title: Comment on concentration and etch time for phosphoric acid.
authors.forename: M D
authors.initials: MD
authors.lastname: Unruh
mesh_terms: D000134:Acid Etching, Dental / Q000379:methods*; D001840:Dental Bonding; D006801:Humans; D009967:Orthodontic Appliances; D010756:Phosphoric Acids / Q000008:administration & dosage*; D013997:Time Factors
chemical_list: D010756:Phosphoric Acids