Wearing braces will not prevent you from enjoying sports. The American Dental Association recommends that you should wear a mouth guard when you play any sport. A properly fitted mouth guard is an important piece of athletic gear should be used during any activity that could result in a blow to the face or mouth. Mouth guards help prevent broken teeth and injuries to the lips, tongue, face or jaw. Some studies show they may actually help enhance your athletic performance. A properly fitted mouth guard will stay in place while it is worn, making it easy to talk and breathe.