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首页> 外文期刊>European Journal of Dentistry >Solvent Retention of Contemporary Commercial Dentin Bonding Agents in a Demineralized Dentin Matrix
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Solvent Retention of Contemporary Commercial Dentin Bonding Agents in a Demineralized Dentin Matrix

机译：脱矿牙本质基质中当代商业牙本质粘合剂的溶剂保留

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Objectives:Solvents are ingredients in dentin-bonding agents (DBAs) that are essential to obtain efficient adhesion to dentin under wet-technique bonding protocol. However, an excess of solvents can compromise bonding durability. This study aimed to assess the retention of solvents present in different DBAs after their application to a demineralized dentin matrix.Methods:Thirty-six specimens of bovine dentin were demineralized for 7 days in 0.5M EDTA and divided into six groups n=6 (Scotchbond primer, Adper Single Bond 2, Excite, AdheSE primer, Prime & Bond NT and Xeno III). These specimens were individually saturated by the systems for 5 min and then kept in vials protected against light exposure. Each specimen was measured using a digital balance and then measured at the following intervals 10, 20, 30 sec, 1, 2 and 5 min thereafter. Data were analyzed by two-way ANOVA and Tukey tests (alfa=.05).Results:There were significant differences evident in Excite, Prime & Bond NT at 2 and 5 min, respectively. There was no significant interaction between materials and time in all experimented time evaluated. The amount of solvent spontaneously evaporated was limited even in acetone-based specimens.Conclusions:After DBAs are applied, professionals may facilitate their evaporation, since spontaneous evaporation is limited.
机译：目标：溶剂是牙本质粘接剂（DBA）中的成分，对于在湿法粘接协议下获得对牙本质的有效粘接至关重要。但是，过量的溶剂会损害粘合耐久性。这项研究旨在评估将不同DBA应用于脱矿牙本质基质后存在于不同DBA中的溶剂的保留方法。方法：将36份牛牙本质样品在0.5M EDTA中脱矿7天，分为6组n = 6（Scotchbond底漆，Adper Single Bond 2，Excite，AdheSE底漆，Prime＆Bond NT和Xeno III）。将这些样品分别用系统饱和5分钟，然后保存在小瓶中，以防曝光。使用数字天平测量每个样品，然后在随后的10、20、30秒，1、2和5分钟的间隔内进行测量。通过双向方差分析和Tukey检验（alfa = .05）分析数据。结果：Excite，Prime和Bond NT分别在2分钟和5分钟时存在明显差异。在所有评估的实验时间内，材料和时间之间没有显着的相互作用。即使在丙酮基样品中，溶剂自发蒸发的量也受到限制。结论：应用DBA后，由于自发蒸发受到限制，专业人员可以促进其蒸发。

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