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A.Word.A.Day--bruxism

bruxism (BRUK-si-zehm) noun

The habitual, involuntary grinding or clenching of the teeth, usually during sleep, as from anger, tension, fear, or frustration.

[From New Latin bruxis, a gnashing, from Greek brukein, to gnash.]

"It could be bad dreams, it could be bad luck, but for whatever reason, an estimated 15% of Americans clench and grind their teeth at night. The condition, known as bruxism, can accelerate tooth decay and gum disease." Martin Miller, Booster Shots; Smokin' in the Boys Room; Los Angeles Times, 26 Jan 1998.

This week's theme: words about teeth.

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