title: Effect of sequential fluoride treatment on dentin microhardness.
mesh_terms: D000149:Acidulated Phosphate Fluoride / Q000494:pharmacology*; D003804:Dentin / Q000187:drug effects*; D005459:Fluorides / Q000494:pharmacology*; D005460:Fluorides, Topical / Q000494:pharmacology; D006244:Hardness; D006245:Hardness Tests; D006801:Humans; D066298:In Vitro Techniques; D014002:Tin Fluorides / Q000494:pharmacology*; D014092:Tooth Root / Q000187:drug effects
chemical_list: D005460:Fluorides, Topical; D014002:Tin Fluorides; D000149:Acidulated Phosphate Fluoride; D005459:Fluorides