Classification Description Notes
Type 1 Transverse fracture through the maxillary sinuses, lower nasal septum, pterygoid plates Direct horizontal impact to the upper jaw
Type 2 Oblique fracture crossing zygomaticomaxillary suture, inferior orbital rim, nasal bridge Direct impact to the central midface
Type 3 Fracture above the zygomatic arch, through the lateral and medial orbital walls and nasofrontal suture Craniofacial dissociation



Hopper, R. A., et al. (2006). “Diagnosis of Midface Fractures with CT: What the Surgeon Needs to Know.” Radiographics 26(3): 783-793.

Mehta, N., et al. (2012). “The imaging of maxillofacial trauma and its pertinence to surgical intervention.” Radiol Clin North Am 50(1): 43-57.