Continuous Open Airway Therapy

Continuous Open Airway Therapy (COAT) is a sleep apnea oral appliance dental device from SomnoMed, SomnoDent.

The SomnoMed SomnoDent family includes the Fusion, Flex, Classic, G2, Herbst Advance, Herbst, and Air.  Some of the devices are Medicare approved as E0486. They are FDA 510k cleared Class II medical devices.

Sleep apnea oral devices like Continuous Open Airway Therapy (COAT)  by SomnoMed’s SomnoDent work by advancing the mandible forward. This increases the diameter of the airway,  reducing air resistance which leads to sleep apnea and snoring.

Continuous Open Airway Therapy SomnoDent
Continuous Open Airway Therapy SomnoDent

Oral appliances for sleep apnea are often used as an alternative sleep apnea treatment to CPAP or upper airway sleep apnea surgery. It is often used in addition to conservative treatment options like weight loss if the individual is overweight.

Sleep apnea devices like COAT are usually ordered by a physician and created by a dentist and dental lab. Sleep dentists have experience working with sleep apnea dental devices and personalizing dental sleep apnea treatment based on the individual’s medical and dental history.

SomnoMed is an international Australian-based medical device company that offers SomnoDent (Continuous Open Airway Therapy) COAT.  SomnoMed was founded in 2004 and is a publicly traded company.


SomnoMed SomnoDent - Continuous Open Airway Therapy COAT
SomnoMed SomnoDent – Continuous Open Airway Therapy COAT



Patient comfort – Eighty eight percent of users reported regular use of “Continuous Open Airway Therapy” SomnoDent device –  Patients are able to move mouth open and close with oral appliance in place, as well as talk.

Quality – The device is FDA (U.S. Food and Drug Administration) 510(k) cleared and is created in an accredited location.  It is formed with highest quality acrylic materials. The units’ life expectancy is three to five years.

Compliance recording – The first and only dorsal fin dental device with a computerized recorder that measures and tracks compliance information.  Total hours of use can be measured.

Clinically Proven – Fifteen scientific studies have demonstrated the oral appliance clinical benefits. Ninety one percent of patients stated improvement in sleep quality with the SomnoMed SomnoDent Continuous Open Airway Therapy (COAT).

Sleep apnea oral appliances and dental devices are approved medical treatment options for mild to moderate obstructive sleep apnea. They are also considered for treatment of OSA patients with severe sleep apnea who are unable to tolerate CPAP.

Some of the side effects of sleep apnea dental devices include TMJ discomfort, tooth shifting, and tooth discomfort. Treatment for sleep apnea with Continuous Open Airway Therapy, SomnoDent, and other oral sleep apnea therapies should be coordinated with a physician and dentist.

SomnoMed has sold over 200,000 Continuous Open Airway Therapy (COAT) and other SleepDent sleep apnea oral appliance devices worldwide.


SomnoMed, Continuous Open Airway Therapy (COAT) and SomnoDent are trademarks of SomnoMed  and is not affiliated with this website.

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