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Quintessence Publishing: Journals: QI
Quintessence International

Edited by Eli Eliav

ISSN 0033-6572 (print) • ISSN 1936-7163 (online)

June 1994
Volume 25 , Issue 6

Share Abstract:

Three-body wear of four types of light-activated composite resin veneering materials


Pages: 425-430
PMID: 7938432

The in vitro wear resistance of foru 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 microcscope. 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 the resin matrix and the filler.

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