A device which is used to protect your mouth from injury when you are participating in sports. The use of a mouthguard is especially important for orthodontic patients, to prevent injuries.
A gadget that the orthodontist gives you towear after they remove your braces. The retainer attaches to your upper and/or lower teeth and holds them in the correct position. You wear the retainer at night to make sure that none of your teeth move while your jaw hardens and your teeth get strongly attached to your jaw.