With the final implant (4.5x10 mm, Fig.4) being placed deeper to close the apical space, the cuff of the final abutment increases by 1 mm.  Autogenous bone is used to pack around the implant distobuccally (*).  Although the implant seems to be placed significantly apical to the lingual crest (^), it is at the buccal crest.

Buccal Crest Level Last Next Xin Wei, DDS, PhD, MS 1st edition 12/22/2017, last revision 09/02/2018