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  • Title: [Influence of different surface roughness on the wear performance of several commonly used dental materials].
    Author: Xu D, Xiang N, Wei B.
    Journal: Shanghai Kou Qiang Yi Xue; 2013 Jun; 22(3):270-3. PubMed ID: 23852054.
    Abstract:
    PURPOSE: To evaluate the influence of different surface roughness on the wear performance of several commonly used dental materials. METHODS: Different disc-shaped alloy specimens were selected to grind with enamel specimens. The loss of the standard enamel samples after each wear process were calculated with weight loss method. The data was statistically analyzed using SAS14.0 software package. RESULTS: The average grinding amount of wear standardized enamel samples were significantly different between 180-grit and 400-grit Ni-based alloy but not significantly different between 400-grit and 1200-grit Ni-based alloy. The average grinding amount of enamel samples with Co-Cr, Ni-Cr and titanium alloy of different roughness were significantly different. CONCLUSIONS: Surface roughness will affect the wear performances of nickel-chromium alloy and cobalt-chromium alloy hard, soft cobalt-chromium alloy and titanium alloy. Supported by Research Fund of Science and Technology Commission of Shanghai Municipality(08DZ2271100,12441903001).
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