To prevent low primary stability, osteotomy should be under prep, since the implant (red circle) contacts only two bony surfaces, i.e., the mesial (M) and distal (D) walls of the mesial socket (Fig.4 (occlusal view) black oval).  There are gaps buccally (B) and lingually (L).

Change to Healing Screw Last Next

Xin Wei, DDS, PhD, MS 1st edition 12/27/2017, last revision 08/23/2018