Alexander Pazoki, D.D.S.,M.D.,F.A.C.S., Director of the Johns Hopkins Division of Oral and Maxillofacial Surgery and Dentistry, and Assistant Professor of Otolaryngology–Head and Neck Surgery, presents the case of mid-50s female who presented with chronic, burning pain and numbness to her left lower lip and chin area caused by material used in a root canal that moved out of the atypical portion of the root and into the inferior alveolar canal.