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Pubmed for Handhelds

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  • Title: Effect of abrasion medium on wear of stress-bearing composites and amalgam in vitro.
    Author: De Gee AJ, Pallav P, Davidson CL.
    Journal: J Dent Res; 1986 May; 65(5):654-8. PubMed ID: 3457819.
    Abstract:
    Measurements of in vitro wear for several composite materials and an amalgam were conducted using a new device in which contact stress, moving speed, mutual slip, and third-body composition could be set. This preliminary study reports the results obtained with a fixed choice of contact stress, speed, and slip, but with different third-body media. With a Millet-seed/PMMA-beads mixture as a medium, the various types of restoratives showed a wear pattern and relative ranking comparable with that reported in clinical studies.
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