Provisional restoration is used in fixed prosthodontics to enhance aesthetics and/or function for a limited period of time. It should be replaced by a definitive dental prosthesis. A Polyethyl Methacrylate (PEMA) and a Bis-acrylic resin were selected as test materials in this study. Specimens were divided into eight groups. The roughness of surface was verified in a Hommel Tester T1000 rugosimeter, before and after different techniques of finishing and polishing. Not all measurements were performed, so this study is not yet complete.
Finishing and polishing of acrylic resins used in provisional restorations
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