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目的分析“窦道型”慢性根尖周炎根管一次性治疗组中使用超声波荡洗消毒根管的疗效与多次治疗中使用Ca(OH)2消毒根管的疗效。方法选取患者130例,患牙130颗。将患者随机分成两组,一次性治疗组65例,多次组65例。一次性治疗组在根管治疗中使用超声波荡洗消毒根管,多次性治疗组在根管治疗中使用Ca(OH)2消毒根管。术后观察临床疗效。结果术后两周观察两组患者窦道均消失或缩小,6个月、一年后回访,根尖阴影均消失或缩小。结论一次性治疗组根管治疗与常规多次性治疗组治疗无明显差异,无统计学意义。(P>0.05)。
Objective To analyze the curative effect of ultrasonic lavage and root canal disinfection in the “sinus type” chronic root canonical root canal therapy group and the curative effect of Ca (OH) 2 disinfecting root canal in multiple treatment. Methods Select 130 patients, 130 teeth. The patients were randomly divided into two groups, one-off treatment group 65 cases, multiple group 65 cases. One-off treatment group used ultrasonic wave to wash root canal during root canal therapy, while multiple-treatment group used Ca (OH) 2 root canal to root canal therapy. Postoperative observation of clinical efficacy. Results Two weeks after operation, the sinus of the two groups of patients disappeared or contracted. After 6 months and one year of follow-up, the apical shadow disappeared or contracted. Conclusion There was no significant difference between the one-off treatment group and the conventional multiple treatment group. There was no significant difference between the two groups. (P> 0.05).