The abutment should have been changed to the one with longer cuff (4 or 5 mm vs. 3 mm, Fig.14)).  The labial margin should be trimmed more apically with a large diameter (Fig.15 white line).

Repair Buccal Defect Internally Last Next

Xin Wei, DDS, PhD, MS 1st edition 10/15/2016, last revision 09/01/2018