不同表面处理对钛–树脂粘接强度的影响

›› 2021, Vol. 41 ›› Issue (4): 299-302.

不同表面处理对钛–树脂粘接强度的影响

李蕾,张强,李彤

济南市口腔医院

收稿日期:2020-08-12 修回日期:2020-09-10 出版日期:2021-04-28 发布日期:2021-04-16
通讯作者: 李彤 E-mail:dentistzhangli@126.com
基金资助:
中华国际科学交流基金会检验检测科技专项基金

Effects of different surface treatments on the bonding strength of titanium to resin cements

Received:2020-08-12 Revised:2020-09-10 Online:2021-04-28 Published:2021-04-16

摘要/Abstract

摘要： 目的探讨不同表面处理方式对钛-树脂粘接强度的影响。方法使用CAD/CAM技术切削出56个底面直径10 mm，厚3 mm的商业Ⅱ级纯钛片，并随机分为7组（n=8）。试件表面分别进行喷砂（B组）、涂布硅烷偶联剂（C组）、涂布金属处理剂（D组）、喷砂+硅烷偶联剂（E组）、喷砂+金属处理剂（F组）及喷砂+偶联剂+金属处理剂（G组）处理，而对照组（A组）则不作任何处理。粘接试件使用万能实验机测试剪切粘接强度，结果进行单因素方差分析，并使用Tukey检验进行组间比较（α=0.05）。观察断裂模式。结果与对照组相比，各实验组均表现出较高的粘接强度（P＜0.05），其中F组的粘接强度最高，为（20.9±4.3）MPa，与G组之间无统计学差异；F、G组与其他组之间，B、D组与A、C组之间存在统计学差异（P＜0.05）。断裂模式分析显示，各实验组以界面断裂和混合断裂为主。结论对纯钛表面进行适当的表面处理，尤其是喷砂与金属处理剂联合处理有利于提升树脂粘接强度。

关键词: 纯钛, 树脂, 粘接强度, 表面处理

Abstract: Objective To assess the effects of different surface treatments on the bonding strength between titanium and resin cements. Methods A total of 56 commercially pure grade Ⅱ titanium specimens (?=10 mm, h=3 mm) were manufactured by CAD/CAM and randomly separated into 7 groups (n=8）. Then different surface treatments were applied: control group without any surface treatment (Group A), sandblasting by 50 μm Al2O3 particles (Group B) , application of coupling agents (Group C), application of metal primer (Group D), sandblasting by 50 μm Al2O3 particles and application of coupling agents (Group E), sandblasting by 50 μm Al2O3 particles and application of metal primer (Group F), sandblasting by 50 μm Al2O3 particles and application of coupling agents + metal primer (Group G). Thereafter, the shear bond strength (SBS) and failure mode were tested and analyzed. The data were analyzed statistically by one-way ANOVA and Tukey HSD（?=0.05). Results The results showed that all the experimental groups had higher SBS values when compared to the control group, while group F showed the highest SBS, (20.9±4.3) MPa, and had no statistical difference with group G (P<0.05). But there were significant differences between groups F, G and other groups, groups B, D and groups A, C. The interfacial failure mode and mixed failure mode were observed in all the experimental groups. Conclusion Proper surface treatments are beneficial to increasing the bonding strength, especially when the combination of mechanical and chemical surface treatments is applied.

Key words: titanium, resin, bonding strength, surface treatment

中图分类号:

R783.2

李蕾张强李彤. 不同表面处理对钛–树脂粘接强度的影响[J]. 口腔医学, 2021, 41(4): 299-302.

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