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目的:探究根管治疗术失败的原因,提出有关预防措施。方法:回顾性分析2011年1月~2012年12月在我科室开展根管治疗的250例患者的临床资料,统计2011年(对照组)、2012年(观察组)治疗失败患者例数、患牙数及具体分布,根据症状、临床检查等对患牙根管系统进行相关分析,提出有关预防措施。结果:对照组治疗失败患者40例,占33.33%(40/120),失败患牙50颗;通过采取有关预防措施后,观察组治疗失败患者25例,占19.23%(25/130),失败患牙30颗。与对照组相比,观察组治疗成功率显著提高(P<0.05),失败患牙数显著减少(P<0.05),失败原因主要为欠充,占失败患牙的50%。结论:根管充填质量直接影响根管治疗的效果,提高充填质量、阻断感染源、清除根管感染物、防止再感染、仔细规范操作是治疗和预防的关键。
Objective: To investigate the causes of failure of root canal therapy and to put forward some preventive measures. Methods: The clinical data of 250 patients who underwent root canal therapy in our department from January 2011 to December 2012 were retrospectively analyzed. The number of patients with failed treatment in 2011 (control group) and 2012 (observation group) Number of teeth and specific distribution, according to the symptoms, clinical examination of the root canal system, the root canal related analysis, put forward the preventive measures. Results: In the control group, 40 patients (33.33% (40/120) failed to cure) and 50 failed teeth (25 patients, accounting for 19.23% (25/130) failed to pass the preventive measures) Tooth 30. Compared with the control group, the success rate of treatment in the observation group was significantly increased (P <0.05), and the number of failed teeth significantly decreased (P <0.05). The causes of failure were mainly under-charge, accounting for 50% of the failed teeth. Conclusion: The quality of root canal filling has a direct impact on the effect of root canal therapy, improving the filling quality, blocking the source of infection, removing root canal infection and preventing re-infection. Careful and standard operation is the key to treatment and prevention.