Abstract
This study evaluated the effect of surface finishing methods on the average surface roughness of resin composites. Seven composites and two polishing systems were used. One hundred and twenty-six conical specimens of each material were prepared in stainless steel molds against a polyester strip. Forty-two of them remained intact and were used as controls. Each half of the remaining samples was polished with either diamond burs or diamond burs + aluminum oxide discs. The results showed no statistical difference in average surface roughness (Ra, microm) between the polyester strip and aluminum oxide discs (p > 0.05). However, finishing with diamond burs showed a statistically higher average roughness for all composites (p < 0.05). Statistical differences were detected among materials (p < 0.05) in the use of diamond burs.
MeSH terms
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Aluminum Oxide / chemistry
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Analysis of Variance
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Bisphenol A-Glycidyl Methacrylate / chemistry
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Composite Resins / chemistry*
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Dental Polishing* / instrumentation
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Diamond / chemistry
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Humans
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Methacrylates / chemistry
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Polyesters / chemistry
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Polyethylene Glycols / chemistry
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Polymethacrylic Acids / chemistry
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Polyurethanes / chemistry
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Siloxanes / chemistry
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Stainless Steel / chemistry
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Statistics as Topic
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Surface Properties
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Terpenes / chemistry
Substances
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Alert composite resin
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Composite Resins
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Definite composite resin
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Filtek Z250
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Methacrylates
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Polyesters
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Polymethacrylic Acids
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Polyurethanes
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Siloxanes
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Solitaire composite resin
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SureFil packable composite
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Terpenes
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urethane dimethacrylate luting resin
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Stainless Steel
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triethylene glycol dimethacrylate
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2,2-bis-(4-(2-methacryloxyethoxy)phenyl)propane
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Polyethylene Glycols
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Bisphenol A-Glycidyl Methacrylate
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Diamond
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Aluminum Oxide