The patient reports pain after cementation, which is less when the abutment screw is loose (9.5 months postop, 2 weeks post cementation).  CBCT taken after placement of a healing screw apparently shows loose bone mesial and distal to the implant (Fig.11 *).  The implant trajectory is less favorable.  It seems necessary to change to a large implant with more sold threads (Fig.12).

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Xin Wei, DDS, PhD, MS 1st edition 03/28/2018, last revision 04/18/2018