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目的探讨急、慢性牙髓炎和慢性根尖周炎一次法根管治疗术的近期疗效。方法选择2006年1月至2009年12月在安徽省六安市人民医院口腔科就诊的急、慢性牙髓炎和慢性根尖周炎患者392例(392颗患牙),随机分成2组,试验组208颗采用一次法根管治疗术根管充填,对照组184颗采用常规的多次法根管治疗术,观察2组术后1周疼痛发生情况,术后3、12个月的临床疗效。结果治疗结束1周内,试验组较对照组疼痛发生率高(22.60%对20.65%),但差异无统计学意义。术后3、12个月两组间疗效差异也无统计学意义。结论急、慢性牙髓炎和慢性根尖周炎一次法根管治疗术近期疗效与常规的多次法根管治疗术无显著性差异。
Objective To investigate the short-term curative effect of primary root canal therapy of acute and chronic pulpitis and chronic apical periodontitis. Methods From January 2006 to December 2009, 392 patients (392 teeth) with acute and chronic pulpitis and chronic periapical periodontitis were enrolled in Department of Stomatology, People’s Hospital of Lu’an, Anhui Province. They were randomly divided into two groups, A total of 208 patients in the experimental group were treated with root canal therapy. One hundred and eighty-eight patients in the control group received routine root canal therapy. The incidence of pain at 1 week after operation, Efficacy. Results Within one week after the end of treatment, the incidence of pain in the experimental group was higher than that in the control group (22.60% vs. 20.65%), but the difference was not statistically significant. No significant difference was found between the two groups after 3 and 12 months. Conclusions There is no significant difference in the short-term curative effect between acute pulpitis, chronic pulpitis and chronic apical periodontal root canal therapy compared with conventional multiple root canal therapy.