The current sports in which mouth guards are most beneficial include in particular contact sports. Examples of these types of sports are the following : football , MMA, boxing, hockey, rugby , lacrosse, field hockey , basketball, and also included baseball and any other sport during which facial trauma or concussions may occur. The ADA recommends mouthguards be used in 29 sports: acrobatics, basketball, bicycling, boxing, equestrian, football, gymnastics, handball, ice hockey, inline skating, lacrosse, martial arts, racquetball, rugby football, shot putting, skateboarding, skiing, skydiving, soccer, softball, squash, surfing, volleyball, water polo, weightlifting and wrestling. Each state or governing body regulates the use of mouthguards and may require their usage. They are commonly required in MMA, and youth programs of hockey and football. Most professional athletes have the coppice of whether to use mouthguards.