Are mouthguards required in water polo ?
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 .