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  Indian J Med Microbiol
 

Figure 1: (a) Preoperative radiograph of mandibular right first molar. (b) Working length radiograph with a file placed in each of the three mesial canals, three distal canals, and radix entomolaris. Arrow showing mid-distal canal. (c) Master cone placed in each of the seven root canals of mandibular right first molar. (d) Final obturation of the mandibular right first molar. Arrow showing mid-distal canal. (e) Postobturation radiograph (f) postobturation radiograph (distal angulation)

Figure  1: (a) Preoperative radiograph of mandibular right  first molar. (b) Working length radiograph with a file placed in each of the three mesial canals, three distal canals, and radix entomolaris. Arrow showing mid-distal canal. (c) Master cone placed in each of the seven root canals of mandibular right  first molar. (d) Final obturation of the mandibular right  first molar. Arrow showing mid-distal canal. (e) Postobturation radiograph  (f) postobturation radiograph  (distal angulation)