Chemical cleaning agents and bonding to glass-fiber posts

被引：9
|
作者：
Rodrigues Goncalves, Ana Paula [1 ]
Ogliari, Aline de Oliveira [1 ]
Jardim, Patricia dos Santos [1 ]
de Moraes, Rafael Ratto [1 ]
机构：
[1] Univ Fed Pelotas, Sch Dent, Pelotas, RS, Brazil
来源：
BRAZILIAN ORAL RESEARCH | 2013年 / 27卷 / 01期
关键词：
Acids; Post and Core Technique; Resin Cements; Shear Strength; Solvents; SURFACE TREATMENTS; COMPOSITE RESIN; STRENGTH; QUARTZ;
D O I：
10.1590/S1806-83242013000100012
中图分类号：
R78 [口腔科学];
学科分类号：
1003 ;
摘要：
The influence of chemical cleaning agents on the bond strength between resin cement and glass-fiber posts was investigated. The treatments included 10% hydrofluoric acid, 35% phosphoric acid, 50% hydrogen peroxide, acetone, dichloromethane, ethanol, isopropanol, and tetrahydrofuran. Flat glass-fiber epoxy substrates were exposed to the cleaners for 60 s. Resin cement cylinders were formed on the surfaces and tested in shear. All treatments provided increased bond strength compared to untreated control specimens. All failures were interfacial. Although all agents improved the bond strength, dichloromethane and isopropanol were particularly effective.
引用
收藏
页码：70 / 72
页数：3
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