Endodontic retreatment 2.6 with atypical MB2 position

Referred patient, presented for endodontic retreatment of teeth 2.6 and 2.7. The diagnosis for tooth 2.6 was: previously endodontically treated tooth complicated by localized asymptomatic apical periodontitis. The diagnosis for tooth 2.7 was: pulpal necrosis complicated by localized asymptomatic apical periodontitis. During the first appointment, endodontic treatment and coronal reconstruction of tooth 2.7 were performed. The procedure included removal of the carious lesion, placement of a pre-endodontic build-up, negotiation and mechanical preparation of the root canals using the WaveOne Gold (WOG) 20 and 25 instruments, followed by endodontic obturation with a bioceramic sealer and system gutta-percha cones. During the second appointment, endodontic retreatment of tooth 2.6 was carried out, consisting of removal of the previous root canal filling and carious…