Airway: Sleep apnea often associated with airway obstruction. Widening palate may help if obstruction is in nasal/oral cavities. If the obstruction is in your throat, palatal expansion will not be of benefit. See an orthodontic specialist for evaluation of your overbite, palatal width, airway, and the rest of your dent-facial structures. Referral to an ENT may be advisable.
Answered 10/4/2016
4.7k views
Difficult to answer: Many sleep apnea devices work by advancing the lower jaw to open up the airway, but if it is poor muscle tone in the soft palate or uvula which is causing blockage of the airway, there may only be limited success with lower jaw repositioning. Expanding the upper jaw will improve the jaw position over time but it is difficult to say if that will correct sleep apnea.
Answered 11/22/2013
4.7k views
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