Fig. 2

Linear and angular measurements of the glenoid fossa and condyle. Sagittal view of the glenoid fossa (a, b) and axial view of the condyle (c). a Method A. A reference line was drawn between the postglenoid process (A) and the apex of the articular eminence (B). Fossa depth (CD, orange) was measured from the deepest point of the fossa (D) to the reference line. Fossa length (AB, red) was measured along the reference line. The fossa-eminence inclination angle (ABD, red) was measured between the reference line and the deepest point of the fossa. b Method B. The depth of the glenoid fossa (BE, green) was measured from the apex of the articular eminence (B) to a horizontal line through the upper border of the external auditory canal (F) and the deepest point of the fossa (D). A fossa-eminence inclination angle (EDB, yellow) between the horizontal line and a line from the deepest point of the glenoid fossa to the apex of the articular eminence was constructed (according to reference [37]). c Anteroposterior (GH, violet) and mesiolateral (IJ, blue) diameter of the condyle