What is Le Fort II fracture?
What is Le Fort II fracture?
Le Fort Type II These fractures extend superiorly in the midface to include the nasal bridge, maxilla, lacrimal bones, orbital floor, and rim. They are pyramidal fractures with teeth at the base and nasal bone at the apex. These fractures are typically bilateral.
What is the difference between Le Fort 1 2 and 3?
Le Fort I is a floating palate (horizontal) Le Fort II is a floating maxilla (pyramidal) Le Fort III is a floating face (transverse)
What is Le Fort 2 osteotomy?
The Le Fort II osteotomy is a procedure that can simultaneously correct nasal and occlusal deformities, leading to improvements in a patient’s oral function and facial aesthetics. Despite its potential to correct nasomaxillary deformities, this procedure is rarely performed.
What is Le Fort fracture classification?
The classification of Le Fort fractures is based on the plane of injury: type I is a horizontal injury, type II is a pyramidal injury, and type III is a very extensive transverse injury that often results in a craniofacial dislocation.
What causes a Le Fort fracture?
LeFort fractures most frequently result from high-speed deceleration crashes in which the midface or maxilla strike a stationary object (dashboard, pavement). These injuries may also be produced by striking the face with a rigid object (tire iron, baseball bat).
How is Le Fort diagnosed?
Practical points
- fracture of the pterygoid plates is mandatory to diagnose Le Fort fractures.
- anterolateral margin of the nasal fossa involvement.
- inferior orbital rim involvement.
- zygomatic arch involvement.
- nasofrontal suture involvement indicates either a type II or III fracture.
What bones are included in a Le Fort 1 fracture?
Bones fractured in a Le Fort I fracture include the lower nasal septum, the inferior portion of the pyriform apertures, the canine fossae, both zygomaticomaxillary buttresses, the posterior maxillary walls, and the pterygoid plates.
How long does LeFort surgery take?
The length of surgery depends on upon the complexity of the case. Routine surgery on one jaw typically takes one to two hours. Surgery that involves multiple procedures may take as long as three to five hours.
What is a 3 piece LeFort?
LeFort 3 distraction is surgery to reposition the cheek bones, orbits and upper jaw. “Distraction” means the bones are moves slowly over several weeks, in order to achieve a larger movement and less relapse.
What is a Le Fort 3 fracture?
LeFort III fractures result in craniofacial disjunction. This is the highest level LeFort fracture and essentially separates the maxilla from the skull base.
What are the 3 most common causes of Le Fort fractures?
Le Fort fractures constitute a pattern of complex facial injury that occurs secondary to blunt facial trauma. The most common mechanisms of injury for these fractures, which are frequently associated with drug and alcohol use, include motor vehicle collisions, assault, and falls.
How can you tell the difference between Le Fort 2 and 3?
Le Fort II is a floating maxilla (pyramidal) Le Fort III is a floating face (transverse)
What are the symptoms of a Lefort II fracture?
Symptoms. There is usually dental malocclusion and complications such as airway obstruction may arise if the fractured segment gets displaced in posterior and downward direction, impinging on the dorsum of the tongue. Few patients with LeFort II fractures may present with bilateral bleeding form the nose and difficulty in speech and jaw movements.
What type of force is responsible for Lefort II fracture?
A force at downward direction at the nose level is also capable of producing LeFort II fracture. The fracture is generally pyramidal in shape and the area of application of the force is larger.
What is a Le Fort II fracture of the nose?
The Le Fort II fracture is also referred to as a pyramidal fracture. It commonly extends from the pterygoid plate through the maxilla, through the nasal orbital ethmoid area, and nasofrontal bone.
What are the possible complications of a Le Fort II fracture?
Severe bleeding and/or CSF leakage may accompany Le Fort fractures and affect the treatment and outcome. It should be recognized that Le Fort II fractures involve the orbit. Basic assessment of visual acuity is mandatory in the conscious patient.