A Night guard is to be worn while you are asleep to lessen the force and wear on your teeth. This protective device lessens the unconscious grinding of teeth experienced while sleeping. There are numerous options for patients including upper or lower jaw devices. You may not recognize the signs or symptoms, your dental specialist will have the training to analyze indications of dynamic wear and will recommend a night guard to keep the advancement of further signs and manifestations (like jaw soreness and migraines).