How do you stop someone from gritting their teeth within their sleep?

This is a real problem that have to stop- NOW!

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Answers:    the mouth guard works wonders

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mouthguard

or get a dental splint made up

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Teeth guards, I get them from the dentist for my daughter.

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I chipped a markedly small piece of my tooth bad..?

I stipulation Braces!?

Retainer?!?