There is no sign of sinus membrane perforation after the last tap (7x17 mm) is removed. Insertion torque of a 7x17 mm tissue-level implant is in the neighborhood of 60 Ncm (Fig.3). ^: sinus floor.
There is minimal bone loss around the implant 3 months postop (Fig.5).
Xin Wei, DDS, PhD, MS 1st edition 06/17/2015, last revision 10/10/2015