ArticleEuropean journal of dentistry2026
Comparison of Surface Roughness of Zirconia Polished with Novel Silicon Carbide Polishing Paste and Diamond Polishing Paste.
Article in European journal of dentistry, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Objective: The aim of this study was to newly develop a silicon carbide polishing paste that was comparable to or more effective than diamond polishing paste for the final polishing step of zirconia. Materials and Methods: Fifty-two zirconia specimens were prepared, and polished with silicon carbide sandpaper to generate initial surface roughness. The surface roughness at baseline (Ra value) was measured by a profilometer and the specimens were randomly divided into six groups, which the first group ( Statistical Analysis: The differences in mean Ra values were analyzed using two-way repeated analysis of variance followed by least significant difference post hoc analysis. All tests were conducted at a significance level of 5% ( Results: Within each group, the mean Ra values significantly decreased with longer polishing time ( Conclusion: Polishing zirconia with a silicon carbide paste, silicon carbide:glycerin ratio of 2:1 by weight, for 120 seconds, yields the smoothest postpolished surface. Furthermore, the mean Ra value obtained with this paste is statistically comparable to that of the diamond paste. Thus, silicon carbide paste has the potential to be an efficient alternative to diamond paste for chairside polishing of zirconia.
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