In order to evaluate the clinical features of the rcurred patients with temporomandibular disorders, 52 patients were subjected at the Dept. of Oral Medicine, PNUH from 1985 through 1996. As related to gender, duraton and diagnosis, Ll the relate factors-multiple diagnosis, emotinal problem, history of treatment, parafunctional habit, life distrubance, and trauma were analyzed. The obtained results were as follows : 1. The patients with multiple diagnosis were 83 percent and more often seen in women, chronic group and muscle-joint disorder group. 2. Duration of retreatment in chronic group and muscle-joint disorder was longer. 3. The patients with oral parafunctional habits were 89 percent and more often seen in women, chronic gorup, muscle-joint disorder group. 4. the Recurred patients showed 46 percent in history treatment, 42 percent in life distrubances, 39 percent in macrotrauma and 12 percent in emotional problem.