The genioglossus is the largest muscle of the tongue, and attaches on the middle area on the inside of the lower jaw. Genioglossal advancement is performed for patients with obstructive sleep apnea. It captures this area of bony attachment and moves it forward. By moving it, the procedure creates more room for the tongue to relax during sleep without obstructing the throat. This results in an enlargement and stabilization of the airway.
An incision is made inside the lower lip. Once the central part of the lower jaw is exposed; small cuts are made below the lower front teeth to capture the area of attachment of the muscle. This rectangle of bone is moved forward and turned slightly. A small screw is used to hold the bone in place in the jawbone.
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