Oral health status of the elderly in Northern Economies.
D000368:Aged; D000369:Aged, 80 and over; D002170:Canada; D006304:Health Status; D006801:Humans; D008875:Middle Aged; D009059:Mouth Diseases / Q000453:epidemiology*; D009909:Oral Health; D012537:Scandinavian and Nordic Countries; D006113:United Kingdom; D014481:United States