Ebrahimi Shahram Farzin, Shadman Niloofar, Abrishami Arezoo
Department of Operative Dentistry, Kerman Oral and Dental Diseases Research Center, Faculty of Dentistry, Kerman University of Medical Sciences, Kerman, Iran.
J Conserv Dent. 2013 Mar;16(2):126-30. doi: 10.4103/0972-0707.108190.
This study investigated the effect of one hemostatic agent on the shear bond strength of self-etch and etch-and-rinse adhesive systems.
Sixty extracted third molars were selected. After preparing a flat surface of superficial dentin, they were randomly divided into six groups. Adhesives were Tetric N-Bond, AdheSE, and AdheSE One F. Before applying adhesives, surfaces were contaminated with ViscoStat for 60 s in three groups and rinsed. Then composite were attached to surfaces and light cured. After thermocycling, the bond strength was calculated and failure modes were determined by stereomicroscope. The data were analyzed by t-test and one-way ANOVA with P < 0.05 as the level of significance.
ViscoStat had significantly decreased the shear bond strength of AdheSE (P < 0.0001) to dentin. Modes of failures in all groups were mainly adhesive.
Contamination had an adverse effect on the shear bond strength of AdheSE and reduced it.
本研究调查了一种止血剂对自酸蚀和酸蚀冲洗粘结系统剪切粘结强度的影响。
选取60颗拔除的第三磨牙。在制备牙本质浅层平面后，将它们随机分为六组。粘结剂分别为Tetric N-Bond、AdheSE和AdheSE One F。在应用粘结剂之前，三组中的牙面用ViscoStat污染60秒后冲洗。然后将复合材料附着于牙面并光固化。热循环后，计算粘结强度并通过体视显微镜确定失效模式。数据采用t检验和单因素方差分析进行分析，以P < 0.05作为显著性水平。
ViscoStat显著降低了AdheSE与牙本质的剪切粘结强度（P < 0.0001）。所有组的失效模式主要为粘结性。
污染对AdheSE的剪切粘结强度有不利影响并使其降低。
