After sinus lift with IS 4x10 mm dummy implant with guide, the tissue-level tap and implant placed free hand look deep (Fig.3,3').  In fact the trajectory of the tap and implant should have been checked with the guide reseated. 

Sloped Sinus Floor Last Next

Xin Wei, DDS, PhD, MS 1st edition 08/30/2019, last revision 09/01/2019