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首页> 外文期刊>Odontology >Influence of the final irrigation solution on the push-out bond strength of calcium silicate-based, epoxy resin-based and silicone-based endodontic sealers
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Influence of the final irrigation solution on the push-out bond strength of calcium silicate-based, epoxy resin-based and silicone-based endodontic sealers

机译：最终灌溉溶液对硅酸钙，环氧树脂基和硅氧烷基渗透性密封剂的推出键强度的影响

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摘要

The aim was to evaluate the influence of different irrigation solutions on the push-out bond strength (POBS) of three different sealers (AH Plus, BioRoot RCS, GuttaFlow2). Root canals of 180 single-rooted human teeth were instrumented with F360 up to size 45.04. All canals were irrigated with 5ml NaOCl 3% and 5ml EDTA 17%. The canals were finally irrigated with either 5ml NaOCl 3%, CHX 2%, EDTA 17%, citric acid 20% or NaCl 0.9% (n=36) with a contact time of 5min and obturated using matching gutta-percha cones according to the single-cone technique in combination with one of the sealers (n=12). After 8weeks of incubation, the roots were embedded in resin. Two slices of 1mm thickness were obtained representing the middle third of the root. Dislodgement resistance was measured and POBS was calculated. Specimens were examined under 4x magnification to determine the mode of bond failure. Statistical analysis was performed using two-way ANOVA and Student-Newman-Keuls test for POBS and Chi-square test for the mode of failure. POBS was significantly affected by the factor sealer (P 0.05). The POBS of AH Plus was positively influenced by EDTA and NaOCl. EDTA had a negative effect on the POBS of BioRoot RCS. The POBS of GuttaFlow2 was not influenced by the irrigation solutions.
机译：目的是评估不同灌溉解决方案对三种不同封闭剂的推出粘合强度（POB）的影响（AH Plus，Biorot RCS，Guttaflow2）。 180个单根人牙的根流量用F360仪表，高达45.04。用5ml NaoCl 3％和5ml EDTA 17％灌溉所有运河。最终用5ml NaOCl 3％，CHX 2％，EDTA 17％，柠檬酸20％或NaCl 0.9％（n = 36）灌溉运河，其接触时间为5min，并根据匹配的Gutta-Percha锥体闭合单锥技术与其中一个密封剂组合（n = 12）。 8周孵育后，将根部嵌入树脂中。获得了两片1mm厚度，代表根的中间三分之一。测量脱臼抗性，并计算溶液。在4倍倍率下检查标本以确定粘合衰竭的模式。使用双向ANOVA和学生-Newman-Keuls试验进行统计分析，用于对失败模式进行凹凸和Chi-Square测试。 POB受因素密封剂的显着影响（P 0.05）。 αHlus的棒极性受到EDTA和NaoCl的积极影响。 EDTA对BioroT RCS的剧烟产生了负面影响。 Guttaflow2的剧烟不会受到灌溉解决方案的影响。

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