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后牙的埋伏阻生与前牙比较,不论在矫治理念,还是矫治设计上都有较大的不同。本文重点介绍了上、下颌前磨牙埋伏阻生的原因和矫治方法,上、下磨牙,尤其是第三磨牙埋伏阻生的处理。后牙埋伏阻生的治疗主要从功能考虑,对美观影响不大。对导萌困难的病例,选择拔牙矫治也是可以接受的。拔除无法保存的第一或第二磨牙后,第三磨牙的导萌或前移可以进入功能位置。
Impacted obstruction of the posterior teeth compared with the anterior teeth, both in orthodontic philosophy, or orthodontic design are quite different. This article focuses on the reasons for the impaction of upper and mandibular premolar implants and the treatment methods, the treatment of upper and lower molars, especially the third molars. Implantation of the treatment of obstruction mainly from functional considerations, little effect on the appearance. Difficult to guide Meng cases, the choice of extraction treatment is also acceptable. Removal of the first or second can not be saved molars, the introduction of the third molars advancing or advancing into the functional position.