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目的:探讨早期Ⅲ类错的良好矫治方法及最佳治疗时机。方法:随机选择我科门诊100例安氏Ⅲ类错的病例,年龄3~6岁,随机分为两组,一组采用改良式垫矫治器进行矫治,另一组用传统垫式矫治器进行矫治,进行对比观察,分析矫治前后的软硬组织变化,评价治疗效果。结果:矫治前后上下颌骨位置、恒切牙胚位置及软组织均有改善,与传统垫式矫治器组相比,改良式垫矫治器组上述指标的变化更明显,更理想。结论:改良式垫矫治器同时具有机械及机能矫治的双重作用,可以同时改善上下颌骨的位置关系而且疗程短,见效快。
Objective: To investigate the method of treatment of early stage Ⅲ malocclusion and the best treatment opportunity. Methods: A total of 100 cases of Class III malocclusion in our department were randomly selected. The patients were 3 to 6 years old and were randomly divided into two groups. One group was treated with modified pad appliance, the other group was treated with traditional pad type Appliance for orthodontic treatment, comparative observation, analysis of the changes before and after the treatment of soft and hard tissue, evaluate the therapeutic effect. Results: The position of mandible, mandibular position and soft tissue in both groups were improved before and after orthodontic treatment. Compared with the traditional otorrhaphy appliance group, the above index changes were more obvious and better. Conclusion: The modified pad appliance has the dual functions of mechanical and functional correction, which can improve the position of the upper and lower jaw at the same time and has a short course of treatment and quick response.