When 2.5x14 mm 1-piece implant is placed at #7, there appears to be cortical bone at the crest (Fig.2 *).  Five months postop, the cortex seems to disappear (Fig.6 *).

1-Piece Implants Last Next Fig.7

Xin Wei, DDS, PhD, MS 1st edition 02/22/2016, last revision 08/05/2018