Fig. 3From: Automatic classification of 3D positional relationship between mandibular third molar and inferior alveolar canal using a distance-aware networkExamples of axial image (left), segmentation mask (middle), and SDM (right) of the mandibular third molar and the canal. The demarcation line was observed radially in the signed distance map, and the difference in direction was observed when the mandibular canals traveled along the lingual side or buccal side of the M3Back to article page