After placement of a 5x9 mm FC implant (~40 Ncm) at #31 and 6 mm bone profile drill, a 5.5x4(2) mm abutment is incompletely seated (Fig.5 <) and later is changed to a 4.5x1 mm temporary abutment (Fig.6, 8 T).  Bone graft is placed around the implant before placement of the cemented abutment.

Osteotomy involving 4 mm cortical drill at #29 is related to <10 Ncm insertion torque of a 4x11 mm implant; a healing screw is placed (S).  After removing the torus and placement of bone graft and collagen plug (*), the lingual flap is sutured in place without tension because of the torus resection (Fig.7 *).  Use of 9 mm bone trimmer a little deeper creates a funnel on the top of the implant at #29.

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Xin Wei, DDS, PhD, MS 1st edition 01/28/2020, last revision 01/28/2020