Small mouth does not allow us to use #2 sensor.  The sensor #1 does not show the Inferior Alveolar Canal (IAC) apical to the affected tooth (#30 in Fig.1).  The PA was taken 4.5 years ago.

Warning Sign for Paresthesia

Xin Wei, DDS, PhD, MS 1st edition 11/22/2014, last revision 03/28/2015