Figure 1.

(a) Preoperative periapical radiograph. (b) Intraoperative radiograph of the working length determination. (c) Immediate postoperative radiograph. (d) Radiograph after fiber post placement, build-up, and temporary resin crown cemented. (e) One-year control radiograph showing a periapical radiolucency located on the mesial root. (f) Fracture line of the mesiobuccal root localized buccally. (g) Deep probing defect. (h) Radiograph obtained after hemisection and extraction of the mesial root. (i, l) Extracted root showing a long itudinal vertical root fracture. (m) Six months of follow-up radiograph