Fig. 3

Right (a) and left (b) side of surgical guides using computer-aided design and computer-aided manufacturing. The upper part (blue) showed the location of upper margin for resection of the root of the zygoma and the location of the fossa component of stock TMJ prosthesis. The lower part (green) showed the location of lower margin for resection of the ankylosed condyle and several drill holes for screw fixation of the condyle component of stock TMJ prosthesis