The wound has apparently healed when the dressing is removed (Fig.9).  It appears that the edentulous space is extremely wide.  The 4.5 mm implant may not sustain masticatory force.   The healing abutment is 8 mm in diameter.

Atrophic Ridge

Xin Wei, DDS, PhD, MS 1st edition 04/15/2015, last revision 04/15/2015