Following Marking Bur, a 4.8 mm Magic Drill is used to finish the osteotomy with difficulty because of hard bone and ineffective local anesthesia due to infection.  A 5x9 mm "dummy" implant is placed to determine the placement level relative to the distal crest (Fig.3 *).

9 mm Implant Last Next Xin Wei, DDS, PhD, MS 1st edition 10/04/2016, last revision 03/03/2019