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How do oral appliances work?

The main way that oral appliances work is by preventing the tissues at the back of the throat and the base of the tongue from collapsing back into the airway. An oral appliance holds the lower jaw a little forward which results in a significant increase in the size of the airway at the back of the tongue and palate, sufficient to prevent snoring and allow for a refreshing sleep. Custom made oral appliances fitted by a dentist allows for greater comfort and fine tuning to find the optimal position of the jaw that overcomes the snoring and sleep apnoea.

Diagram of normal airway and normal breathing

Diagram of sleep apnoea. The lower jaw, palate and tongue drop back causing airway obstruction.

Diagram of normal airway. The oral appliance holds the jaw forward keeping the airway open.

Benefits of oral appliances:

  • Proven to be 95% effective in overcoming snoring
  • Reduces the risk of serious medical conditions including heart disease, stroke, high blood pressure, and diabetes
  • Enjoy a better nights rest, waking up refreshed and energised
  • Comfortable and easy to use
  • Convenient when travelling

Happy person who no longer has sleep apnoea

Effectiveness of oral appliances

Custom made oral appliances have been proven in studies to be 95% effective in overcoming problematic snoring. Oral appliances are now widely regarded as an effective front line treatment for sleep apnoea and are far more comfortable than a CPAP machine with significantly greater compliance. Learn more about the various oral appliances available.

Happy couple sleeping with no snoring


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