title: Retention of screw posts in three filling materials.
mesh_terms: D000180:Acrylic Resins; D003188:Composite Resins; D003723:Dental Amalgam; D003772:Dental Pins; D003793:Dental Restoration, Permanent / Q000379:methods; D006801:Humans
chemical_list: D000180:Acrylic Resins; D003188:Composite Resins; D003723:Dental Amalgam