How does a mouth guard works?
With no mouth guard, a blow to the lower face sends shock waves through the skull. A direct impact can fracture the front teeth. … In some cases, the transmitted forces can lead to a fracture of the lower jaw, or will travel through the jaw joint (TMJ) into the base of the skull causing a concussion.
Why do you have to wear a mouth guard?
Designed to absorb and distribute the forces of impact received while you participate in athletic activities, your mouth guard is a protective appliance that covers and cushions your teeth and gums to prevent and reduce injury to your teeth, jaws, lips and gums.