Bone loss is more obvious with CBCT (Fig.3,4), in spite of apparently normal gingiva around the implant after removal of the abutment and crown (Fig.5).  Buccal (B) gingiva is soft and has easy access to the implant plateau.

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Xin Wei, DDS, PhD, MS 1st edition 04/12/2019, last revision 04/13/2019