title: Researchers develop mercury-free dental material.
mesh_terms: D003722:Dental Alloys / Q000737:chemistry*; D003793:Dental Restoration, Permanent / Q000379:methods; D006801:Humans; D008628:Mercury; D011312:Pressure; D012834:Silver; D014001:Tin
chemical_list: D003722:Dental Alloys; D012834:Silver; D014001:Tin; D008628:Mercury