过去十年,正畸治疗已从移动牙齿转到对牙—骨骼更为广泛的治疗,治疗对象已超过了牙—牙槽关系的范围。为了对错(牙合)进行全面而有效的治疗,临床医生必须能认识和评价由上颌或下颌基弓关系所造成的合意或不合意的骨骼发育型。如果由于不利的生长型发育成异常的上下颌骨骼关系,结果发生错(牙合)。不利的生长型可以表现为水平向、垂直向、横向或三向的综合性发育异常。相反,满意的生长型带来了良好的上下颌关系,但可能有,也可能没有正常的咬(牙合),由于 Over the past decade, orthodontic treatment has shifted from moving teeth to more widespread teeth-bones treatments that have surpassed the scope of the tooth-to-tooth relationship. In order to have a comprehensive and effective treatment of an anomaly, a clinician must be able to recognize and evaluate a desirable or undesirable skeletal development caused by a maxillary or mandibular base-bow relationship. If the abnormal growth of the upper and lower jaw due to unfavorable growth of the relationship between the skeleton, the result of wrong (occlusion). Adverse growth type can be manifested as horizontal, vertical, horizontal or three-way comprehensive developmental abnormalities. On the contrary, the satisfactory growth type has brought a good relationship between the maxilla and mandible, but may or may not have normal bite occlusion, due to