Fig.11: 5.5 months postop. 

It appears that the coronal portion of the buccal plate is resorbed 12 months postop (6 months post cementation, Fig.12 >).  Socket shield or smaller diameter implant should have been done to avoid bone loss, especially for thin tissue type.

Subcrestal Placement Last Next Xin Wei, DDS, PhD, MS 1st edition 05/22/2017, last revision 01/01/2019