In spite of effort to move the osteotomy distal, the osteotomy remains mesial and superficial (Fig.2 with 5 mm tap drill).  Previous osteotomy (yellow dashed line) seems to be close to the Inferior Alveolar Canal (red line).  It appears that there is 8.5 mm bone distal with ~ 2 mm clearance.

Long Implant Placed Deep Last Next

Xin Wei, DDS, PhD, MS 1st edition 06/26/2017, last revision 07/21/2018