EDTA在塑化根管再治疗的临床观察

The clinical study of endodontic treatment for patients with resinfied teeth therapy

目的:观察EDTA在塑化后根管再通中的作用。方法:选择塑化治疗失败或塑化治疗后需做冠修复的根管124个,采用EDTA辅助K锉进行根管再通,记录再通根管的数量。结果:在EDTA的辅助下塑化根管再通率88.90%。结论:EDTA是塑化根管再通的有效辅助溶剂。

Objective： To observe the usage of EDTA in retreatment of resinified root canals. Methods： 124 root canals that had been treated with resinifying therapy before were selected for root canal therapy, K hand fries and 15% EDTA were used in root canal negotiation, the negotiated root canals were recorded. Results： With of EDTA, 109 root canals were negotiated, with a success rate was 87.90%. ConcLusion： EDTA is an effective accessories solvent in retreatment of resinified root canals.