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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 investigate the timing and clinical effect of minimally invasive apical curettage in the treatment of chronic fistular apical periodontitis. Methods A total of 120 patients with fovea chronic periapical periodontitis were randomly divided into treatment group (60 cases) and control group (60 cases). The treatment group in the first opportunity for treatment of patients with minimally invasive radical curettage, with root canal therapy. The control group received routine root canal therapy, patients with prolonged unhealed patients or those with recurrence after healing were treated with root-tip scraping. The healing of periapical periodontal healing and functional recovery were observed 1 to 6 months after operation. Results After treatment, the total effective rate of the treatment group was 98.33%, which was significantly higher than that of the control group (66.67%), the difference was statistically significant (P <0.05). Conclusion In patients with chronic fovea type periapical periodontitis, minimally invasive apical curettage combined with root canal therapy has obvious curative effect, which can not only greatly shorten the course of treatment, reduce the patient’s pain, but also increase the healing density of apical bone, Retain adequate root length, teeth with satisfactory function.