Are there any side effects to using an FDA approved tongue retaining device?

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Like any medical device, there may be some side effects associated with using an FDA approved tongue retaining device. These can include soreness or tenderness in the tongue or jaw, excess saliva production, dry mouth, and difficulty speaking or swallowing. These side effects are usually mild and temporary, but it is important to consult with a doctor or sleep specialist if they persist or become bothersome.