Diagnosis of Obstructive Sleep Apnoea
A significant proportion of people who snore regularly may have obstructive sleep apnoea (OSA). Since OSA is a medical condition with potentially serious health implications, it is important that diagnosis is confirmed with a sleep study. A diagnostic sleep study is the only way to accurately confirm OSA.
Treatment Options for OSA
The gold standard treatment for moderate to severe OSA is a CPAP (Continuous Positive Airway Pressure) machine. However, some people find CPAP difficult to tolerate.
For individuals with snoring or mild to moderate OSA, or for those unable to tolerate CPAP, an oral appliance may be considered. These appliances are worn in the mouth during sleep and work by repositioning the jaw to help keep the airway open.
Scientific studies show that oral appliance therapy can reduce snoring and improve sleep apnoea symptoms for many people. However, results can vary depending on factors such as:
- Nasal obstruction
- Jaw position or structure
- Airway size and shape
- Body weight
Because each person’s situation is unique, oral appliances may not be effective for everyone. Your dentist and sleep physician will work together to assess suitability.
Possible Side Effects
Most side effects of oral appliance therapy are temporary and usually improve after a few weeks. These may include:
- Excessive salivation or dry mouth
- Sore jaw muscles or joints
- Tooth or gum discomfort
It is rare for oral appliances to affect well-fitted crowns, bridges, or dental work.
Ongoing Monitoring
- An initial review is usually recommended 4–6 weeks after receiving the appliance.
- Regular 12-month follow-up visits are important to:
- Check for bite changes
- Monitor jaw joint health
- Assess appliance wear and fit
- A follow-up sleep study may be recommended by your sleep physician to objectively measure how effective the appliance has been.
Key Takeaway
If you suffer from snoring or have been diagnosed with sleep apnoea, an oral appliance may be an option worth exploring. The most appropriate treatment depends on the severity of your condition and your individual needs.


Disclaimer: The information provided here is general in nature and should not be taken as individual medical or dental advice. Suitability for oral appliance therapy varies from person to person and depends on a thorough assessment. Please consult with a qualified dental or medical professional to determine the best treatment for your situation.
Written by Dr Erika Guerra (Dentist) | AHPRA Registration Number: DEN0001411499
