全瓷高嵌体修复根管治疗后牙体缺损的临床效果评价

Clinical effect evaluation of E-Max onlays restoring posterior tooth defection after root canal treatment

目的采用E-Max全瓷高嵌体修复根管治疗后的牙体缺损,观察并评价其临床疗效。方法选取64例共72颗根管治疗后的牙齿,E-Max全瓷高嵌体修复,双固化树脂水门汀粘固。术后6、12、18个月复查。采用改良USPHS制定的全瓷修复临床评定标准对修复体各方面指标进行评价。结果 97.2%的修复体保持完整,未出现破裂、崩瓷、脱落,95.8%的修复体无牙龈炎症,食物嵌塞等并发症。结论全瓷高嵌体作为根管治疗后牙体缺损的修复,近期临床效果良好。

Objective To restore posterior tooth defection after root canal treatment with E-Max all-ceramic onlays and evaluate its clinical effect. Methods 72 posterior teeth from 64 cases,which received completed root canal treatment,were restored with onlays.All restorations were cemented with dual-curing luting cement,and were assessed after 6,12,18 months under the modified USPHS criteria. Results 97. 2% of the restorations displayed good results and 95. 8% of the restorations did not have gingival inflammation. EMax onlays had good clinical qualities in short-term observations. Conclusion E-Max onlays is an effective way to restore posterior tooth defection after root canal treatment.