Initial osteotomy at #29-30 shows that there is clearance at #31, but not at #30 (Fig.1 (red dashed line: the superior border of the Inferior Alveolar Canal)).  There is more pain associated with osteotomy at #30 than #31.  More due to finance, implant placement at #30 is abandoned.

Uneven Bone Last Next Xin Wei, DDS, PhD, MS 1st edition 03/30/2017, last revision 06/16/2019