Limited bone height at #13 (Fig.3 arrowheads: sinus floor) is found when initial drills are in place (Fig.2,3): 2 mm (17 mm from gingival margin) at #10, 1.5 mm (10 mm from the crest) at #11 and 12 and 1.2 mm (10 mm from the crest) at #13.
1-Piece Implants for Maxilla Last Next
Xin Wei, DDS, PhD, MS 1st edition 09/27/2015, last revision 02/09/2021