Two months later the patient returns for crown recementation.  When the abutment is reseated with the repaired crown, the seating is incomplete (Fig.15).  The abutment is completely seated when it is turned free hand with the flat surface of the abutment faces distal (Fig.16 D).  The screw is torqued 20 Ncm before reimpression.

Surgical Precision Last Next Xin Wei, DDS, PhD, MS 1st edition 01/16/2021, last revision 03/16/2021