Abstract: An anti-rotational abutment screw cap includes a generally cylindrical-shaped body, the cylindrical-shaped body having a socket-end portion and an insert-end portion; a blind recess socket located on an end of the socket-end portion for receiving a torque wrench driver, the blind recess socket having an interior configuration; a retentive edge formed above and around the blind recess socket for engaging prosthetic cement; an insert key protruding from an end of the insert-end portion for engaging a head opening of an abutment screw, the insert key having an exterior configuration which generally mating with the interior configuration of the blind recess socket.