自酸蚀和酸蚀冲洗粘结剂的牙釉质-树脂粘结耐久性

Enamel-resin bond durability of self-etch and etch & rinse adhesives.

作者信息

Osorio Raquel, Monticelli Francesca, Moreira Mario A G, Osorio Estrella, Toledano Manuel

机构信息

Department of Dental Materials, Dental School, University of Granada, Colegio Máximo, Campus de Cartuja s/n 18017 Granada, Spain.

出版信息

Am J Dent. 2009 Dec;22(6):371-5.

PMID:20178215

Abstract

PURPOSE

To evaluate the degradation of resin-enamel interfaces bonded with different adhesive systems.

METHODS

Flat enamel surfaces were ground buccally on bovine incisors. Two etch & rinse self-priming adhesives (Single Bond, Prime & Bond NT), three two-step self-etch adhesives (Clearfil SE Bond, Resulcin Aquaprime, NRC/Prime & Bond NT) and two all-in-one adhesives (Etch & Prime 3.0, Adper Prompt-L-Pop) were used for bonding. A hybrid resin composite (Tetric Ceram) was selected for coronal build-up. Bonded specimens were stored in water at 37 degrees C for 24 hours, 6 months and 1 year, respectively, and then sectioned into 1 mm2 beams. Each microtensile stick was loaded in tension until failure (crosshead speed: 0.5 mm/minute). Bond strength data were analyzed with two-way ANOVA and Student Newman Keuls tests (P < 0.05). Etching patterns resulting from phosphoric acid etching and self-etch adhesives application on ground enamel were analyzed under SEM.

RESULTS

All adhesives attained similar bond strengths after 24 hours. All-in-one adhesives and Resulcin Aqua Prime recorded a significant reduction in bond strengths after 6 months and 1 year of water aging.

摘要

目的

评估用不同粘结系统粘结的树脂-牙釉质界面的降解情况。

方法

在牛切牙的颊侧磨平牙釉质表面。使用两种酸蚀冲洗自粘结底漆（Single Bond、Prime & Bond NT）、三种两步自酸蚀粘结剂（Clearfil SE Bond、Resulcin Aquaprime、NRC/Prime & Bond NT）和两种一步法粘结剂（Etch & Prime 3.0、Adper Prompt-L-Pop）进行粘结。选择一种复合树脂材料（Tetric Ceram）进行冠部修复。将粘结后的标本分别在37℃水中储存24小时、6个月和1年，然后切成1mm²的小梁。对每个微拉伸小梁施加拉伸载荷直至破坏（十字头速度：0.5mm/分钟）。用双向方差分析和Student Newman Keuls检验分析粘结强度数据（P < 0.05）。在扫描电子显微镜下分析磷酸酸蚀和自酸蚀粘结剂作用于磨平牙釉质表面后产生的蚀刻模式。