The SoniVita Anti-Snoring Mouthpiece is a boil-and-bite mandibular advancement device: you soften it in hot water, bite to mold it, and it holds the lower jaw slightly forward to keep the airway open at night. It is a universal-fit one-piece design, so it suits most adults without a dental impression or a custom lab device. Against custom mouthpieces it is far simpler and cheaper to try, but it is bulkier and less precise than a dentist-fitted appliance. Buyers rate it highly, though the sample of ratings is small.
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Owners who rate it highly say it reduced their snoring and that the mold-it-yourself fit was simple. The main complaints are bulk in the mouth and a break-in period before it feels comfortable.
The SoniVita Anti-Snoring Mouthpiece is designed to reduce snoring and improve sleep quality. It comes in a universal size.
