What is a Lefort type 1 fracture?

Le Fort I level fractures are essentially a separation of the hard palate from the upper maxilla due to a transverse fracture running through the maxilla and pterygoid plates at a level just above the floor of the nose.

What bones are included in a Lefort 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.

What are the 3 types of Le Fort fractures and its pattern of bony involvement?

These fractures are classified into three distinct groups based on the direction of the fracture: horizontal, pyramidal or transverse. The pterygoid plate is involved in all types of Le Fort fractures. This may result in a pterygomaxillary separation.

How do you assess Le Fort fracture?

Mobility of the midface may be tested by grasping the anterior alveolar arch and pulling forward while stabilizing the patient with the other hand. The level of a Le Fort fracture (ie, I, II, III) can often be determined by noting the structures of the midface that move in conjunction with the anterior maxilla.

What is Le Fort I surgery?

During the LeFort I surgery, the upper jaw (or maxilla) is separated from the rest of the face and repositioned. This repositioning of the bones of the face is also called orthognathic surgery. Once separated, the upper jaw can be moved up, down, forward, backward, tilted, or turned.

What is the cause of bleeding after Le Fort 1 fracture?

Bleeding that occurs after Le Fort I osteotomy appears mainly in the form of an epistaxis. An isolated epistaxis is caused by trauma from the nasal intubation process or by separation of the nasal mucosa from the nasal floor or septal area.

What is Bssro?

A Bilateral Sagittal Split Osteotomy (or BSSO) is a type of jaw surgery where the lower jaw is separated from the face and repositioned. This repositioning is also called orthognathic surgery.

What are the side effects of jaw surgery?

Risks

• Blood loss.
• Infection.
• Nerve injury.
• Jaw fracture.
• Relapse of the jaw to the original position.
• Problems with bite fit and jaw joint pain.
• Need for further surgery.
• Need for root canal therapy on selected teeth.

What is jaw surgery called?

Jaw surgery, also called orthognathic surgery, is surgery to fix your upper jaw (maxilla) and/or your lower jaw (mandible) when they don’t line up.

Why is LeFort done?

LeFort 1 osteotomy with horizontal advancement is used for the majority of patients to correct their malocclusion. This surgery is commonly performed in the last stages of treatment for patients with cleft lip and palate. They have significant class III malocclusion as well as a narrow dental arch and palatal collapse.

What is a Le Fort fracture?

Le Fort fractures typically involve the pterygoid plates of the sphenoid bones, which form the base of the skull, extending behind the eye and below the front part of the brain. The pterygoid plates are projections of the sphenoid bones and connect the midface to the sphenoid bones.

What is a Le Fort Type 1 tooth fracture?

In a Le Fort type I, the plane of injury is horizontal and typically results in a separation of the teeth from the upper face.

How do you fix a fort 1 fracture?

Le Fort I fractures may be accessed by a gingivobuccal sulcus incision, and fixed by reestablishing the midfacial buttresses using 1.5 to 2.0 mm L and J plates. To prevent the forces of mastication from disrupting the repair, emphasis must be put on placing the plates in the same direction as the forces of mastication [6].

What is the Le Fort classification of maxillary fracture?

Among the classification of maxillary fracture, the Le Fort classification is the best-known categorization. Le Fort (1901) completed experiments that determined the maxilla areas of structural weakness which he designated as the “lines of weakness”.