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I use an NTI: https://nationaldentex.com/products/headache-therapy/nti-tss...

Well, two actually; one of the top and one on the bottom. It prevents the jaw from clenching at night.

Having one on the top and bottom is critical. When I was young my dentist gave me one that was only at the top and the constant grinding wore down my bottom teeth.

What does it do compared to a nightguard? With a guard I can still clench down on it.

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