后牙全冠修复后食物嵌塞的原因分析及防治探讨

To explore the causes and the prevention of molar food impaction after complete coronal restoration

目的:分析后牙全冠修复后食物嵌塞的原因,探讨预防食物嵌塞的方法。方法:选取72例后牙全冠修复后食物嵌塞的病例,依据不同的嵌塞原因采取不同的处理方法。结果:观察随访1年半时间,回访67例,治疗有效率达97.5%。结论:综合考虑基牙,邻牙,对颌牙及冠修复外形的情况,做好医技沟通,才能将后牙全冠修复后食物嵌塞现象降到最低。

Objective：This study explored the methods to prevent food impaction by analyzing the causes of molar food impaction after complete coronal restoration.Method：Analyzed 72 samples of molar food impaction after complete coronal restoration retrospectively,different treatment methods according to different reasons of food impaction.Result：One and half year follow up,67 samples returned visit,effective percentage was 97.5 %.Conclusion：Abutment,adjacent tooth,paired jaw tooth,prosthesis contour and communication between clinicians and dentists,all were important to reduce molar food impaction after complete coronal restoration.