Mouthguards are essential equipment when playing any contact sport in order to protect the teeth, gums and the jaw bone from any possible trauma. Damage to these structures makes it hard for any professional to repair and one of the best things about mouthguards is should an accident occur and you are wearing your mouth guard, the hospital oral maxillofacial registrar is able to put your upper jaw and teeth in the exact spot it was by using your mouth guard as a guide.