微创根尖刮治术120例临床分析

Clinical analysis of minimally invasive treatment of root tip in 120 cases

目的探讨微创根尖刮治术在慢性有瘘型根尖周炎的实施时机及临床效果。方法120例有瘘型慢性根尖周炎患者随机分组，治疗组和对照组各60例。治疗组在患者就诊第一时机施行微创根尖刮治术，配合根管治疗。对照组先行常规根管治疗术，经久不愈的患者或愈合后复发的患者再予以根尖刮治术，术后1～6个月观察根尖周愈合情况及患牙功能恢复情况。结果经治疗后治疗组总有效率为98．33％，显著优于对照组的66．67％，对比差异有统计学意义（P〈0．05）。结论慢性有瘘型根尖周炎患者，在早期实施微创根尖刮治术结合根管治疗，疗效明显，不仅能大大的缩短疗程，减小患者痛苦，而且根尖骨愈合密度增加，能保留足够的牙根长度，患牙行使功能满意。

Objective To discuss the implementing time and clinical effect of minimally invasive treatment of root tip in chronic periapical periodontitis with fistula. Methods Totally 120 cases of chronic periapical periodontitis with fistula were randomly divided into two groups, treatment group and control group, each group including 60 cases. In the treat- ment group, the patients were given minimally invasive treatment in the first time, combined with root canal therapy. The control group were first treated with conventional root canal therapy, then the prolonged or recurrent patients were applied apical curettage. The periapical healing and functional recovery of teeth were observed from one to six months af- ter surgery. Results For the chronic periapical periodontitis Patients with fistula, the early implementation of minimally invasive apical curettage combined with root canal therapy were significantly better than the the control group （the total efficiency：the treatment group is 98.33%, the control group is 66.67% ）. Conclusion This method not only can greatly shorten the treatment course, reduce the patient＇ s pain, but also increase the bone healing density of the root tip, retain adequate root length. Furthermore, the patients were satisfied with the tooth function.