What is anterior segmental osteotomy?

Anterior segmental osteotomy has become an established surgical technique to achieve functional occlusion and improve the facial profile in the treatment of maxillary protrusion. Postoperative nasal changes, however, are somewhat unpredictable.

What is a segmental osteotomy?

Segmental osteotomy is a surgical procedure which moves alveolar bone fragments of the teeth to improve skeletal malformation and malocclusion and is divided into anterior and posterior molar segmental osteotomy according to the location of operation [6, 7].

What is a Le Fort 1?

English Español. 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 Wassmund technique?

Wassmund technique [4]—complete tunneling of mucoperiosteum both labially and palatally through two labial vertical incisions—was performed. The palatal bone was sectioned transversely from the vertical osteotomy site to the contralateral side.

What is distraction surgery?

Distraction osteogenesis is a technique in orthognathic surgery that expands or stretches bone in the jaw. Simply stated, distraction osteogenesis means the slow movement apart of two bony segments which allows new bone to fill in the gap created by the bony segments.

What is a 2 piece Lefort?

The 2-piece Le Fort I maxillary osteotomy begins with an incision placed just lateral to the uvula and carried anteriorly in the midline on to the hard palate ending just lateral to the midline dental gingival papillae (Fig 1). The incision of the soft palate is carried through the full thickness on the nasal side.

What is the difference between LeFort 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 are the types of osteotomy?

There are two types of osteotomy—opening wedge and closing wedge. After surgery, most people do not need to limit their physical activity once they heal from the procedure.

When is osteotomy used?

An osteotomy is any surgery that cuts and reshapes your bones. You may need this type of procedure to repair a damaged joint. It’s also used to shorten or lengthen a deformed bone that doesn’t line up with a joint like it should. You don’t need to be very sick or old to have an osteotomy.