不同预处理方法对龋齿牙本质微渗漏和粘结效果的影响

doi:10.19439/j.sjos.2021.06.005

上海口腔医学 ›› 2021, Vol. 30 ›› Issue (6): 585-588.doi: 10.19439/j.sjos.2021.06.005

不同预处理方法对龋齿牙本质微渗漏和粘结效果的影响

黄文青¹, 李羽², 杨健¹

1.江西省口腔生物医学重点实验室,南昌大学附属口腔医院牙体牙髓病科,2.口腔颌面外科,江西南昌 330006

收稿日期:2021-02-25 修回日期:2021-05-17 发布日期:2022-03-09
通讯作者: 杨健,E-mail：jianyang399@hotmail.com
作者简介:黄文青（1987-）,女,硕士,主治医师,E-mail：309019280@qq.com
基金资助:
江西省卫生健康委员会科技计划（202130528）

Effect of different pretreatment methods on dentin microleakage and bonding effect in caries

HUANG Wen-qing¹, LI Yu², YANG Jian¹

1. Department of Dentistry and Endodontics, 2. Department of Oral and Maxillofacial Surgery, Jiangxi Key Laboratory of Stomatology and Biomedicine, Affiliated Stomatological Hospital of Nanchang University. Nanchang 330006, Jiangxi Province, China

Received:2021-02-25 Revised:2021-05-17 Published:2022-03-09

摘要/Abstract

摘要： 目的: 观察不同预处理方法对龋齿牙本质微渗漏和粘结效果的影响,为临床应用提供依据。方法: 收集2020年1月—12月南昌大学附属口腔医院口腔颌面外科门诊拔除的离体有龋牙60颗,沿前体牙长轴正中磨为两半,获得120个牙样本。根据预处理方式不同分为A组（2%NaClO）、B组（2%氯己定）和C组（75%乙醇）,比较3组牙体粘结强度、微拉伸试验及微渗漏情况。采用SPSS 24.0软件包对数据进行统计学分析。结果: 3组粘结强度由高到低依次为A组、B组、C组,差异有统计学意义（P<0.05）;3组断裂类型相比,A组混合破坏少于B组、C组;A组微渗漏优于B组、C组,差异有统计学意义（P<0.05）。结论: 不同预处理方法对龋齿牙本质微渗漏与粘结强度的影响不同,2%NaClO有利于减少牙本质微渗漏,显著提高牙体粘结强度,可在牙体疾病的治疗中推广使用。

关键词: 龋, 牙本质, 微渗漏, 粘结效果, 微拉伸试验

Abstract: PURPOSE: To evaluate the effect of different pretreatment methods on dentin microleakage and bonding effect of caries, so as to provide reference for clinical practice. METHODS: Sixty isolated caries were collected from Department of Oral and Maxillofacial Surgery, Affiliated Stomatological Hospital of Nanchang University from January 2020 to December 2020, and 120 dental samples were obtained by grinding them into two halves along the long axis of the precursor teeth. According to different pretreatment methods, they were divided into group A (2%NaClO), group B (2% chlorhexidine) and group C (75% ethanol). The bond strength, microtensile test and microleakage of the three groups of teeth were compared. SPSS 24.0 software package was used for statistical analysis of the data. RESULTS: The bond strength of the three groups from high to low was group A, group B and group C(P<0.05); the fracture type of the three groups was compared, mixed damage of group A was lower than that of group B and group C; microleakage of the three groups was compared, and microleakage of group A was better than that of group B and group C(P<0.05). CONCLUSIONS: Pre-treatment with 2%NaClO can reduce dentin microleakage and significantly improve the bonding strength of teeth, which is conducive to the promotion and application in the treatment of dental diseases.

Key words: Caries, Dentin, Microleakage, Bonding effect, Microtensile test

中图分类号:

R781.1

黄文青, 李羽, 杨健. 不同预处理方法对龋齿牙本质微渗漏和粘结效果的影响[J]. 上海口腔医学, 2021, 30(6): 585-588.

HUANG Wen-qing, LI Yu, YANG Jian. Effect of different pretreatment methods on dentin microleakage and bonding effect in caries[J]. Shanghai Journal of Stomatology, 2021, 30(6): 585-588.

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不同预处理方法对龋齿牙本质微渗漏和粘结效果的影响

Effect of different pretreatment methods on dentin microleakage and bonding effect in caries

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