Frequency of tooth loss in relation to the dentist's ability to prevent the necessity of extraction.
D000293:Adolescent; D000328:Adult; D000368:Aged; D004245:DMF Index; D003710:Demography; D003731:Dental Caries / Q000150:complications; D004522:Educational Status; D006801:Humans; D008875:Middle Aged; D009059:Mouth Diseases / Q000517:prevention & control; D010510:Periodontal Diseases / Q000150:complications; D012959:Socioeconomic Factors; D014081:Tooth Extraction