What is visor osteotomy?

What is visor osteotomy?

The visor osteotomy is performed from canine to canine. The bone fragment pedicled to the lingual periosteum is coronally mobilized and fixed in the new position. Preserved vascularization is supposed to minimize the amount of bone resorbed.

Does jaw surgery leave scars?

SCARS: Corrective jaw surgery is generally performed entirely inside the mouth; therefore, no external scars are produced. Occasionally, a very small (less that ½ inch) neck incision is required for placement of jaw screws to stabilize bone fragments.

What kind of surgery is bilateral Sagittal Split Osteotomy?

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. The virtual patient in the CIVA demonstration has a protruding jaw which will be set back using a BSSO.

How is the lower jaw moved after a split?

Once the bones are separated on both sides, the lower jaw can be moved into its new position. If the lower jaw is set back, a small strip of bone may have to be removed. The lower jaw is securely fixed into its new position using screws or a combination of plates and screws.

Can a jaw be set forward with a BSSO?

The virtual patient in the CIVA demonstration has a protruding jaw which will be set back using a BSSO. In other cases, the jaw can be set forward (if it is too far back) or set straight (if tilted to one side). This surgery is performed entirely inside the mouth so there is no visible scar on the face.

How are bone separators used to split the jaw?

Through the cut bone edges, bone separators called “osteotomes” are used to split the jaw. Once the bones are separated on both sides, the lower jaw can be moved into its new position. If the lower jaw is set back, a small strip of bone may have to be removed.

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