Figure 1: Preoperative photograph

Figure 2: Periapical view showing a large periapical radiolucency with divergence of roots of 31 and 32

Figure 3: Panoramic radiograph

Figure 4: Determination of working length

Figure 5: Periapical radiograph after root canal filling

Figure 6: Periapical radiograph demonstrating progressive bone healing after 3 months

Figure 7: Periapical radiograph demonstrating significative healing of lesion with a recovery of the root axes of the 31 and 32 after 9 months

Figure 8: Panoramic radiograph demonstrating complet healing of lesion after 12 months