Fig. 4From: Diagnostic ability of limited volume cone beam computed tomography with small voxel size in identifying the superior and inferior walls of the mandibular canalCross-sectional images of areas 1–3 of a 39-year-old female. The visibility ratios for the superior wall in areas 1, 2, and 3 were 0.2, 0.9, and 0.9, respectively, whereas those of the inferior wall were 0.7, 0.9, and 1.0, respectivelyBack to article page