title: [Radiographic in vitro study of proximal (amalgam) contour using commercial matrix retainers and copper rings].
mesh_terms: D003300:Copper; D003723:Dental Amalgam; D003764:Dental Materials; D003793:Dental Restoration, Permanent; D003781:Denture Retention; D005069:Evaluation Studies as Topic; D006801:Humans
chemical_list: D003764:Dental Materials; D003300:Copper; D003723:Dental Amalgam
vernacular_title: Avaliação radiográfica, in "vitro", da reprodução do contorno proximal (amálgama) utilizando-se matrizes, sob a forma de retentores comerciales e de anel de cobre.