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Evaluation of surface roughness of heat-polymerized denture base resin according to the polishing step
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 Title & Authors
Evaluation of surface roughness of heat-polymerized denture base resin according to the polishing step
Hwang, Seong-Sig; Im, Yong-Woon; Kim, Si-Chul; Han, Min-Soo;
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Purpose: The objective of this study was to compare the surface roughness according to polishing process in conventional laboratory techniques used for polishing three different acrylic denture base resins. Materials and methods: Specimen preparation and surface polishing procedures were conducted to manufacturer`s recommendation with three heat-polymerized denture base resins. Surface roughness and gloss were measured by a contact type tester and a LED gloss checker using thickness 2 mm and diameter 10 mm. There were five specimens for each acrylic resin material and polishing procedures. Mean average surface roughness (Ra) values of each specimen group were analyzed using a one-way ANOVA analysis of variance and Scheffe`s post hoc test. Surfaces after surface roughness and gloss testing according to each polishing process were evaluated under a stereoscopic microscope. Results: The highest mean average surface roughness was measured($Ra
Surface roughness;Heat-curing denture base resin;Polishing step;Gloss;Correlation;
 Cited by
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