The socket at #18 is large, shallow (Fig.2) and not healing.  After debridement, bone graft will be placed, followed by 6 month membrane.  Space maintenance will be installed for periodontal dressing stability.  Prepare PRF if the vein is large enough.

Spacer III Last Next Xin Wei, DDS, PhD, MS 1st edition 04/27/2019, last revision 04/27/2019