case_images: PMC4254077_01
case_images: Working length radiograph showing three MB canals. MB3 joining the MB2 at middle third.
case_images: CRID2014-320196.001.jpg
case_images: PMC4254077_01_CRID2014-320196.001.jpg
case_images: fig1
case_images: Digital radiovisiograph (Kodak RVG system) at 20 degree angulation revealed that MB1 and MB2 canals merged in the apical third (Figure 1).
case_images: Postobturation radiograph showing all 3 MB canals exiting as single canal.
case_images: CRID2014-320196.002.jpg
case_images: PMC4254077_01_CRID2014-320196.002.jpg
case_images: fig2
case_images: A postobturation radiograph was obtained (Figure 2).