CIA Scanning Abutment Range External Hex Range CIA-EX-34 The above CIA abutments, for Externally Hexed Implants, all use 3 Series prosthetic screws. Uses TS-L-18 / GS-L-18 / TS-L-18C prosthetic screws Uses TS-L-20 / GS-L-20 / TS-L-20C prosthetic screws Internal Octagon (IT) Range Internal Hex Range (M-Series / PROVATA) Standard interface Uses TSIT2 / GSIT2 prosthetic screws Wide interface Uses TS-Z-18 / GS-Q-18 prosthetic screws Note: Not to be used with Cerec 1 and Cerec 2 Images are for illustration purposes only and do not necessarily accurately represent the product. Not all products are cleared for sale in all countries.