Complex Retreatment of a Mandibular Second Molar #47: Large Furcal Perforation, Patent Distal Canal, and Missed Mesial Anatomy

Extensive periapical lesion associated with inadequate previous root canal obturation and missed canal anatomy Following crown removal, an excess of gutta-percha a large perforation were identified Xray per-operative An apical MTA plug was placed in the distal canal, followed by…