More allograft (Fig.4 *) is lifted while a 5.9x6 mm submerged implant (I) is placed with insertion torque ~ 55 Ncm.

The bone around the apex of the implant appears to have undergone remodeling 4 months postop (Fig.6).

Sinus Lift Using Trephine Bur

Xin Wei, DDS, PhD, MS 1st edition 09/02/2015, last revision 01/08/2016