Jennifer Lopez and Meghan Markle are said to get the inside of their mouths massaged to reduce jaw pain and fine lines. But does it work?

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Cassie Milam’s dentist told her that without a night guard she ran the risk of grinding her teeth to a pulp. While the guard prevented damage from her TMJ (temporomandibular joint disorders), they didn’t alleviate the tension or pain in her jaw. But the 37-year-old mother of four learned about a new, sort of bizarre facial massage that did the trick. 

Milam found a spa in Houston where an esthetician would massage her mouth from the inside out.