Caries-free teeth in the absence of the fluoride ion.
D000293:Adolescent; D000367:Age Factors; D002648:Child; D003105:Colombia; D004245:DMF Index; D003731:Dental Caries / Q000453:epidemiology* / Q000235:genetics; D003733:Dental Caries Susceptibility; D004032:Diet; D005457:Fluoridation; D006801:Humans; D009910:Oral Hygiene; D012737:Sex Factors