One way to restore the upper right quadrant is to place 3 short implants (7.3 or 8.5 mm) with guide with simultaneous internal or external sinus lift (Fig.2-4).  Upper right: CT 3D image; Upper Left: axial section; Lower Right: saggital section; Lower Left: coronal section.  B: buccal.

Sinus Lift Last Next Xin Wei, DDS, PhD, MS 1st edition 01/11/2019, last revision 01/12/2019