We have studied clinicostatistically 462 in-patients from 1979 to 1986 at the Department of Oral & Maxillofacial Surgery, Kinki University Faculty of Medicine.
From this study, we obtained the following conclusions:
1) Of 462 in-patients, 293 were male and 169 were female (1.7:1).
2) The following four diseases accounted for 84.7%: Injuries were 25.8% (119 cases), tumors 21.4% (99 cases involving 59 maligmant tumors) cysts 19.5% (90 cases) and inflammatory diseases 18.0% (83 cases).
3) The number of operations were 371 which involved 92 Injuries, 84 cysts, 77 tumors and 37 Inflammatory diseases.
