颞颌关节功能紊乱症是常见病之一。关于它的分型,目前尚未有完全统一的方法。笔者调查了门诊患者122例,按病理变化的部位、性质、结合发病原理和临床症状分为五型: 一、一般资料122例中,男53例,女69例。年龄最小者16岁,最大者81岁。以20～49岁为最多,共90例,占73.8%。二、临床分型(一)后区损伤型。58例,占47.5%,为最常 Temporomandibular joint dysfunction is one of the common diseases. There is not yet a completely unified approach to its classification. The author investigated 122 outpatients, according to the pathological changes in the site, nature, combined with the pathogenesis and clinical symptoms are divided into five types: First, the general information 122 cases, 53 males and 69 females. The youngest is 16 years old, the largest is 81 years old. To 20 to 49 years old for the most, a total of 90 cases, accounting for 73.8%. Second, the clinical classification (a) after the district injury type. 58 cases, accounting for 47.5%, the most common