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目的:观察慢性根尖周炎、牙髓炎采用一次性根管治疗术后的疗效。方法:选择门诊病例180例,随机分为实验组和对照组。实验组进行一次性根管治疗,使用替硝唑碘仿糊剂充填根管;对照组按传统根管治疗方法分次完成根管制备、根管消毒后,用氧化锌丁香油糊剂充填根管。结果:随访2 a,实验组与对照组间有效率差异无统计学意义(P>0.05)。结论:应用替硝唑碘仿糊剂充填根管的一次性根管治疗具有复诊次数少、疗程短的优点,可以提高工作效率,而2 a复查疗效无明显差别。
Objective: To observe the curative effect of chronic apical periodontitis and pulpitis after one-time root canal therapy. Methods: 180 outpatients were selected and randomly divided into experimental group and control group. The experimental group received one-time root canal treatment, and tinidazole iodoform paste was used to fill the root canal. In the control group, the root canal preparation was done by traditional root canal treatment method. After root canal disinfection, the roots were filled with zinc oxide- tube. Results: After 2 years of follow-up, there was no significant difference between the experimental group and the control group (P> 0.05). Conclusion: One-time root canal treatment with tinidazole iodoform paste filling root canal has the advantages of fewer follow-up visits and short course of treatment, which can improve the work efficiency. However, there is no significant difference in the 2-year follow-up.