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目的探讨早期Ⅲ类错(牙合)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(牙合)的病例,年龄3～6岁,随机分为两组,一组采用改良式骀垫矫治器进行矫治,另一组用传统(牙合)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(牙合)垫式矫治器组相比,改良式骀垫矫治器组上述指标的变化更明显、更理想。结论改良式(牙合)垫矫治器同时具有机械及肌能矫治的双重作用,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 explore the method 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 and were randomly divided into two groups. One group was treated with modified 骀 pad appliance, the other group was treated with traditional ( Occlusal) pad appliances for orthodontic treatment, comparative observation, analysis of soft and hard tissue changes before and after treatment to evaluate the therapeutic effect. Results The position of mandible and mandible before and after orthodontic treatment all improved the position of tooth and the soft tissue. Compared with the traditional orthodontic appliance, the index of the above index was improved more obviously and more ideal. Conclusion The modified occlusal pad appliance has the dual functions of mechanical and muscular correction, which can improve the position of the maxilla and mandible at the same time and has a short course of treatment and quick response.