title: The retention of screw posts in root canals.
mesh_terms: D003772:Dental Pins / Q000592:standards; D006801:Humans; D007180:Incisor; D012389:Root Canal Obturation; D013674:Technology, Dental; D014081:Tooth Extraction; D014092:Tooth Root; D015036:Zinc Phosphate Cement
chemical_list: D015036:Zinc Phosphate Cement