FRACTURAS LEFORT CLASIFICACION PDF

Le Fort fractures are fractures of the midface, which collectively involve separation of all or a portion of the midface from the skull base. In order to be separated from the skull base, the pterygoid plates of the sphenoid bone need to be involved as these connect the midface to the sphenoid bone dorsally. The Le Fort classification system attempts to distinguish according to the plane of injury. Any combination is possible. It should be noted that Le Fort fractures are often associated with other facial fractures, neuromuscular injury and dental avulsions.

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Le Fort fractures are fractures of the midface, which collectively involve separation of all or a portion of the midface from the skull base. In order to be separated from the skull base, the pterygoid plates of the sphenoid bone need to be involved as these connect the midface to the sphenoid bone dorsally.

The Le Fort classification system attempts to distinguish according to the plane of injury. Any combination is possible. It should be noted that Le Fort fractures are often associated with other facial fractures, neuromuscular injury and dental avulsions.

Le Fort conducted experiments on 35 cadavers inflicting varying facial trauma by dropping cannon balls and striking them with a bat. He would then boil the heads to remove soft tissue and record the results 4,5. Please Note: You can also scroll through stacks with your mouse wheel or the keyboard arrow keys. Updating… Please wait. Unable to process the form. Check for errors and try again. Thank you for updating your details. Log In. Sign Up. Log in Sign up. Articles Cases Courses Quiz.

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Section: Classifications. Support Radiopaedia and see fewer ads. Cases and figures. Figure 1: type I Figure 1: type I. Case 1: type I Case 1: type I. Case 2: type I Case 2: type I. Case 5: type I Case 5: type I. Case 6: type I Case 6: type I. Case 7: type I Case 7: type I. Loading more images Close Please Note: You can also scroll through stacks with your mouse wheel or the keyboard arrow keys.

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Le Fort fracture of skull

A Le Fort fracture of the skull is a classic transfacial fracture of the midface, involving the maxillary bone and surrounding structures in either a horizontal, pyramidal or transverse direction. The hallmark of Lefort fractures is traumatic pterygomaxillary separation , which signifies fractures between the pterygoid plates , horseshoe shaped bony protuberances which extend from the inferior margin of the maxilla , and the maxillary sinuses. Continuity of this structure is a keystone for stability of the midface, involvement of which impacts surgical management of trauma victims, as it requires fixation to a horizontal bar of the frontal bone. The pterygoid plates lie posterior to the upper dental row, or alveolar ridge, when viewing the face from an anterior view. Le Fort I — Slight swelling of the upper lip, ecchymosis is present in the buccal sulcus beneath each zygomatic arch, malocclusion, mobility of teeth. Impacted type of fractures may be almost immobile and it is only by grasping the maxillary teeth and applying a little firm pressure that a characteristic grate can be felt which is diagnostic of the fracture.

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Fractura de Le Fort

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