Brazilian Dental Journal | |
Surface roughness of composite resins after finishing and polishing | |
Halim Nagem Filho2  Maria Tereza Fortes Soares D'azevedo1  Haline Drumond Nagem2  Fernanda Pátaro Marsola2  | |
[1] ,University of São Paulo School of Dentistry Bauru SP ,Brazil | |
关键词: composite resin; surface roughness; polishing; resina composta; rugosidade superficial; polimento; | |
DOI : 10.1590/S0103-64402003000100007 | |
来源: SciELO | |
【 摘 要 】
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, µm) 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.
【 授权许可】
CC BY
All the contents of this journal, except where otherwise noted, is licensed under a Creative Commons Attribution License
【 预 览 】
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RO202005130109205ZK.pdf | 23KB | download |