When a 4.5x9 mm implant is placed, the insertion torque is actually reduced (<35 Ncm, Fig.4,5D).   After 3.3 mm MD, a 4x11 mm implant is placed at #5 with insertion torque > 50 Ncm.  There is no apparent bone loss 1 years 5 months postop (Fig.7).

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Xin Wei, DDS, PhD, MS 1st edition 08/03/2017, last revision 09/01/2018