Shear Bond Strengths and Morphological Evaluation of Filled and Unfilled Adhesive Interfaces to Enamel and Dentine
Shear Bond Strengths and Morphological Evaluation of Filled and Unfilled Adhesive Interfaces to Enamel and Dentine
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DOI：
10.1155/2012/858459
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发表时间：
2012-01-01
影响因子：
2.1
通讯作者：
Askari, Navid
中科院分区：
文献类型：
--
作者：
Mortazavi, Vajihesadat;Fathi, Mohammadhosein;Askari, Navid
在本实验室研究中，比较了三种填充型和一种未填充型粘结剂系统与牙釉质和牙本质的剪切粘结强度。选取48颗离体下颌磨牙，随机分为两组，每组24颗，分别进行牙釉质粘接和牙本质粘接。随机分配每颗牙齿的颊面和舌面，分别使用填充（Prime & Bond NT（PBNT）、Optibond Solo Plus（OBSP）和Clearfil SE Bond（CSEB））和未填充（Single Bond（SB））粘合剂系统（n = 12）。将通用树脂复合材料置于半透明塑料圆柱体（直径3mm，长度2mm）中，并抵靠牙釉质和牙本质表面放置，并聚合40秒。使用万能试验机测定剪切粘结强度，并使用双因素ANOVA、单因素ANOVA、t检验和Tukey HSD事后检验对结果进行统计学分析，显著性水平为5%。有没有统计学上的显着差异之间的粘接系统在釉质，但CSEB和SB表现出显着较高和较低的粘接强度牙本质，分别比其他测试的粘接系统，而PBNT和OBSP之间没有统计学上的显着差异。
In this laboratory study shear bond strengths of three filled and one unfilled adhesive systems to enamel and dentine were compared. Forty-eight extracted intact noncarious human mandibular molars were randomly assigned to two groups of 24 one for bonding to enamel and the other for bonding to dentine. Buccal and lingual surfaces of each tooth were randomly assigned for application of each one of filled (Prime & Bond NT (PBNT), Optibond Solo Plus (OBSP), and Clearfil SE Bond (CSEB)) and unfilled (Single Bond (SB)) adhesive systems (n = 12). A universal resin composite was placed into the translucent plastic cylinders (3mm in diameter and 2mm in length) and seated against the enamel and dentine surfaces and polymerized for 40 seconds. Shear bond strength was determined using a universal testing machine, and the results were statistically analyzed using two-way ANOVA, one-way ANOVA, t-test, and Tukey HSD post hoc test with a 5% level of significance. There were no statistically significant differences in bond strength between the adhesive systems in enamel, but CSEB and SB exhibited significantly higher and lower bond strength to dentine, respectively, than the other tested adhesive systems while there were no statistically significant differences between PBNT and OBSP.