|
|
To prevent the abutment screw re-loosening (turning) in function, a screw driver (Fig.14 D) will be buried inside the crown/abutment after the screw is retightened. Make sure that the driver is in the middle of the access hole.
Xin Wei, DDS, PhD, MS 1st edition 02/25/2019, last revision 03/03/2019