Place an implant that just passes the sinus floor for stability, e.g., 5-6x10 mm at #2 (Fig.3), but not too long into the sinus.  The implant should not be too large, either, to avoid touching the neighboring roots.

Lifter with PRF Last Next

Xin Wei, DDS, PhD, MS 1st edition 07/04/2018, last revision 07/04/2018