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安氏Ⅱ类错是正畸临床上最为常见的一类错畸形.骨性Ⅱ类错表现为发育过度的上颌骨和/或伴下颌后缩;牙性Ⅱ类错表现为磨牙远中关系,可伴前牙覆盖过大.对于生长发育期的儿童,可利用其生长发育潜力通过功能矫形的方法前导后缩的下颌骨;严重骨性畸形的患者则需要成年后通过正颌手术纠正异常颌骨关系.在固定正畸治疗中,轻度骨性及牙性Ⅱ类错畸形的矫治方法包括拔牙矫治(常选择4/5的拔牙模式)、远中移
Class Ⅱ malocclusion is the most common type of malocclusion in clinical orthodontics. Class Ⅱ malocclusion manifests as over-development of the maxilla and / or mandibular retrusion. Dentistry class Ⅱ malocclusion manifests as molars Relationship may be accompanied by excessive coverage of anterior teeth .For growth and development of children, the growth and development potential can be used by functional orthopedic method of leading and retracting mandible; severe skeletal deformity patients need adult correction by orthognathic surgery Abnormal jaw relationship in fixed orthodontic treatment, mild skeletal and dental Class Ⅱ malocclusion correction methods include extraction treatment (often choose 4/5 of the tooth extraction mode), far shift