A 3.7 mm drill has to be used for 12 mm before placement of a 4.5x11.5 mm implant with >35 Ncm (Fig.5).  A 5.5x5(3) mm abutment is placed with allograft (<) placed around the implant.  Following suturing, periodontal dressing is applied around the implant.  The abutment dislodges 3 months postop (Fig.6).  Crown is delivered 3 weeks later.  The abutment screw is retightened ~ 2 months later.

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Xin Wei, DDS, PhD, MS 1st edition 06/08/2017, last revision 09/04/2019