case_images: PMC4745629_01
case_images: Pre-op X-ray.
case_images: CRID2016-1016985.001.jpg
case_images: PMC4745629_01_CRID2016-1016985.001.jpg
case_images: fig1
case_images: IOPAR revealed radiolucency involving enamel, dentin, and pulp with no periapical changes in relation to 46 (Figure 1).
case_images: IOPA showing 4 mesial canals.
case_images: CRID2016-1016985.002.jpg
case_images: PMC4745629_01_CRID2016-1016985.002.jpg
case_images: fig2
case_images: The working length was determined with radiographic technique and apex locator (Figure 2).
case_images: CBCT image showing 4 canals in mesial root.
case_images: CRID2016-1016985.003.jpg
case_images: PMC4745629_01_CRID2016-1016985.003.jpg
case_images: fig3
case_images: CBCT of the right mandibular molar. CBCT revealed four canals in the mesial root and two canals in distal root (Figures 3 and 4).
case_images: CBCT image showing 4 canals in mesial root.
case_images: CRID2016-1016985.004.jpg
case_images: PMC4745629_01_CRID2016-1016985.004.jpg
case_images: fig4
case_images: CBCT of the right mandibular molar. CBCT revealed four canals in the mesial root and two canals in distal root (Figures 3 and 4).
case_images: Intraoral image showing 6 canals.
case_images: CRID2016-1016985.005.jpg
case_images: PMC4745629_01_CRID2016-1016985.005.jpg
case_images: fig5
case_images: On exploration with DG-16 probe, we found 2 additional canals between MB and ML (Figure 5).
case_images: Master cone selection.
case_images: CRID2016-1016985.006.jpg
case_images: PMC4745629_01_CRID2016-1016985.006.jpg
case_images: fig6
case_images: At the 3rd appointment, master cone was selected (Figure 6) and obturation was performed using cold lateral compaction technique and AH-plus root canal sealer.  Figure 7 shows the IOPAR immediately after obturation.
case_images: IOPAR after obturation.
case_images: CRID2016-1016985.007.jpg
case_images: PMC4745629_01_CRID2016-1016985.007.jpg
case_images: fig7
case_images: At the 3rd appointment, master cone was selected (Figure 6) and obturation was performed using cold lateral compaction technique and AH-plus root canal sealer.  Figure 7 shows the IOPAR immediately after obturation.