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Updated: Jun 8, 2026

Quasistatic Mechanical Testing for Computer-Aided Design and Manufacturing Occlusal Veneers Cemented to Milled Dentin Analog Material
Published on: December 20, 2024
Wear of enamel cusps opposed by posterior composite resin
1Department of Biomaterials and Restorative Dentistry, University of Alabama at Birmingham, School of Dentistry, 1919 7th Avenue South, Birmingham, Alabama 35294-0007, USA.
Abstract:
The use of posterior composite resins has grown considerably over the past 5 years. While most research efforts have been devoted to improving wear resistance, little effort had been made to determine possible wear of the cusp of the opposing tooth. A recently developed in vitro wear system was used to evaluate a series of composite resins for their ability to abrade opposing enamel cusps. When the resins were tested under the same conditions, a considerable range in enamel wear was observed. Representing opposite ends of the scale, the quartz-containing composite resin caused the enamel to wear away ten times more than did the microfilled composite resin.
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