一次性根管治疗118例慢性根尖周炎的疗效观察

The curative effect of 118 single-visit root canal treatment on chronic apical periodontitis

目的观察慢性根尖周炎一次性根管治疗的临床疗效，评价一次性根管治疗的临床可行性。方法选择在我院口腔门诊就诊中临床诊断为慢性根尖周炎的118例患者，118颗患牙，随机分为两组，均采用冠根向技术预备根管，一次性根管治疗组在完成根管预备、根管消毒后立即行冷牙胶侧方加压术充填根管；多次根管治疗组则多次（2～3次）在根管内封人甲醛甲酚（FC），1周后复诊待无症状后再行冷牙胶侧方加压术充填根管。观察两组术后1周疼痛发生情况，随访观察1年后复诊，通过X线和临床检查评价两组患牙愈合情况及疗效差异。结果术后1周疼痛发生率一次性治疗组为13．6％，多次根管治疗组为10．2％，差异无统计学意义（P〉0．05）；1年后复查，一次性治疗组成功率为88．1％，多次治疗组成功率为86．4％，差异无统计学意义（P〉0．05）。结论慢性根尖周炎的一次性根管治疗具有临床可行性。

Objective Observe the effect of the single-visit root canal treatment on chronic periapical periodontitis. To investigate the effect of single-visit root canal treatment on teeth.Methods One hundred and eighteen teeth with chronic periapical periodontitis were randomly divided into two groups. Single-visit RCT group and multiplevisit RCT group. Adopt crown and root fracture of root canal preparation. The cold lateral condensation technique is used immediately in the single-visit RCT group after the preparation and sterilization of root canal. FC is put into root canal several times in multiplevisit RCT. If there are no bad symptoms after further consultation after a week, the cold lateral condensation technique of root canal is used. Observe the pain happening after the treatment of two groups. One year follow-up was performed using X-ray and clinical examination to investigate the different treatment effects on two groups. Results The rate of the teeth pain is 13.6% in the single-visit RCT group while 10.2% in the multiple visit RCT group. The difference is meaningless in statistics （ P〉 0.05 ）. One year follow-up was performed in two groups. The rate of the successful treatment in the single-visit RCT group is 88.1% and 86.4% in the multiple visit RCT group. The difference is meaningless in statistics （ P 〉 0.05 ）.Conclusion Single-visit root canal treatment chronic periapical periodontitis is feasible in clinical study.