The initial depth of the osteotomy at #8 is 20 mm (Fig.2).  When a 3.8x15 mm UF implant is placed, it is deviated palatally with insertion torque of 20 Ncm (Fig.3).  It becomes loose when an abutment is placed.

Larger Implant for Primary Stability

Xin Wei, DDS, PhD, MS 1st edition 08/24/2017, last revision 01/19/2018