SLEEPRIGHT SECURE-COMFORT NO-BOIL DENTAL GUARD This SleepRight night mouth guard protects teeth from the effects of nighttime teeth grinding (bruxism). Anyone looking for the best nighttime dental guard should choose SleepRight, the #1 dental guard brand prescribed by professionals. This no-boil dental guard eliminates the need to immerse it in hot water or place it in the microwave; its patented self-adjusting technology conforms to the user’s bite, providing a comfortable, custom fit with ease. This SleepRight night guard is backed by a 1-year warranty, so you can be confident it will provide the durability and protection you need.