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目的 总结早期Ⅲ类牵引矫正儿童前牙反牙合的临床疗效。方法 2 2例乳牙期或替牙期前牙反牙合病例 ,固定矫治早期行Ⅲ类牵引 ,观察疗效及疗程。结果 2 2例均快速解除前牙反牙合 ,平均 9d( 1～ 2 1d) ;平均疗程 6周。结论 固定正畸早期Ⅲ类牵引矫治儿童前牙反牙合 ,疗效快 ,效果好。
Objective To summarize the clinical efficacy of anti-occlusion of the anterior teeth in early stage Ⅲ traction children. Methods Twenty-two cases of primary deciduous teeth or deciduous teeth were treated with fixed orthodontic treatment in the early stage. The curative effect and course of treatment were observed. Results Twenty-two patients were quickly lifted anterior crossbite, an average of 9d (1 ~ 21d); the average course of 6 weeks. Conclusion Early fixed orthodontics Class Ⅲ traction anterior crossbite correction of children, fast, effective.