铸瓷全冠修复体树脂粘接效果的3年临床评估
Three-year clinical evaluation of all ceramic crowns bonded with self-etch and self-adhesive resin cements

摘要： 目的 评估2种类型复合树脂水门汀与E.MAX铸瓷全冠的3年临床粘接效果。方法 对154名接受E.MAX铸瓷全冠修复的患者进行为期3年的随访，共计218件冠修复体，使用的树脂粘接系统包括自酸蚀类复合树脂水门汀PANAVIA F，需使用ED-Primer预处理基牙表面和自粘接类复合树脂水门汀Rely X Unicem，粘接前均使用硅烷偶联剂预处理冠内粘接面。3年观察期间出现的修复体脱落和折裂均记为失败。记录失败情况并计算成功率。 结果 E.MAX铸瓷全冠与PANAVIA F和Rely X Unicem粘接的3年保存率分别为97.5%和96.0%，脱落失败均出现在后牙区有大面积树脂充填物的基牙上。结论 在3年观察期内，自酸蚀类和自粘接类复合树脂水门汀粘接的E.MAX铸瓷全冠临床表现良好。
Abstract: Objective To observe and evaluate 3-year clinical effect of all ceramic crowns bonded with 2 types of resin cement. Methods 218 all ceramic crowns (E.MAX) from 154 patients were selected. A self-etch resin cement-PANAVIA F and a self-adhesive resin cement-Rely X Unicem were used to bond all ceramic crown with abutment, and the surfaces of abutments were pretreated by ED-Primer before using PANAVIA F. The inner surfaces of all ceramic crowns were pretreated by silane coupling agent before cementation. Survive rates of 3-year follow-up were calculated according to the fracture/debond number of crowns bonded with each resin cement. Results Survive rates of crowns bonded with PANAVIA F and Rely X Unicem were irrespectively 97.5%, and 96.0%. And debonded cases were the posterior abutments with large composite resin restoration. Conclusion The bond of E.MAX all ceramic crowns by either PANAVIA F or Rely X Unicem demonstrated satisfactory 3-year clinical performance