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目的观察根管内器械分离患牙行旁路通过法治疗后的临床疗效。方法选择25例根管治疗过程中发生器械分离且不能取出,应用旁路通过法继续完成根管治疗者作为实验组,选择25例磨牙常规根管治疗为对照组。3年后回访,对比两组疗效。结果实验组25例旁路通过者,22例成功,成功率为88.0%。对照组25例常规根管治疗23例成功,成功率为92,0%。2组的成功率差异无统计学意义。结论根管内器械分离行旁路通过是一种有效的治疗方法 。
Objective To observe the clinical efficacy of tooth root canal bypass with the method of treatment after root canal separation. Methods 25 cases of root canal therapy during the equipment separation and can not be removed, the application of bypass method to continue to complete root canal therapy as experimental group, choose 25 cases of conventional root canal treatment of molar as the control group. 3 years after the visit, the two groups compared efficacy. Results In the experimental group, 25 cases were bypassed and 22 cases were successful. The success rate was 88.0%. Control group of 25 cases of conventional root canal treatment of 23 cases succeeded, the success rate was 92,0%. There was no significant difference in the success rates between the two groups. Conclusion The intracorporeal device bypass is an effective method of treatment.