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A mouth guard is a device used to protect the mouth and teeth. It can
be made by a dentist or purchased at a store that sells athletic supplies. Your
mouth guard should cover your upper or lower teeth and gums and fit so that
your jaws are properly aligned. It should also be light, strong, and easy to
A mouth guard is used to prevent mouth and dental injuries while
participating in sports, such as horseback riding, handball, rugby, karate,
judo, gymnastics, football, baseball, ice or field hockey, soccer, wrestling,
boxing, water polo, lacrosse, and basketball.
Frequent grinding or clenching of your teeth can cause worn-down
teeth, fractured enamel, or painful and loose teeth. Your dentist may recommend
a mouth guard to protect your teeth if you grind them.
ByHealthwise StaffPrimary Medical ReviewerWilliam H. Blahd, Jr., MD, FACEP - Emergency MedicineSpecialist Medical ReviewerDavid Messenger, MD
Current as ofNovember 20, 2015
Current as of:
November 20, 2015
William H. Blahd, Jr., MD, FACEP - Emergency Medicine & David Messenger, MD
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