title: Clinical investigation of a radiopaque composite restorative material.
mesh_terms: D000179:Acrylates / Q000592:standards*; D001464:Barium; D003764:Dental Materials / Q000592:standards*; D003793:Dental Restoration, Permanent / Q000592:standards*; D004955:Esthetics, Dental; D005459:Fluorides; D005898:Glass; D011861:Radiography, Dental; D012822:Silicon Dioxide
chemical_list: D000179:Acrylates; D003764:Dental Materials; D001464:Barium; D012822:Silicon Dioxide; D005459:Fluorides