In fact a 4.5x4(3) mm cemented abutment is incompletely seated with a gap (<), probably due to interference from the mesial crest.  A profile drill should have been used.  There is foul smell from the immediate provisional; in fact it may be due to the loose contact between the implant and abutment (Fig.4 < (4 months postop)).  The gingiva is unhealthy.  A 5.5x5 mm healing abutment is placed.

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Xin Wei, DDS, PhD, MS 1st edition 12/05/2019, last revision 01/07/2020