As planned, the fractured roots are removed by sectioning.  The septum has 3 struts (tripod, Fig.1 black *).  Osteotomy starts in the middle of the septum (white *).   In fact, it should be a little more distal so that the mesial wall will be less likely to break down.

Moderate Diameter Implant Next

Xin Wei, DDS, PhD, MS 1st edition 08/23/2015, last revision 08/25/2019