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目的观察一次和分次根管充填治疗慢性牙髓炎的临床疗效。方法选择74例慢性牙髓炎患者随机分为治疗组和对照组,治疗组采用一次根管充填,对照组采用分次根管充填。结果术后3 d疼痛发生率治疗组为35.7%,对照组为13.2%;术后1年成功率对照组为92.1%,治疗组为92.9%。结论与分次根管充填相比一次根管充填治疗慢性牙髓炎疗程短,术中如严格遵守无菌操作、控制适应证,可降低术后疼痛发生率,取得长期稳定的疗效。
Objective To observe the clinical efficacy of primary and fractional root canal filling in the treatment of chronic pulpitis. Methods A total of 74 patients with chronic pulpitis were randomly divided into treatment group and control group. The treatment group was treated with primary root canal filling and the control group with partial root canal filling. Results The incidence of pain 3 days after operation was 35.7% in the treatment group and 13.2% in the control group. The success rate at 1 year after operation was 92.1% in the control group and 92.9% in the treatment group. Conclusions Compared with fractional root canal filling, primary root canal filling has a short course of treatment for chronic pulpitis. If we strictly observe aseptic operation and control indications during operation, we can reduce the incidence of postoperative pain and achieve long-term and stable efficacy.