title: Use of lower concentrations of APF in APF-SnF2 sequential treatments.
mesh_terms: D000149:Acidulated Phosphate Fluoride / Q000008:administration & dosage*; D003747:Dental Enamel Solubility / Q000187:drug effects; D004305:Dose-Response Relationship, Drug; D005459:Fluorides / Q000008:administration & dosage*; D005460:Fluorides, Topical / Q000008:administration & dosage; D006801:Humans; D066298:In Vitro Techniques; D014002:Tin Fluorides / Q000008:administration & dosage*
chemical_list: D005460:Fluorides, Topical; D014002:Tin Fluorides; D000149:Acidulated Phosphate Fluoride; D005459:Fluorides