摘要
背景:长期以来修复材料与基牙的黏接技术一直是口腔修复学的研究热点,其中尤为引人关注的是黏结工件的表面处理工艺。目的:对比观察8种表面处理方法对Ceramage聚合瓷黏结强度的影响,筛选适合Ceramage聚合瓷的表面处理方法。方法:将Ceramage聚合瓷制成试件80个,随机分成8组,分别采用喷砂,酸蚀,偶联剂,喷砂+酸蚀,喷砂+偶联剂,酸蚀+偶联剂,喷砂+酸蚀+偶联剂处理聚合瓷表面并与树脂黏结剂黏结,对照组不进行任何处理。在37℃水浴24h后测试样本剪切强度,并用扫描电镜观察处理后的聚合瓷表面形貌。结果与结论:各组的剪切强度值由高到低分别为:喷砂+酸蚀+偶联剂处理组(31.12±2.81)MPa,喷砂+酸蚀组(27.62±1.70)MPa,酸蚀+偶联剂组(27.31±2.18)MPa,喷砂+偶联剂组(26.91±1.97)MPa,喷砂组(24.23±2.03)MPa,偶联剂组(23.50±2.19)MPa,酸蚀组(17.61±2.14)MPa,对照组(8.13±0.63)MPa,除喷砂组、偶联剂组之间,喷砂+酸蚀组、喷砂+偶联剂组、酸蚀+偶联剂组之间比较差异无显著性意义外(P>0.05),其余组间比较差异均有显著性意义(P<0.05)。结果显示7种表面处理方法都提高了黏结强度,喷砂、酸蚀联合硅烷偶联剂处理的聚合瓷黏结强度最高,是适合Ceramage聚合瓷黏结的表面处理方法。
BACKGROUND：Repair materials and abutment bonding technology have always been the research focus of prosthodontics,particularly surface treatment process. OBJECTIVE：To observe the effect of six different surface treatments on Ceramage polymer-ceramic bond strength and to find the proper surface treatment method. METHODS：Eighty polymer-ceramic specimens were randomly divided into 8 groups,respectively,using the following 8 ways：A：No treatment;B：Sandblasting;C：Etching;D：Silane coupling agent;E：Sandblasting ＋ etching;F：Blasting ＋ silane coupling agent;G：Etching ＋ silane coupling agent;H：Sandblasting ＋ etching ＋ silane coupling agent bonded with Panavia-F resin cement. After storage at 37 ℃ water for 24 hours,the specimens were subjected to a shear bond strength test. Surface morphology of polymer-ceramic was observed using scanning electron microscopy. RESULTS AND CONCLUSION：Shear strength values of 8 experimental group（MPa） from the highest to the lowest were as follows：H group（31.12±2.81） ,E group（27.62±1.70） ,G group（27.31±2.18） ,F group（26.91±1.97） ,B group（24.23±2.03） ,D group（23.50±2.19） ,C group（17.61±2.14） ,A group（8.13±0.63） . There was no significant difference between B and D groups as well as among E,F and G groups（P 0.05）;the remaining groups were statistically significant between groups（P 0.05） . Seven kinds of surface treatment methods have increased the bond strength;Sandblasting group and Coupling group was significant higher than Etching groups;Sandblasting,etching in combination with silane coupling agent group showed the highest bond strength,which was the most proper surface treatment method for Ceramage polymer-ceramic bonding.
出处
《中国组织工程研究与临床康复》
CAS
CSCD
北大核心
2011年第34期6331-6334,共4页
Journal of Clinical Rehabilitative Tissue Engineering Research
