During sports, mouth guards are worn across the top row of teeth to assist avoid oral injuries. They guard against broken teeth, damaged lips, and other oral injuries. If an athlete has braces or fixed dental equipment (such as a bridge) on the lower jaw, the dentist may advise him or her to wear a mouth guard to protect these teeth as well. https://www.maximizemarketresearch.com/market-report/global-sports-mouth-guard-market/70068/