碳二亚胺联合不同粘接技术对牙本质粘接性能的影响

doi:10.19439/j.sjos.2022.01.010

上海口腔医学 ›› 2022, Vol. 31 ›› Issue (1): 48-53.doi: 10.19439/j.sjos.2022.01.010

碳二亚胺联合不同粘接技术对牙本质粘接性能的影响

陈月¹, 鄢国伟^1,2, 郑月梅¹, 周凯璇¹, 谢翠柳^1,3

1.西南医科大学口颌面修复重建与再生实验室,四川泸州 646000;
2.西南医科大学附属口腔医院牙体牙髓病科, 3.口腔修复科,四川泸州 646000

收稿日期:2020-04-21 修回日期:2020-06-28 出版日期:2022-02-25 发布日期:2022-03-10
通讯作者: 谢翠柳,E-mail: xiecl10@163.com
作者简介:陈月（1998-）,女,研究生, E-mail:2916067367@qq.com
基金资助:
西南医科大学青年科研项目（2019ZQN133）; 西南医科大学附属口腔医院青年科研项目（201806）

Effects of carboidiimide with different bonding techniques on the property of dentin bonding

CHEN Yue¹, YAN Guo-wei^1,2, ZHENG Yue-mei¹, ZHOU Kai-xuan¹, XIE Cui-liu^1,3

1. Oral & Maxillofacial Reconstruction and Regeneration Laboratory, Southwest Medical University. Luzhou 646000;
2. Department of Endodontics, 3. Department of Prosthodontics, the Affiliated Stomatology Hospital of Southwest Medical University. Luzhou 646000, Sichuan Province, China

Received:2020-04-21 Revised:2020-06-28 Online:2022-02-25 Published:2022-03-10

摘要/Abstract

摘要： 目的: 探讨碳二亚胺（EDC）联合不同粘接技术对牙本质粘接性能的影响。方法: 取离体第三磨牙64颗,随机分为8组(n=8)：EWB和EWBa(无预处理+乙醇湿粘接)、E-EWB和E-EWBa(0.5 mol/L EDC+乙醇湿粘接)、E-WB和E-WBa(0.5 mol/L EDC+湿粘接)、E-DB和E-DBa(0.5 mol/L EDC+干粘接),其中,EWB、E-EWB、E-WB、E-DB为即刻组,EWBa、E-EWBa、E-WBa、E-DBa为老化组。每组6个试件,测试剪切强度,观察、记录断裂模式,剩余2个试件电镜下观察粘接界面。采用SPSS 20.0软件包对数据进行统计学分析。结果: 剪切强度在EWB组和E-EWB组、E-EWB组和E-WB组间差异无统计学意义(P>0.05),E-EWB组、E-WB组大于E-DB组,差异有统计学意义(P<0.05);E-EWBa组大于EWBa组,差异有统计学意义(P<0.05),E-EWBa组、E-WBa组和E-DBa组剪切强度递减,差异有统计学意义(P<0.05)。EDC、粘接技术和老化主效应的影响均有统计学意义(P<0.05),老化因素与EDC、粘接技术之间的交互效应均有统计学意义(P<0.05)。乙醇湿粘接和湿粘接的断裂模式以树脂破坏、粘接界面破坏和混合破坏为主,干粘接以粘接界面破坏为主。扫描电镜下E-EWB组混合层最厚且致密,EWBa组、E-EWBa组混合层与粘接剂之间有微小裂隙,E-WBa组混合层内可见部分不均匀裂缝,E-DBa组中混合层裂缝明显。结论: EDC联合乙醇湿粘接获得最高剪切强度且具有粘接耐久性。

关键词: 碳二亚胺, 粘接技术, 牙本质, 剪切强度

Abstract: PURPOSE: To explore the effects of carbodiimide combined with different bonding techniques on the property of dentin bonding. METHODS: 64 third molars in vitro were randomly divided into 8 groups(n=8), including EWB and EWBa (no pretreatment+ethanol-wet bonding), E-EWB and E-EWBa (0.5 mol/L EDC+ethanol-wet bonding), E-WB and E-WBa (0.5 mol/L EDC+water-wet bonding), E-DB and E-Dba (0.5 mol/L EDC+dry bonding). Group EWB, E-EWB, E-WB and E-DB were immediate groups, while group EWBa, E-EWBa, E-WBa and E-DBa were aging groups. Six specimens in each group were randomly chosen to test shear bonding strength and then observe failure patterns. The remaining specimens were used to observe bonding interface under SEM. SPSS 20.0 software package was used for statistical analysis of the data. RESULTS: There was no significant difference in shear bonding strength between group EWB and E-EWB, group E-EWB and E-WB(P>0.05), while shear bounding strength in group E-EWB and E-WB were significantly greater than group E-DB(P<0.05). The shear bonding strength of group E-EWBa was significantly greater than group EWBa (P<0.05). The shear bonding strength of group E-EWBa, E-WBa and E-DBa was gradually decreased, and their differences were significant (P<0.05). The factors of EDC, bonding techniques and aging played a significant role in shear bonding strength (P<0.05). Interactions between EDC and aging was significant (P<0.05), and that between bonding techniques and aging was also significant (P<0.05). The main failure modes of the water-wet bonding and the ethanol-wet bonding were resin failure, adhesive interface failure and mixed failure. The main failure of dry bonding was adhesive interface failure. The thickest and densest hybrid layer were found in group E-EWB. Some tiny cracks were presented between the hybrid layer and adhesives layer in group EWBa and E-EWBa. Partially uneven cracks existed in the hybrid layer in group E-WBa, and that was more obvious in group E-DBa. CONCLUSIONS: EDC pretreatment combined with ethanol-wet adhesive technique acquires the optimal shear bonding strength and the durability of dentin bonding.

Key words: 1-ethyl-3-(3-dimethylaminopropyl) carbodiimide, Adhesive technology, Dentine, Shear bonding strength

中图分类号:

R781.05

陈月, 鄢国伟, 郑月梅, 周凯璇, 谢翠柳. 碳二亚胺联合不同粘接技术对牙本质粘接性能的影响[J]. 上海口腔医学, 2022, 31(1): 48-53.

CHEN Yue, YAN Guo-wei, ZHENG Yue-mei, ZHOU Kai-xuan, XIE Cui-liu. Effects of carboidiimide with different bonding techniques on the property of dentin bonding[J]. Shanghai Journal of Stomatology, 2022, 31(1): 48-53.

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碳二亚胺联合不同粘接技术对牙本质粘接性能的影响

Effects of carboidiimide with different bonding techniques on the property of dentin bonding

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