Abstract
1) Patients who had symptoms due to periodontal disease, as motive of the first Dental visits, showed lower percentage of 9.6 in 1967, 9.0 in 1968, 8.6 in 1969 and 7.6 in 1970 of total dental patients.
2) Although the ratio of female to male was about 1.2, the proportions of patients with symptoms due to periodontal disease to total dental patients was somewhat higher in male group than in female one.
3) A large number of patients with symptoms was visited in January, February, June and September compared with the other Months. However, relation between seasons and attack of periodontal disease was not analyzed from our examination especially.
4) Tooth movement, gingival swelling, gingival bleeding and periodontal pain were four main complaints in the present study, and these showed not less than 60 per cent of total symptoms.
5) Gingival bleeding was more prominent in the third decade, gingival swelling in the fourth and tooth movement in the fifth. However, periodontal pain was widely distributed in any generations.
6) There was no apparent sex difference in the symptoms except for tooth movement, pus discharge and hypersensitivity.
7) Patients with symptoms were most highly ranged in two decades of third and fourth, and they occupied not less than a half of patients in the other decades. There was highest distribution of females in the third decade and males in the fourth.
