If you have been diagnosed with Obstructive Sleep Apnoea (OSA), you are likely facing a choice between Continuous Positive Airway Pressure (CPAP) therapy and an Oral Appliance. Both are effective treatments, but they work in very different ways and have distinct pros and cons.
What Is It?
CPAP involves wearing a mask over the nose and/or mouth during sleep, connected to a machine that delivers a constant stream of air pressure to keep the airway from collapsing. An Oral Appliance, or Mandibular Advancement Device (MAD), is a custom-fitted dental device worn during sleep that gently holds the lower jaw forward, preventing the tongue and soft tissues from blocking the airway.
Why Does It Matter?
Treating OSA is critical for reducing the risk of heart disease, stroke, and daytime fatigue. Finding a treatment that you can comfortably use every night is the key to successful management.
Diagnosis & Assessment
The choice of treatment should always follow a formal diagnosis from a sleep physician, typically involving a home sleep test or in-clinic polysomnography.
Benefits
- Both treatments effectively reduce apnoea events and snoring.
- Improved sleep quality and daytime alertness.
- Lower risk of cardiovascular complications.
Risks & Limitations
- CPAP compliance is a major issue for many patients.
- Oral appliances require healthy teeth and jaw joints to anchor the device.
Pros and Cons of CPAP
Pros: Highly effective for all levels of OSA, especially severe cases. It provides immediate relief and allows for precise pressure adjustments.
Cons: Can be uncomfortable or claustrophobic. Some patients experience dry mouth, skin irritation, or difficulty sleeping with the noise of the machine. It is also less convenient for travel.
Pros and Cons of Oral Appliances
Pros: Comfortable, silent, and easy to wear. They do not require electricity, making them ideal for travel. Patient compliance is generally much higher than with CPAP.
Cons: Typically recommended for mild to moderate OSA, not severe cases. May cause temporary jaw discomfort or changes in bite over time, requiring monitoring by a dentist.


