Then one more PRF membrane and allograft are placed before inserting 4.5x11 mm dummy implant.  Finally a 5x9 mm IBS implant is placed with ~ 35 Ncm (Fig.2).

The PA is taken with less angulation than the previous one.  The separation between the buccal plate with exostosis and the lingual plate is less.  The threads of the two neighboring implants are more distinct.

Sinus Floor Thickens after Neighboring Implant

Xin Wei, DDS, PhD, MS 1st edition 05/19/2017, last revision 05/19/2017