title: A three-year clinical evaluation of composite resin and a high copper amalgam in posterior primary teeth.
mesh_terms: D000134:Acid Etching, Dental; D003116:Color; D003188:Composite Resins; D003300:Copper; D003723:Dental Amalgam; D003793:Dental Restoration, Permanent; D005069:Evaluation Studies as Topic; D006801:Humans; D008434:Matrix Bands; D014094:Tooth, Deciduous
chemical_list: D003188:Composite Resins; D003300:Copper; D003723:Dental Amalgam