后牙残冠残根的核冠修复38例(48颗)

Thirty-eight cases core crown rehabilitation of residual posterior crown and root

考察后牙残冠残根修复的临床效果。方法：以整铸金属住、螺纹桩固位，光固化复合树脂、玻璃离子成核或铸造金属核，制作金属全冠或金瓷冠，对３８例患者４７颗大面积缺损的后牙残冠残根进行了修复，追踪观察修复后１～２年的３３例患者（计４０颗患牙）。结果：未发现修复体松动、脱落，修复牙无继发龋发生，咀嚼功能良好。结论：该方法有益于保存残冠残根牙，效果可靠，有推广意义。

Aim: Thirty - eight cases core crown rehabilitation of residual posterior crown and root were studied. Methods: Cast post - core, spiral - shafted post, light - curing resin core, glass - ionomer core were formed and full - metal crowns or porcelain - fused - to - metal crowns were inserted. One - year to two - year fellow up of 40 cases were observed. Results: No loosening and dislocation of the reconstructed crown or secondary caries. The restoration resumed good chewing function. Conclusion: For the preservation of residual crown and root, this method of restoration is of value both theoretically and practically, and suitable for wide use.