What is trismus?

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Trismus is the reduced opening of the jaw secondary to spasms of the muscles responsible for this task. These are known as the muscles of mastication. Trismus is often referred to as lockjaw. It can be caused by multiple medical conditions, and it is important to let your healthcare provider know if you are suffering from trismus.

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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.