title: Root surface caries in Lufa, New Guinea. 1. Clinical observations.
mesh_terms: D000328:Adult; D004245:DMF Index; D003731:Dental Caries / Q000453:epidemiology* / Q000209:etiology; D003753:Dental Health Surveys; D003773:Dental Plaque / Q000150:complications; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009512:New Guinea; D010510:Periodontal Diseases / Q000453:epidemiology; D010512:Periodontal Index; D014092:Tooth Root