title: A vitro study of marginal penetration in amalgam restorations at various interval of time with S35.
mesh_terms: D003723:Dental Amalgam / Q000032:analysis*; D003793:Dental Restoration, Permanent / Q000592:standards*; D006801:Humans; D066298:In Vitro Techniques; D012834:Silver; D013460:Sulfur Isotopes / Q000032:analysis
chemical_list: D013460:Sulfur Isotopes; D012834:Silver; D003723:Dental Amalgam