University of Rio de Janeiro Dental School. He received his DDS in 1992 from the State University of Rio de Janeiro Dental School and the Clinical Advanced Graduate Studies (CAGS) in Prosthodontics from Boston University Goldman School of Dental Medicine in 1996. He earned the Steven Gordon Research/Clinical Award in 1995 and 1996 and the Tylman Research Grant Award in 1993 from the American College of Prosthodontics. Dr Sabrosa also received his MSD and DScD in Prosthodontics/Biomaterials from Boston University Goldman School of Dental Medicine in 1997 and 1999 consecutively. He has a private practice, focused in Oral Rehabilitation and Implantology, in Leblon, Rio de Janeiro, Brazil. 3M Oral Care at AEEDC, Dubai, 2018 By 3M On 6-8th of February 3M Oral Care took part in AEEDC 2018 and wel- comed visitors from different coun- tries at the booth to share the most up-to-date scientifi c information and 3M procedure solutions for den- tal and orthodontic professionals. Several Procedure Areas dedicated to Dental and Ortho products were designed to demonstrate the most unique features of 3M products to the visitors. The Direct Procedure area was equipped with MARC® patient simu- lator allowing to provide the real- time analytical feedback for 3M™ Elipar™ DeepCure S curing light per- formance with the combination of Filtek™ Z350XT Universal nanocom- posite or Filtek™ Bulk Fill Posterior restorative. The Indirect Procedure area was dedicated to 3M dental cements which dental professionals around the world have relied on for nearly 50 years. And as a visualization of the outstanding performance, 3M™ RelyX™ U200 Self-Adhesive Resin Cement, the world’s most clinically proven self-adhesive resin cement, was selected to demonstrate the bond strength to zirconia using spe- cial device with the weight exceed- ing 20 kg – with no failure in 3 con- secutive days! In the Orthodontic procedure area Clarity™ Advanced ceramic brackets, Victory™ series metal brackets com- plemented with APC™ Flash-Free adhesive coated appliance solutions, which altogether allow to grow or- thodontic practice with esthetics and effi ciency, were demonstrated. In the Educational Area doctors could test various dental and or- thodontic products and during the live product demonstrations, which were carried by 3M Scientifi c Affairs and Educational Manager Dr Rasha Ahmed, they had chance to learn more about the peculiarities of ce- mentation, impressioning and direct procedures. And at the Interactive photo shooting area visitors enjoyed taking live photos which were instantly shared via email with the partici- pants. For more details please contact 3M Gulf at www.3MGulf.com/espe