Fig. 3

CT image slices of the orientation landmarks: Coronal CT image showing the right orbital OrR and left orbital OrL (a). Sagittal view showing right Porion PoR (b). Axial view showing anterior nasal spine ANS and posterior nasal spin PNS (c)
CT image slices of the orientation landmarks: Coronal CT image showing the right orbital OrR and left orbital OrL (a). Sagittal view showing right Porion PoR (b). Axial view showing anterior nasal spine ANS and posterior nasal spin PNS (c)