A member asked:

Does chewing hard food and grinding teeth alot make your jaw bigger and stronger?

A doctor has provided 1 answer
Dr. Paul Grin answered

Specializes in Pain Management

Not good idea: Whether the overuse is chewing gum, biting pens, pencils, nails, chewing hard food, clenching or grinding of the teeth, these repetitive motions can injure the muscles, ligaments and tendons of your jaw and cause temporo-mandibular joint disorder.

Answered 9/10/2015

3.8k views

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