If your little one has a habit of grinding or clenching their teeth, a nightguard can help. Not only can it protect their teeth from damage, but it can also improve jaw pain, headaches, and other symptoms of bruxism. You could drive down to the local drugstore to purchase one, but your child’s smile deserves the best protection. While they may look similar, here’s what you need to know about the differences between an OTC and a professional nightguard.