The BIO | Zygo system is designed to have prosthetic components to hermetically seal the restorative interface.  Zero bone loss goal.  For healing abutments which are designed to be removed (and still prevent bone loss).  Only finger pressure on the thumb wheel should be used to place the healing abutment. Do not use a torque wrench.  The inside of the implant must be flushed out before placing the healing abutment.