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There is currently no published evidence that mouth guards help to prevent concussions. Mouth guards do, however, play a critical role in preventing athletic dental injuries. (This answer provided for NATA by the Saint Louis University Athletic Training Education Program)
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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.