More ideally, the initial osteotomy should be planned correctly (Fig.16 (CT coronal section; B: buccal)) with sacrifice of the bone height. The implant would be 10 mm, instead of 11.5 mm. Sinus lift is imminent unless use of 8.5 mm one.
Xin Wei, DDS, PhD, MS 1st edition 08/27/2018, last revision 05/06/2019