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Evaluation Of The Effect Of Two Polishing Techniques And Thermocycling Process On Surface Roughness, Hardness, And Color Stability Of Composites, Muhammet Fidan, Zeynep Dereli
Evaluation Of The Effect Of Two Polishing Techniques And Thermocycling Process On Surface Roughness, Hardness, And Color Stability Of Composites, Muhammet Fidan, Zeynep Dereli
Journal of Dentistry Indonesia
Objectives: The aim of this study was to evaluate the effect of two polishing techniques and 10.000 thermocycles on the color stability, surface roughness, and hardness of two nanohybrid (Tetric N-Ceram, Escom100) and one bulkfill (Filtek) resin composites. Methods: A total of 60 specimens were prepared using three resin composites and 20 discs from each composite. Specimens for each composite were randomly divided into two different polishing groups (Optrapol rubber and Sof-Lex discs) (n=10). Surface roughness (Ra, μm), microhardness (VHN), and color change (ΔE00) values were measured pre- and post-thermocycling. Two-way analysis of variance (ANOVA) was used to evaluate …