title: The hardening and softening of human tooth enamel.
mesh_terms: D002118:Calcium; D002130:Calcium Phosphates / Q000494:pharmacology*; D003648:Decalcification Technique; D003743:Dental Enamel / Q000032:analysis / Q000187:drug effects*; D003802:Dentifrices / Q000494:pharmacology*; D005460:Fluorides, Topical / Q000494:pharmacology*; D006245:Hardness Tests; D006801:Humans; D006863:Hydrogen-Ion Concentration; D007477:Ions; D007478:Iontophoresis; D010710:Phosphates; D012463:Saliva; D013395:Sucrose; D013997:Time Factors
chemical_list: D002130:Calcium Phosphates; D003802:Dentifrices; D005460:Fluorides, Topical; D007477:Ions; D010710:Phosphates; D013395:Sucrose; D002118:Calcium