A Clinical Trial of Empress II Porcelain Inlays Luted to Vital Teeth with a Dual-curing Adhesive System and a Self-curing Resin Cement

Fabianelli, Andrea; Goracci, Cecilia; Bertelli, Egidio; Davidson, Carel L.; Ferrari, Marco
November 2006
Journal of Adhesive Dentistry;2006, Vol. 8 Issue 6, p427
Academic Journal
Purpose: The aim of the study was to clinically evaluate Empress II inlays cemented with a dual-curing bonding agent and a self-curing luting system. Materials and Methods: Forty patients were selected to receive one Empress II inlay. Empress II is a heat-pressed glass ceramic containing lithium disilicate and lithium orthophosphate crystals, purported to provide higher stress resistance and improved strength. The restorations were placed between March and May 2000. Recalls were performed after 6, 12, 24, and 36 months. At the 3-year recall, 7 patients were lost to follow-up. Inlays were evaluated for postoperative sensitivity, marginal integrity, marginal leakage, color stability, surface staining, retention, and surface crazing (microcracks). Results: At the 3-year recall, all the restorations were in place and only one showed postoperative sensitivity (at the first recall, 1 week after placement). Only 3 inlays showed slight marginal staining, and 4 inlays showed gaps, with little surface staining or microcracks. Conclusions: No inlay debonded or fractured during the observation period. All the evaluated inlays were in place and acceptable.


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