粘接面不同处理对CAD/CAM全锆冠固位的影响-现代医学

粘接面不同处理对CAD/CAM全锆冠固位的影响

单位：深圳市龙岗中心医院口腔科, 广东深圳 518116

分类号：R783

出版年·卷·期（页码）：2018·37·第九期（1051-1054）

摘要：

目的：研究不同的粘接表面处理对CAD/CAM全锆冠粘接固位的影响。方法：对在我院行CAD/CAM全锆瓷冠修复的120颗后牙随机分为3组，每组40颗，第1组作为对照，全锆冠粘接面未处理，直接用树脂水门汀粘固，第2组冠的粘接面涂处理液再粘固，第3组冠的粘接面喷砂后涂处理液再粘固。观察比较修复后3年期间冠固位情况。结果：3年后，第1、2、3组全锆冠固位成功率分别为80.0%、92.5%、97.5%。组3冠固位最好，与对照组比较差异有统计学意义（P<0.05）。结论：粘接面喷砂后涂处理液能较好地增强树脂与全锆冠间粘固力，提高修复成功率。

Objective: To study the effect of different treatment of adhesive surface on the retention of the CAD/CAM full-contour zirconia crown.Methods: 120 posterior teeth to be restored with full-contour zirconia crowns in our hospital were randomly divided into 3 groups,40 teeth each group. Group 1 was the control group, adhesive surfaces of full-contour zirconia crowns without treatment,were directly bonded with resin cements. Adhesive surface of group 2 full-contour zirconia crowns coated treatment liquid, then were cemented with resin cements. The group 3 crowns adhesive surfaces were sandblasted and coated treatment liquid. The crowns retention of 3 groups were observed and compared during 3 years after restoration. Results: Retention success rates of 3 groups were 80.0%(group 1), 92.5%(group 2),and 97.5%(group 3). Group 3 was the best, there was statistical difference compared with the group 1 (P<0.05). Conclusion: The adhesive surface after sandblasting and coating treatment solution can enhance the adhesion force between resin cement and full-contour zirconia crown, and improve the success rate of restoration.

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