In fact the implant is found to be unstable 4.5 months postop (Fig.8,9).  It may be due to overload (supraocclusion to unlock uprighting of #15).

Reduced B-P Width Post Socket Preservation Course 2 3 4

Xin Wei, DDS, PhD, MS 1st edition 03/02/2018, last revision 04/08/2018