Le fort fracture classification :
Type 1 - Fracture line passes through the alveolar ridge, lateral nose and inferior wall of the maxillary sinus.
Type 2 - Fracture arch passes through the posterior alveolar ridge , lateral walls of maxillary sinuses, inferior orbital rim and nasal bones.
Type 3 - Transverse fracture line passes through the naso-frontal suture, maxillo-frontal suture, orbital wall, and zygomatic arch/ zygomatico-frontal suture.