Oral Appliances for Sleep Apnoea: A CPAP Alternative

When people are told they have obstructive sleep apnoea, the conversation often jumps straight to CPAP, which is a mask worn over the nose and mouth that delivers pressurised air to keep the airway open. CPAP works, but it is not comfortable enough for everyone. For many people, an oral appliance offers an equally evidence-based alternative that is simpler, quieter, and far easier to travel with.

What is an oral appliance?

An oral appliance for sleep apnoea is a custom-made device worn in the mouth during sleep, similar in appearance to a mouthguard or orthodontic retainer. It works by gently repositioning the lower jaw forward, which in turn moves the tongue and soft tissues away from the back of the throat. This opens the airway and reduces or eliminates the collapse that causes obstructive sleep apnoea and snoring.

Why does the airway collapse during sleep?

During sleep, the muscles throughout the body relax — including those that support the tongue, soft palate, and throat. In people with obstructive sleep apnoea, this relaxation allows the airway to narrow or close completely. Breathing stops, sometimes hundreds of times a night, and the brain partially wakes each time to restore airflow. Most people have no memory of this happening, but the result is disturbed, unrefreshing sleep and a significant strain on the cardiovascular system.

By advancing the jaw position, an oral appliance physically prevents airway collapse from occurring.

Who is an oral appliance suited for?

Oral appliances are most effective for:

-          Mild to moderate obstructive sleep apnoea

-          Individuals who snore without a formal sleep apnoea diagnosis

-          People who have tried CPAP and found it difficult to tolerate

-          Those who travel frequently and need a portable, low-maintenance solution

-          Patients who prefer not to sleep with a mask and hose

For severe sleep apnoea, oral appliances may still be appropriate in some cases, particularly when CPAP cannot be tolerated. This is assessed on an individual basis.

What does treatment involve at POMDSC?

At Perth Oral Medicine and Dental Sleep Centre, every oral appliance is custom-designed using the latest intraoral scanning technology. There are no messy impressions of the teeth, rather a digital scan is taken, and the appliance is 3D printed for a precise, comfortable fit.

The appliance is calibrated over a series of review appointments, advancing the jaw incrementally until the optimal position is reached. This titration process is important. Too little advancement and the airway remains compromised; too much and jaw discomfort can result. Getting this right is what distinguishes a properly managed oral appliance from an over-the-counter device.

Ongoing monitoring ensures the treatment continues to work and that the teeth and jaw joints remain unaffected over time.

How does it compare to CPAP?

CPAP remains the gold standard for severe sleep apnoea and is effective when used consistently. Oral appliances are not a replacement for CPAP in all cases, but research consistently shows they are effective for mild to moderate OSA and preferred by most patients — a device that is worn every night outperforms one that apparently works but is not comfortable enough to use every night.

For patients who have been prescribed CPAP but struggle to use it, an oral appliance assessment is a worthwhile next step rather than abandoning treatment altogether. In many cases, untreated sleep apnoea is associated with significant risk for heart disease, blood pressure, stroke, motor vehicle and work place accidents.

When should you seek help?

If you snore, wake unrefreshed, feel excessively tired during the day, or have been told you stop breathing during sleep, speak to your GP or dentist about a referral. A sleep study is usually the starting point to confirm a diagnosis, after which an oral appliance assessment can be arranged.

A referral to our practice is all you need to get started.

Better sleep does not always require a CPAP machine. For many people, the solution may fit in the palm of their hand.

To learn more call us on (08) 9376 6789.

IMPORTANT: This content is for general information purposes only. It does not constitute medical or dental advice. Readers should consult a qualified health professional regarding any personal health concerns