title: [Study of the direct bonding method. Clinical application of maleic acid as an etching agent (author's transl)].
mesh_terms: D000134:Acid Etching, Dental / Q000379:methods*; D001840:Dental Bonding / Q000379:methods*; D008298:Maleates; D009967:Orthodontic Appliances
chemical_list: D008298:Maleates