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目的探讨外伤松动牙方丝弓托槽固定根管治疗不同拆除时间对疗效的影响。方法收集我院2011年1月~2012年4月治疗的外伤松动牙患者,随机分成对照组和观察组各68例,其中对照组75颗牙,观察组77颗牙,两组治疗方法相同,均根据患者的具体情况设计好治疗方案,但两组患者拆除时间不同,对照组治疗3个月拆除,观察组治疗1个月拆除。结果观察组治愈51例,治愈率为66.2%,好转24例,好转率31.1%,无效2例,总有效率我97.4%,对照组治愈34例,治愈率为45.3%,好转24例,好转率31.1%,无效17例,总有效率我77.3%,两组比较有显著性差异(P<0.05)。结论治疗1个月拆除托槽的临床疗效优于治疗3个月拆除托槽临床效果。
Objective To investigate the effect of different removal time on the curative effect of loosely rooted arch wire brackets fixed root canal. Methods A total of 68 patients with loose tooth from January 2011 to April 2012 in our hospital were randomly divided into control group and observation group, with 75 teeth in control group and 77 teeth in observation group. The treatment methods were the same in both groups, Patients were treated according to the specific circumstances of the design of a good treatment, but the two groups were removed at different times, the control group was removed for 3 months, the observation group was removed for 1 month. Results The observation group was cured in 51 cases, the cure rate was 66.2%, improved in 24 cases, the improvement rate was 31.1%, 2 cases were ineffective, the total effective rate was 97.4% in the control group, 34 cases were cured, the cure rate was 45.3%, improved in 24 cases The rate was 31.1%, 17 cases were ineffective and the total effective rate was 77.3%. There was significant difference between the two groups (P <0.05). Conclusion The clinical effect of removing brackets 1 month after treatment is better than that of removing brackets 3 months after treatment.