Due to misinterpretation of drill sequence, osteotomy is overprepared in depth (1.5 to 3 mm).  When a 4x11 mm dummy implant is placed with > 50 Ncm (Fig.1,2), over placement is ignored. 

Over Placement Last Next

Xin Wei, DDS, PhD, MS 1st edition 08/23/2019, last revision 08/24/2019