Immediate postop, the abutment margin appears to be subcrestal (biologic width violation, Fig.5). The gingiva bleeds easily when the provisional is removed 2 weeks and 3.5 months postop. It is difficult to insert gingival retraction cords. When an abutment with longer cuff is placed, the packing is easier (Fig.7 (^: resorbed mesial crest)). *: bone graft. The mesial socket gap (Fig.5: <) disappears 3.5 months postop (Fig.7).
Xin Wei, DDS, PhD, MS 1st edition 11/06/2020, last revision 11/06/2020