关节盘形态被认为是TMJ内紊乱及可疑性功能障碍的一个重要特征。本文根据头颅正侧位关节断层片和组织病理矢状切片对关节盘的形态进行了分类,共有五种基本形态:弓带形(正常)、直形、漏斗形、肿胀形、Y形。进行了统计学分析。1型(弓带形):表现为正常的髁—盘—凹关系和轻中度关节盘移位。4型(肿胀形):严重的关节盘移位。关节下腔前凹染色呈“鹰嘴”状表明为不正常关节盘形态与移位。 Disc morphology is considered as an important feature of TMJ disorders and suspicious dysfunction. In this paper, the morphology of the disc is classified according to the cranial lateral joint slices and the histopathological sagittal slices. There are five basic forms: bowing (normal), straight, funnel, swelling, Y-shape. A statistical analysis was conducted. Type 1 (bow band): The performance of the normal condylar - disc - concave relationship and mild to moderate disc displacement. Type 4 (swelling): severe disc displacement. Anterior inferior concave staining of the lower joint showed an “olecranon” shape as an abnormal disc morphology and displacement.