The crown appears to turn with the underlying abutment (Fig.8).  After breaking proximal contacts, the crown/abutment is retightened and pick up impression is taken.  It is likely that the abutment was not seated right when abutment-level impression was taken.  The crown table is slightly oversized (Fig.8).

Undersized Drilling Last Next Xin Wei, DDS, PhD, MS 1st edition 08/07/2019, last revision 08/10/2019