开(牙合)属于一种复杂的牙颌畸形,多伴有形态、功能及美容的障碍。后者直接影响患者的心理状态,甚至影响其未来的职业选择,因此,及时地诊断、预防及治疗开(牙合)具有深远的社会意义。作者为研究开(牙合)的骨结构特征并为临床诊断提供参考,对102名年龄为11～17岁后牙为中性(牙合)关系的开(牙合)患者(其中男65名占 Open (occlusal occlusion) is a complex deformity of the maxillofacial deformities, often accompanied by morphological, functional and cosmetic barriers. The latter directly affects the patient's psychological status, and even affect their future career choices, therefore, timely diagnosis, prevention and treatment of open occlusion has far-reaching social significance. In order to study the structural characteristics of open occlusion and to provide a reference for clinical diagnosis, 102 open-occlusal (occlusal) patients with age of 11 to 17 years with posterior teeth occlusion (65 male Take up