Without the sensor holder, the #2 sensor with rounded corners has no problem showing the Inferior Alveolar Canal (Fig.4 red dashed line).

The surgical stent helps establish osteotomy trajectory and position.  4.1x12 and 4.5x12 mm drills are at the sites of #31 and 30, respectively.

Enough Height

Xin Wei, DDS, PhD, MS 1st edition 12/13/2016, last revision 12/13/2016