From the Department of Oral Surgery, Okayama University Medical School, Okayama, Japan.
During the 6-year period from January 1964 to January 1970, colpomicroscopic observations of the oral cavity, i. e. stomatomicroscopy, were made in 20 control cases of normal oral mucosa (10 cases each of male and female) and 127 clinical cases seen and admitted to Department of Oral Surgery, Okayama University Hospital. They were 75 carcinomas, 2 sarcomas, 4 malignant melanomas, 16 benign neoplasms, 16 inflammatory lesions and 14 other diseases.