The gingiva at #11 looks greyish (Fig.21,22 ^), although there is no bone loss 3 years post cementation (Fig.23).  The discoloration is most likely related to crestal bone resorption, the buccally-placed implant and the metal-shade abutment.

1 and 2 piece Implants Last Next

Xin Wei, DDS, PhD, MS 1st edition 06/29/2018, last revision 08/05/2018