[Dental caries in subgingival area--etiology and management].
D000368:Aged; D001419:Bacteria / Q000166:cytology; D003731:Dental Caries / Q000209:etiology* / Q000382:microbiology / Q000473:pathology; D006801:Humans; D008875:Middle Aged; D014092:Tooth Root / Q000473:pathology*