Also found in: Dictionary, Thesaurus, Legal, Financial, Encyclopedia, Wikipedia.
Related to LeFort fracture: Tripod fracture
LeFort fractureOrthopedics A bilateral fracture of the maxilla, which is divided into 3 types, defined by R LeFort in 1901
I Dentoalveolar dysjunction Fracture lines are transverse through the pyriform aperature above the alveolar ridge and pass posteriorly to the pterygoid region; the diagnosis is suggested by lip lacerations, clinical malocclusion, mobility of the fractures bone when the examiner moves the incisor teeth
II Pyramidal fracture Superior fracture lines are transverse through the nasal bone and/or maxillary articulation; diagnosis is suggested by free mobility of anterior maxilla
III Craniofacial dysjunction Central third of face is separated from base of skull; diagnosis is suggested by major facial edema, ecchymosis, and facile mobility of middle third of face by examiner; LeFort III is the most severe midfacial fracture, and may require open reduction and internal fixation Sabiston, Ed, Textbook of Surgery, 14 th ed, WB Saunders, 1991
A fracture usually involving more than one of the facial bones: maxillary, nasal, orbital, and/or zygomatic.Synonym: mid-face fracture
See also: fracture