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前牙反(牙合)是常见的错(牙合)畸形之一,较后牙反(牙合)及全牙列反(牙合)为多。据北京医学院口腔系正畸科统计反(牙合)占全部错(牙合)畸形数的21％。在反(牙合)畸形中,前牙反(牙合)占88％,而后牙反(牙合)及全牙列反(牙合)仅仅各占6％。据本科不完全统计,在错(牙合)畸形矫正病案中,半数以上是反(牙合),而前后牙反(牙合)的比例约高10:1。前牙反(牙合)严重的影响患儿颌面部、牙齿的正常生长发
Anti anterior occlusion (occlusion) is one of the common malocclusion, compared with anti-occlusion of the posterior teeth and all-dentition anti (occlusion) as much. According to the Department of Orthodontics, Beijing Medical College statistics anti (occlusion) accounted for all malocclusion 21%. In the anti (occlusal) deformity, the anterior crossbite (occlusal) accounted for 88%, while the anti-occlusion (alveolar) and all-dentition anti-occlusion (only 6%). According to incomplete statistics of the undergraduate, in the malocclusion orthodontics, more than half of the cases are anti-occlusion, while the ratio of anterior and posterior teeth is about 10: 1. Anterior (anti-occlusion) seriously affect children's maxillofacial region, the normal growth of teeth