The initial osteotomy is established in the palatal slope at #6 (Fig.5 circle) with 1.5 mm drill (Fig.6). A portion of the root is visible (arrowheads). A 1.2 mm drill is at the site of #7.
Xin Wei, DDS, PhD, MS 1st edition 01/06/2017, last revision 03/04/2020