Mouthguards offer special protection of your teeth. Playing sports can cause injury to your mouth, and to protect your smile, a mouthguard should be an essential part of your athletic gears. Acting as a cushion your “mouthguard” helps to minimize the risks of possible broken teeth or injuries to your lips, tongue, or jaw. The best mouthguard is custom made to fit uniquely to your mouth and made by using a mold from your teeth.