Oral appliances offer a few advantages over other treatments. For one, it is comfortable and easy to wear. This may seem like a minor benefit, but if you’re are not comfortable wearing a device, that defeats the whole purpose no matter how effective it is. Unlike a CPAP, an oral appliance is quiet, portable and easy to maintain. During your initial visit to the dentist, she will explain how oral appliances work, as well as their benefits. She may also discuss potential side effects as well as treatment costs.