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  Indian J Med Microbiol
 

Figure 1: CBCT images in axial view (a) mandibular first premolar with one canal, (b) mandibular premolar with one large canal, (c) mandibular premolar with two root canals and cortical bone destruction due to periapical lesion, (d) mandibular premolars with three root canals, (e) coronal view of a mandibular second premolar with periapical lesion, (f) sagittal view of a mandibular second premolar with periapical lesion.

Figure 1: CBCT images in axial view (a) mandibular first premolar with one canal, (b) mandibular premolar with one large canal, (c) mandibular premolar with two root canals and cortical bone destruction due to periapical lesion, (d) mandibular premolars with three root canals, (e) coronal view of a mandibular second premolar with periapical lesion, (f) sagittal view of a mandibular second premolar with periapical lesion.