Abstract
The pourpose of this study was to examined the prevalence of periodontal disease and considered a counterplan of prevention to periodontal disease in psychopathic patients. 219 psychopatic patients (a schizophreniac in 70. `80%) who had been in the hospital at Yamanashi Ryoyojo in Yamanashi prefecture were investigated the rednes and swelling in gingiva. 42 in 219 psychopathic patients who had been selected by a psychiatrist as a qualified patients for the detailed examinations of periodontal disease were investigated about periodontal pocket depth, inflammation of gingiva, adherent materials on teeth and remaining teeth. And we made survey of the consciousness to dental treatment about 23 itemes on 44 patients in 219 ones. 12 in 44 psychopatic patients who had been selected by a psychiatrist were educated the technique of oral hygiene for two years.
The results obatained were as follows:
1. In psychopathic patients, the degree of periodontal disease were higher than mentally normal adults.
2. In psychopathic patients, no effect of motivation to plaque control which be same methods to mentally normal adults were observed namely, psychopatic patients did not have to approach from consciously point of motivation but need the approach from aggressive point of motivation.
3. It suggest that the motivation to plage control will be useful to treatment of psychopathy.
