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Pubmed for Handhelds

PUBMED FOR HANDHELDS

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  • Title: Three-body wear of four types of light-activated composite resin veneering materials.
    Author: Matsumura H, Leinfelder KF.
    Journal: Quintessence Int; 1994 Jun; 25(6):425-30. PubMed ID: 7938432.
    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 the resin matrix and the filler.
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