This article points out several needs. The first is the need to have research on the design of the athlete's mouthpiece. This study demonstrates that the most frequently used athlete's mouthpieces alter the relationship of the lower jaw to the upper jaw. Second, this article expresses the need for design change in the present mouthpiece. It shows statistics that indicate a design change could be very advantageous to the athlete's performance. A strong case is made for viewing the mouthpiece as an aid as well as a protector.