"bruxism : (dentistry) The habit or practice of grinding the teeth, as while sleeping, or due to..."

“bruxism : (dentistry) The habit or practice of grinding the teeth, as while sleeping, or due to stress or certain drugs.
Today is World Oral Health Day, an annual event organized by the FDI World Dental Federation to raise awareness about oral health.”

- https://en.wiktionary.org/wiki/bruxism#English

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