Influence of Shearing Action of Food on Contact Stress and Subsequent Wear of Stress-bearing Composites
作者： P. Pallav , A.J. De Gee , A. Werner , C.L. Davidson
DOI: 10.1177/00220345930720010801
关键词: Contact mechanics 、 Composite material 、 Stress bearing 、 Shearing (physics) 、 Contact pressure 、 Composite number 、 Materials science
摘要: The influence of sliding action the antagonist on occlusal three-body wear composites and an amalgam was investigated in vitro by gradual change distance between opposing substrates. When decreased from 10 μm to approximately 3 μm, increased significantly a factor two three exclusively erosive nature. At slurry-film thickness 1 direct contacts protruding composite filler particles started occur. This consequently slowed wear. Ultimately, contact phenomena predominated, decreasing rate various materials different degrees. Loss material due subsurface fatigue could not be demonstrated with pressure 45 MPa at which experiments were performed. From this study, it can concluded that minor alterations food-film areas result considerable changes rates wear-rate ranking materials, ...
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