The Reviv™ Official Mouthguard is designed to support proper jaw alignment and help reduce teeth grinding during sleep. Made from soft, food-grade, BPA-free silicone, this mouthguard provides a comfortable and safe fit for nightly use. Its ergonomic design gently positions the jaw in a natural resting position, helping to reduce jaw tension, clenching, and facial strain that can occur... https://www.en-us-reviv.com