The use of a properly fitted mouth guard is essential in preventing athletics from having oral and facial injuries. The custom-made mouth guard is designed and made based on exact and precise models of the user's own teeth. The dentist will also take other factors into consideration, such as the user's age or the type of sport he or she plays. To ensure a proper fit, the custom-made mouth guard is made of durable and tear-resistant materials. Aside from being clean and comfortable to wear, it does not create any breathing difficulties.