氧化锌丁香油对3种永久粘固剂剪切强度影响的研究

›› 2016, Vol. 36 ›› Issue (3): 206-209.

氧化锌丁香油对3种永久粘固剂剪切强度影响的研究

童新文¹,陈梦薇²,林晨静²,罗燕梅²,黄雅云²,汉镇源²,林曦³,郑明¹

1. 福建医科大学附属口腔医院
2. 福建医科大学口腔医学院
3. 福建医科大学基础医学院病理系电镜室

收稿日期:2015-07-27 修回日期:2015-09-01 出版日期:2016-03-28 发布日期:2016-03-22
通讯作者: 郑明 E-mail:zmdentist@163.com
基金资助:
国家级大学生创新性课题;福建省卫生系统中青年骨干人才培养项目

The effect of zinc oxide eugenol cement on the shear bond strength of three permanent cements

Received:2015-07-27 Revised:2015-09-01 Online:2016-03-28 Published:2016-03-22

摘要/Abstract

摘要： 目的研究氧化锌丁香油对3种永久粘固剂与牙本质间粘结强度的影响。方法将因正畸需要拔除的60颗前磨牙制成试样块并用树脂包埋，一面暴露作为测试面，去除其釉质暴露浅层牙本质并用砂纸磨平。分为玻璃离子组（Ⅰ组）、树脂改性玻璃离子体组（Ⅱ组）、树脂粘结剂组（Ⅲ组），然后各组再分为对照组（A组），氧化锌丁香油组（B组），每组10个试样。在万能试验机上测试4 mm直径树脂块在A、B两种条件下用3种永久粘结剂粘固后的剪切强度。并用扫描显微镜观察剪切后试样表面形貌。结果 3组受氧化锌丁香油影响较大（（3.22±1.47）MPa对比（1.22±0.35）MPa，P=0.001），1组、2组在A、B两种条件下剪切强度差异无统计学意义（P＞0.05）。结论使用氧化锌丁香油粘固剂预处理牙本质表面，对树脂类粘固剂有不利影响，而对玻璃离子和树脂改性玻璃离子体无不利影响。

关键词: 氧化锌丁香油, 永久粘固剂, 剪切强度, 扫描电镜

Abstract: Objective To investigate the influence of zinc oxide eugenol (ZOE) on shear bond strength of three kinds of permanent cement when bonded to dentin. Methods The 60 premolars were made into test pieces and embedded with resin. One side was exposed as a test surface, with its enamel removed and superficial dentin polished with sandpaper. Specimens were divided into glass ionomer group (group 1), a resinmodified glass ionomer group (group 2), and a resin binder group (group 3). Each group was further divided into a control group (group A), and ZOE group (group B), each group containing 10 samples. Specimens with resin blocks (φ4 mm) were tested in the universal testing machine. And surface morphology was observed with a scanning microscope. Results Group 3 was influenced by zinc oxide eugenol （(3.22 ± 1.47) MPa vs. (1.22 ± 0.35) MPa, P=0.001）, while group1 and 2 were not. Conclusion Pretreatment of the dentin with ZOE temporary cement has an adverse effect on the resin cement but not on the glass ionomer and resinmodified glass ionomer.

Key words: zinc oxide eugenol, permanent cement, shear bond strength, SEM

中图分类号:

R783.1

童新文陈梦薇林晨静罗燕梅黄雅云汉镇源林曦郑明. 氧化锌丁香油对3种永久粘固剂剪切强度影响的研究[J]. , 2016, 36(3): 206-209.

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