三种牙本质粘结剂微拉伸粘结强度的比较

发布时间：2018-02-21 18:56

本文关键词： 全酸蚀粘结剂自酸蚀粘结剂微拉伸粘结强度湿粘结　出处：《牙体牙髓牙周病学杂志》2014年05期 　论文类型：期刊论文

【摘要】：目的:通过微拉伸粘结强度检测法,比较3种不同的牙本质粘结剂Single Bond 2、SE Bond和Easy One的粘结强度,为临床应用提供参考。方法:选用30个新鲜拔除的人磨牙,磨除牙合面釉质暴露牙本质,随机分为3组,每组10个牙,分别使用Single Bond 2、SE Bond、Easy One粘结剂,再用蓝色复合树脂充填5 mm高度。在流水下,用慢速锯垂直于粘结面制备成1.0 mm×1.0 mm横截面积的柱状试件,用微拉伸测试仪测试其微拉伸强度,用体视显微镜观察样本断裂类型,对微拉伸强度测试值和断裂类型进行统计学分析。结果:Single Bond 2组的微拉伸强度为(23.40±6.20)MPa,Easy One组为(16.25±4.42)MPa,SE Bond组(16.17±4.78)MPa。经方差分析,Single Bond 2组与另两组粘结剂微拉伸强度均有显著性差异(P0.05),而SE Bond组和Easy One组无显著性差异(P0.05)。结论:Single Bond 2粘结强度优于Easy One、SE Bond,3种粘结剂的粘结强度均可满足临床应用要求。
[Abstract]:Objective: through the micro tensile bond strength test, compare 3 different dentin adhesive Single Bond 2, SE Bond and Easy One bond strength, to provide reference for clinical application. Methods: a total of 30 freshly extracted human molars, removing the occlusal enamel exposed dentin, randomly divided into 3 groups 10 teeth in each group, respectively, using Single Bond 2, SE Bond, Easy One binder, and blue composite resin filling height of 5 mm. Under running water, perpendicular to the bonding surface preparation of column 1 mm * 1 mm cross-sectional area of the specimen with a slow speed saw the micro tensile tester and its test the micro tensile strength, fracture type with stereomicroscope observation samples, the statistical analysis on the micro tensile strength test and fracture types. Results: Single Bond 2 group micro tensile strength (23.40 + 6.20) MPa, Easy group One (16.25 + 4.42) MPa, SE Bond group (16.17 + 4.78) MPa. the analysis of variance, Singl The micro tensile strength of E Bond 2 group was significantly different from that of the other two groups (P0.05), while there was no significant difference between SE Bond group and Easy One group (P0.05). Conclusion: Single Bond 2 bonding strength is better than that of Easy, and the adhesive strength of 3 adhesives can meet the clinical application requirements.

【作者单位】：南京大学医学院附属口腔医院牙体牙髓科;
【基金】：江苏省领军人才与创新团队基金(Lj201110) 国家自然科学基金资助项目(81070839) 南京市医学科技发展重点项目(zkx10030)
【分类号】：R783.1

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