title: [Regional and age-related variations in solubility and fluoride concentration on the surface of human tooth enamel].
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D002648:Child; D003743:Dental Enamel / Q000032:analysis / Q000378:metabolism*; D003747:Dental Enamel Solubility; D005260:Female; D005459:Fluorides / Q000032:analysis*; D006801:Humans; D007564:Japan; D014097:Tooth, Unerupted / Q000032:analysis / Q000378:metabolism
chemical_list: D005459:Fluorides