| 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 |
References:
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.