Polish of interface areas between zirconia, silicate-ceramic, and composite with diamond-containing systems

The Journal of Advanced Prosthodontics
Philipp-Cornelius PottMichael Eisenburger

Abstract

Fractures, occlusal adjustments, or marginal corrections after removing excess composite cements result in rough surfaces of all-ceramic FPDs. These have to be polished to prevent damage of the surrounding tissues. The aim of this study was to evaluate the roughness of zirconia, silicate-ceramic, and composite after polish with different systems for intraoral use. Each set of 50 plates was made of zirconia, silicate-ceramic, and composite. All plates were ground automatically and were divided into 15 groups according to the treatment. Groups Zgrit, Sgrit, and Cgrit received no further treatment. Groups Zlab and Slab received glaze-baking, and group Clab was polished with a polishing device. In the experimental groups Zv, Sv, Cv, Zk, Sk, Ck, Zb, Sb, and Cb, the specimens were polished with ceramic-polishing systems "v", "k", and "b" for intraoral use. Roughness was measured using profilometry. Statistical analysis was performed with ANOVA and Scheffé-procedure with the level of significance set at P=.05. All systems reduced the roughness of zirconia, but the differences from the controls Zgrit and Zlab were not statistically significant (P>.907). Roughness of silicate ceramic was reduced only in group Sv, but it did not differ s...Continue Reading

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Citations

May 9, 2019·Journal of Prosthodontics : Official Journal of the American College of Prosthodontists·Khaled Q Al HamadBrian J Goodacre
Sep 2, 2020·Journal of Prosthodontics : Official Journal of the American College of Prosthodontists·Brian A BrodineDavid R Cagna

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Methods Mentioned

BETA
profiler

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SPSS Statistics
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