title: Failed root canals: the case for extraction and immediate implant placement.
authors.forename: Mahmoud
authors.initials: M
authors.lastname: Torabinejad
mesh_terms: D003758:Dental Implantation, Endosseous; D019250:Dental Implants, Single-Tooth; D019232:Dental Restoration Failure; D006801:Humans; D012390:Root Canal Therapy; D014081:Tooth Extraction