【摘要】 骨性Ⅲ类错畸形在正畸临床治疗中较为复杂，其诊疗方法向来是临床的研究热点。正畸医师在考量骨性Ⅲ类患者的治疗方案时，需要研判其三维方向上的牙颌面畸形程度来制定合理的治疗措施，甚至需要多学科联合治疗。本文分别总结了骨性Ⅲ类错畸形患者的下颌联合形态特征、下前牙区牙槽骨量与角度，以及下前牙倾斜度与冠根角在不同的矢状向骨性缺陷和垂直向关系中的代偿现象，以了解代偿现象所表现出的临床特征和相关的牙周问题。更多还原

【Abstract】 Skeletal angle class Ⅲ malocclusion is relatively complex in orthodontic clinical treatment, and its diagnosis and treatment methods have always been the focus of clinical research. When developing a treatment plan for skeletal angle class Ⅲ patients, orthodontists need to study and judge the degree of dental and maxillofacial deformity in the three-dimensional direction to formulate reasonable treatment measures and even multi-disciplinary combined treatment. This review summarizes the morphological characteristics of mandibular symphysis, alveolar bone mass and angle of lower anterior teeth, inclination and collum angle of lower anterior teeth in different sagittal and vertical relationships in skeletal angle class Ⅲ malocclusion, so as to better understand the clinical characteristics and related periodontal problems of compensation.更多还原