After further placement of the implant, a straight abutment (4.5x5(3) mm) is placed (Fig.4); peri-implant space (Fig.3 *) has been closed with allograft and Osteogen.  Later the peri-abutment space is filled with bone graft.

Peri-implant gaps appear to remain to be closed by more organized bone 3.5 months postop (Fig.5 arrowheads). There is minimal bone loss 1 year 8 months post cementation (Fig.13,14).  The bone density around the most coronal threads increases 2 years 8 months post cementation (Fig.15 *).

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Xin Wei, DDS, PhD, MS 1st edition 08/12/2016, last revision 05/25/2019