Management of a Failing Root Canal Treatment with Periapical Lesion on UR1: The Challenge of Apical Anatomy

Pre-operative radiograph of tooth #UR1 showing inadequate obturation and a large periapical lesion. Mid-treatment radiograph demonstrating complete removal of the old gutta-percha Post-operative radiograph demonstrating successful 3D obturation. Notice the excellent sealer penetration into the complex apical delta and lateral…