부산대학교 도서관

In mass screening for temporomandibular dysfunction, epidemiological survey on function and disturbance of T. M Joint has been made in 3348 adult persons (2757 males and 591 females, mean age 35.2 years old). We classfied the TMJ dysfunction according to (A) maximal mouth opening, (B) TMJ sound, (C) muscle pain, (D) TMJ pain on palpation, (E) TMJ pain on movement of mandible and (F) daily life disturbance by TMJ dysfunction. One score point was given to the five clinical symptoms (A-E) when they are positive findings. TMJ dysfunction score was added as dysfunction score ranging from 0 to 5 points for each individual. Percentage distribution of material according to dysfunction score (DS) was as followings. DS-0: 79.5%, DS-1: 18.4%, DS-2: 1.7%, DS-3: 0.3%, DS-4: 0.1%, DS-5: 0.0%. 686 persons (20.5%) had been found some clinical symptoms. The most frequent symptopm was TMJ sound (15.3%) whereas symptoms related to the pain were low percentages (3.8%). Daily life disturbance by TMJ dysfunction was correlated with TMJ dysfunction score. Young women group, whose average dysfunction score was 0.16, complained daily life disturbance by TMJ dysfunction more than 60 years old women group that had the highest average dysfunction score (0.47).