title: A study of the incidence and distribution of root surface caries and its relation to periodontal disease.
mesh_terms: D000328:Adult; D003731:Dental Caries / Q000453:epidemiology / Q000209:etiology*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010510:Periodontal Diseases / Q000150:complications*; D014092:Tooth Root / Q000473:pathology*