PA shows a large periapical radiolucent lesion associated with the mesiobuccal root (Fig.2 *).  It appears that the tooth is non-salvageable.  The roots of this tooth are widely furcated.  The septum should be large unless destroyed by infection.

Bone vs. Gingival Level Implants

Xin Wei, DDS, PhD, MS 1st edition 01/01/2015, last revision 01/01/2015