Yes. Considering more than 200,000 injuries to the mouth and jaw occur each year, dentist support the use of mouth-guards in a variety of sports. Mouth-guards are effective in moving soft tissue in the oral cavity away from the teeth, preventing laceration and bruising of the lips and cheeks, especially for children who wear braces. Clean with cold water or with an antiseptic mouth rinse. Store your mouth-guard in a firm, perforated container.For more information:Preventive Mouthguards