Effects of attrition, prior acid-etching, and cyclic loading on the bond strength of a self-etching adhesive system to dentin

被引：3

作者：

Shinkai, Koichi ^{[1
]}

Ebihara, Takashi ^{[2
]}

Shirono, Manabu ^{[2
]}

Seki, Hideaki ^{[2
]}

Wakaki, Suguru ^{[2
]}

Suzuki, Masaya ^{[1
]}

Suzuki, Shiro ^{[3
]}

Katoh, Yoshiroh ^{[1
]}

机构：

[1] Nippon Dent Univ, Sch Life Dent Niigata, Dept Operat Dent, Chuo Ku, Niigata 9518580, Japan

[2] Nippon Dent Univ, Niigata Hosp, Div Comprehens Dent, Chuo Ku, Niigata 9518580, Japan

[3] Univ Alabama, Sch Dent, Dept Prosthodont, Birmingham, AL 35294 USA

来源：

DENTAL MATERIALS JOURNAL | 2009年 / 28卷 / 02期

关键词：

Attrition; Self-etching adhesive system; Microtensile bond strength; SCLEROTIC DENTIN; PRIMER; DEGRADATION; WEAR; SEM;

D O I：

10.4012/dmj.28.197

中图分类号：

R78 [口腔科学];

学科分类号：

1003 ;

摘要：

The purpose of this study was to evaluate the effects of dentin attrition, phosphoric acid etching, and cyclic loading on the microtensile bond strength (mu TBS) of a self-etching adhesive system to dentin. Flat dentin surfaces of human molars were assigned to eight experimental groups based on those with or without attrition, prior acid-etching, and cyclic loading. Resin composite paste was placed and polymerized after the bonding procedure according to manufacturer's instructions. The specimens were subjected to mu TBS testing at a crosshead speed of 0.5 mm/min. Results showed that the minimum mean value of mu TBS was 14.9 MPa in the group without attrition and acid-etching but with loading, while the maximum mean value of mu TBS was 40.0 MPa in the group without attrition and loading but with acid etching. Therefore, the value of mu TBS to dentin without attrition was significantly decreased by cyclic loading but that to dentin with attrition was not affected.

引用

页码：197 / 203

页数：7

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