DENTAL CARIES AND NUTRITION AMONG JAPANESE

抄録

Dental caries is one of the important national health problem in Japan, especially for school children since long time ago. Method of diagnosis of dental caries is prefered the palpation method with sharp needle tip for inspection method in early stage of the affection 1). According to the national nutrition survey 2) by the Welfare Ministry, the incidence of dental caries reaches already in early infancy such as 2 to4 years old to about 60 per cent for both sexes, increasing gradually with increasing age (Table 1). At the time of teeth exchange the percentage figure drops once a little to increase again thereaftr with growing age (Graph 1).