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- Title
Three-body wear of four types of light-activated composite resin veneering materials.
- Authors
Matsumura, Hideo; Leinfelder, Karl F.
- Abstract
The in vitro wear resistance of four types of light-activated composite resins designed for crown and bridge veneers was determined by means of a three-body wear-testing device. After repeated cycles of loading, the wear values were measured with a profilometer, and surface textures were observed through a scanning electron microscope. All of the composite resin veneering materials examined in this investigation exhibited greater wear resistance than an unfilled poly(methyl methacrylate)-based material. The worn surface of veneering materials demonstrated outlines of fillers; indicating the difference in wear resistance between die resin matrix and the filler.
- Subjects
DENTAL resins; SCANNING electron microscopes; POLYMETHYLMETHACRYLATE; DENTAL matrices; PARTICLES; DENTAL enamel
- Publication
Quintessence International, 1994, Vol 25, Issue 6, p425
- ISSN
0033-6572
- Publication type
Article