Trajectory of sinus lift without guide at #14 is off (Fig.1 (Magic Sinus Lifter (L) for 9 mm (gingival level)) and needs to be corrected (Fig.2 long line) by re-using 4.8 mm Magic Drill.

Sinus Lift without Guide Next Xin Wei, DDS, PhD, MS 1st edition 07/17/2018, last revision 07/17/2018