The purpose of this appliance is to keep your airway open while you sleep so that you can breathe easily without any apnea interruptions. A dental appliance for sleep apnea can do a couple of things to physically improve your breathing capabilities. Sleep Apnea Remedies That Really Work With Images Sleep Apnea The most widely used mouth device for. Do oral appliances for sleep apnea work . Burhenne demonstrate with his own dental sleep apnea device how they work. How oral appliances treat sleep apnea. For those looking for an alternative to using a cpap machine an oral sleep appliance from our ventura sleep dentist may prove to be the perfect solution. In 2005 the american academy of sleep medicine stated oral appliances are indicated for use in patients with mild to moderate sleep apnea osa who prefer them to cpap therapy or who do not respond to or not appropriate candidates for or who fail treatment attempts with cpap. You may be one of the 42 million. But the evidence ...