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Influence of different polishing and aging periods on the surface roughness of composite resins
Research, Society and Development
The aim of this study was to evaluate the influence of the polishing period on surface roughness (Ra) before and after thermal aging in four composite resins - CR (Durafill VS, Vittra APS, Filtek Z350XT and Spectra Smart). This in vitro study evaluated: (1) CR in 4 levels; (2) polishing period (PP) in three levels (immediate, 7 and 14 days) and (3) artificial aging in two levels: without aging and after 10,000 cycles. For this, 240 CR specimens were allocated into 12 groups (n=20) according todoi:10.33448/rsd-v10i4.14305 fatcat:nclzjgt7kbhq3kvfy6wazqevb4