case_images: PMC4248422_01
case_images: Preoperative radiograph.
case_images: CRID2014-893980.001.jpg
case_images: PMC4248422_01_CRID2014-893980.001.jpg
case_images: fig1
case_images: Two root canals were observed in 41 (Figure 1).
case_images: Radiograph showing modified access opening.
case_images: CRID2014-893980.002.jpg
case_images: PMC4248422_01_CRID2014-893980.002.jpg
case_images: fig2
case_images: The access openings of 31, 32, 41, and 42 were modified and widened buccolingually and extended into cingulum gingivally, which revealed the presence of a lingual canal (Figure 2).
case_images: Radiograph showing two different instruments ("H" file and Reamer) in two canals in 31 and 32.
case_images: CRID2014-893980.003.jpg
case_images: PMC4248422_01_CRID2014-893980.003.jpg
case_images: fig3
case_images: The presence of separate canals was confirmed using different angulations (Figures 3, 4, and 5).
case_images: Radiograph showing two different instruments ("H" file and Reamer) in two canals in 41 and 42.
case_images: CRID2014-893980.004.jpg
case_images: PMC4248422_01_CRID2014-893980.004.jpg
case_images: fig4
case_images: The presence of separate canals was confirmed using different angulations (Figures 3, 4, and 5).
case_images: Radiograph showing two different instruments ("H" file and Reamer) in two canals in 41 and 42.
case_images: CRID2014-893980.005.jpg
case_images: PMC4248422_01_CRID2014-893980.005.jpg
case_images: fig5
case_images: The presence of separate canals was confirmed using different angulations (Figures 3, 4, and 5).
case_images: Radiograph showing obturation in two separate canals in 31 and 32.
case_images: CRID2014-893980.006.jpg
case_images: PMC4248422_01_CRID2014-893980.006.jpg
case_images: fig6
case_images: During the next visit after 8 days; all teeth were asymptomatic and obturation was done using lateral condensation technique (Figures 6, 7, and 8).
case_images: Radiograph showing obturation in two separate canals in 41 and 42.
case_images: CRID2014-893980.007.jpg
case_images: PMC4248422_01_CRID2014-893980.007.jpg
case_images: fig7
case_images: During the next visit after 8 days; all teeth were asymptomatic and obturation was done using lateral condensation technique (Figures 6, 7, and 8).
case_images: Radiograph showing obturation in two separate canals in 32 and 41.
case_images: CRID2014-893980.008.jpg
case_images: PMC4248422_01_CRID2014-893980.008.jpg
case_images: fig8
case_images: During the next visit after 8 days; all teeth were asymptomatic and obturation was done using lateral condensation technique (Figures 6, 7, and 8).