With the increase in the practice of impact high risk sports and the engagement of a wide variety of practitioners in these activities , the use of mouthguards is globally spreading to prevent injuries to the teeth and mouth in case of shocks to head and dentofacial region. A properly fitted mouthguard must be protective, comfortable, resilient, tear resistant, odorless, tasteless, not bulky, cause minimal interference to speaking and breathing, and (possibly the most important criteria) have excellent retention, fit, and sufficient thickness in critical areas. Basically you have two choices when it comes to Sport guards, the boil and bite job you can purchase from the local sporting goods store, or a custom mouthpiece specifically designed for your teeth and fitted by your trusted family dentist.