[Insurance for the aged--aims and problems of the legislation].
D000368:Aged; D005260:Female; D005850:Geriatric Dentistry; D006801:Humans; D007347:Insurance, Dental / Q000331:legislation & jurisprudence* / Q000639:trends; D007564:Japan; D007879:Legislation, Dental / Q000639:trends*; D008297:Male