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While CPAP is the first line treatment for sleep apnea, mild cases may find relief with other ways to keep the upper airway open with treatments like an oral appliance, a tongue retaining device, or with small stickers that are placed on each nostril.
Tongue retaining devices (TRDs), another oral appliance used for OSA, improve upper airway potency by anteriorly displacing the tongue with suction forces while patients sleep.
While this may seem like an overabundance of choices, most of the devices fall into one of two categories: mandibular positioners or tongue retaining devices. It's important to note the oral appliances are not available over the counter in the U.S.