Immediately preop PA shows that the length of the residual root of the lower left 2nd bicuspid is ~13 mm (Fig.1).  The corresponding immediate implant can be 12 or 14 mm in length.  There is ~ 5 mm to the Inferior Alveolar Canal (IAC: red dashed line).  Osteotomy (to be shown next) is initiated in the lingual wall of the socket (S) after extraction.  The 1st intraop PA is taken with a parallel pin (Fig.2).

Bone density of this patient is high.

Mental Loop

Xin Wei, DDS, PhD, MS 1st edition 03/20/2015, last revision 03/21/2015