Ideally the undercuts (Fig.2 *) of the extraction socket (black area) should be identified.  Place bone graft in the undercuts (Fig.3 red circles) after osteotomy (white outlines) and before implant placement!

Graft 1st   Last   Next

Xin Wei, DDS, PhD, MS 1st edition 11/21/2019, last revision 01/02/2020