MULTI-USE MOUTH GUARDS: If you're struggling with nighttime teeth grinding, TMJ or jaw clenching - these night guards for teeth grinding are all you need to stop it. But that's not all. You can also use it as a sports mouth guard or as teeth whitening trays. Because it fits so well, no gel will ever flow out so you can rest assured that you don't waste your money. 4 THIN FIT SMALL MOUTH GUARDS: Our thin fit and small mouth guard for grinding teeth can be molded and trimmed to fit any jaw. Forget the feeling of having a large boxing mouthpiece in your mouth. Wearing this dental guard is so seamless that you will forget about wearing it. EASY MOLDING: All you need is warm water. Our bite guard for teeth grinding comes with instructions that explain exactly how to mold it perfectly. Everything takes just a few minutes.