自酸蚀粘结剂不同涂布方式对乳牙粘接强度的影响

›› 2018, Vol. 38 ›› Issue (8): 690-693.

自酸蚀粘结剂不同涂布方式对乳牙粘接强度的影响

于易秀¹,朱颐馨²,郭桂莲³,陈福扬⁴,刘英群¹

1. 哈尔滨医科大学
2. 哈尔滨医科大学附属第一医院
3. 哈尔滨医科大学附属口腔医院
4. 黑龙江省哈尔滨市医科大学附属第二医院

收稿日期:2017-12-08 修回日期:2018-01-26 出版日期:2018-08-28 发布日期:2018-08-20
通讯作者: 刘英群 E-mail:lyq3311@163.com

Effect of different coating methods on adhesive strength of deciduous teeth by self etching binder

Received:2017-12-08 Revised:2018-01-26 Online:2018-08-28 Published:2018-08-20

摘要/Abstract

摘要： ［摘要］目的:比较自酸蚀粘结剂三种不同涂布方式对乳牙牙本质微拉伸强度的影响。方法: 选取30颗离体乳磨牙，分为2组（AE组和XV组）,根据不同涂布方式分为6个亚组，暴露牙本质，用Z350 树脂充填，制备成横截面积为1.0mm2的微拉伸试件，进行微拉伸强度测试，试件断裂面的形态在透射电镜（SEM）下观察。结果:本实验中，AE2组测得的微拉伸强度最大，与其他组比较比较，有统计学意义（P＜0.05）。连续涂布两次获得微拉伸强度比其他两种方式获得微拉伸强度高，且有统计学意义（P＜0.05）。扫描电镜下观察，断裂类型大部分呈牙本质-树脂界面破坏和混合破坏。结论:该实验中，乳牙进行树脂充填时，Adper TM Easy One连续涂布两次固化一次的涂布方式产生的粘接强度好，可在临床推广。

关键词: ［关键词]自酸蚀粘结剂, 涂布方式, 微拉伸强度, 扫描电镜

Abstract: Abstract:Objective:The effects of three different coating methods on the microtensile strength of the dentine dentin were compared.Methods: We selected 30 primary molars, divided into 2 groups (group AE and group XV), according to the different coating methods were divided into 6 subgroups, exposed dentin, with Z350 resin filling, prepared for the cross-sectional area of 1.0mm2 micro tensile specimens subjected to micro tensile strength test specimen fracture surface in the form of transmission electron microscopy (SEM) observation.Results:TIn this experiment, AE2 was measured by micro tensile strength, compared with the other groups, with statistical significance (P < 0.05). The continuous coating two times to obtain micro tensile strength obtained high tensile strength than the other two methods, and the difference was statistically significant (P < 0.05). Scanning electron microscope observation. Most of the type of fracture is the dentin resin interface failure and mixed failure.Conclusions：In this experiment, the adhesive strength of the Adper TM Easy One coating for two consecutive times is good when the resin filling is filled with resin, and it can be popularized in clinical practice.

Key words: Key words：self etching adhesive, coating method, microtensile strength, scanning electron microscope.

中图分类号:

R781.05

于易秀朱颐馨郭桂莲陈福扬刘英群. 自酸蚀粘结剂不同涂布方式对乳牙粘接强度的影响[J]. , 2018, 38(8): 690-693.

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