title: A matrix system for class II amalgam restorations in primary molars.
mesh_terms: D002648:Child; D002675:Child, Preschool; D003723:Dental Amalgam; D003764:Dental Materials; D003793:Dental Restoration, Permanent / Q000295:instrumentation; D006801:Humans; D008434:Matrix Bands; D008963:Molar; D014094:Tooth, Deciduous
chemical_list: D003764:Dental Materials; D003723:Dental Amalgam