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目的:探讨拔除第一恒磨牙的矫治方案。方法:将我科2011年1月-2012年1月期间收治的收治的42例牙齿拥挤,需矫治患者为研究对象,将患者按照治疗方法不同分为2组,即对照组21例,观察组21例。对照组21例患者拔除第一恒磨牙前进行矫治,观察组21例患者拔除第一恒磨牙后进行矫治。分别观察2组患者治疗时间及治疗效果。结果:观察组患者治疗时间为562±25d,对照组患者治疗时间为545±22d,2组比较,差异无显著性(p>0.05)。2组患者均取得良好的治疗效果,牙根平行,前牙覆颌正常。结论:拔除第一恒磨牙临床矫治,在合理利用支抗的情况下,均可取得良好的治疗效果。
Objective: To investigate the treatment of removal of the first permanent molars. Methods: Forty-two cases of congenital crowding and orthodontic treatment admitted to our department from January 2011 to January 2012 were divided into two groups according to the different treatment methods: control group (21 cases), observation group 21 cases. Twenty-one patients in the control group were treated before the first permanent molars were removed, and 21 patients in the observation group were treated after the first permanent molars were removed. Two groups were observed treatment time and treatment effect. Results: The treatment time in the observation group was 562 ± 25 days, while that in the control group was 545 ± 22 days. There was no significant difference between the two groups (p> 0.05). 2 groups of patients have achieved good therapeutic effect, root parallel, antegrade jaw normal. Conclusion: The first permanent molars removal of clinical treatment, the rational use of the case of the support, can obtain good therapeutic effect.