Hexa abutment 6.5x5.5(4) mm is placed (Fig.8), but due to the undercut distal to the tooth #20 (*), an angled abutment (4.5x15 degree 2 mm cuff) is used before final impression.

Implant 2nd Placement with Further Bone Graft Last Next

Xin Wei, DDS, PhD, MS 1st edition 11/16/2016, last revision 07/10/2019