Changes in the fluoride concentration of the labial enamel surface with age.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D002623:Chemistry Techniques, Analytical; D002648:Child; D003743:Dental Enamel / Q000032:analysis*; D005459:Fluorides / Q000032:analysis* / Q000494:pharmacology; D006801:Humans; D008875:Middle Aged; D014072:Tooth Abrasion; D014074:Tooth Calcification / Q000187:drug effects
D005459:Fluorides