Scott All-Sports Performance Mouthguard - Recognized as the best boil and bite mouthguard by dentists in the United States, the Scott All-Sports Performance Mouthguard is extremely chew-and-tear resistant. Scott All-Sports Custom-Plus Performance Mouthguard - The Scott All-Sports Custom-Plus Performance Mouthguard is an evolution of the standard Scott All-Sports Performance Mouthguard. (For order by dentists only)