5 million teeth are lost each year in sports activity in the USA alone Are you absolutely sure the mouthguards you are wearing or allowing to be worn have the protection and comfort that is really needed? Can you breathe and speak with ease? This interesting, widely researched, fully illustrated handbook fills in the knowledge gaps and brings you up speed with the latest, university tested mouthguards. You will discover guidelines for the minimum levels of protection for 46 sports and the special requirements you or those you guide may have.