title: A study of changes in high copper amalgam surface in vivo and in vitro.
mesh_terms: D055598:Chemical Phenomena; D002627:Chemistry, Physical; D003300:Copper; D003723:Dental Amalgam; D006801:Humans; D066298:In Vitro Techniques; D013499:Surface Properties
chemical_list: D003300:Copper; D003723:Dental Amalgam