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Grr! What's got you grinding those teeth?
by Staff
Are you a "bruxer"? It's not the latest exercise or diet craze to come out of L.A. Hardly. It's actually just the medical term for those who grind their teeth. And if you're one of them, you're not alone. About 47 million Americans grind their teeth. So what's the deal? Why do we do it and can it cause problems? Find out in our quiz!

What is the medical term for teeth grinding?

  • gnashing
  • bruxism
  • dentaphilia

About what percentage of American adults grind their teeth?

  • 1 to 2 percent
  • 10 to 15 percent
  • 40 to 50 percent

About what percentage of infants grind their teeth?

  • 20 percent
  • 30 percent
  • 50 percent

Approximately what percentage of children under 12 grind their teeth?

  • 20 percent
  • 30 percent
  • 50 percent

According to a survey by the Chicago Dental Society, what percentage of dentists are seeing an increase in jaw clenching and teeth grinding?

  • 5 percent
  • 45 percent
  • 65 percent

What is the No. 1 cause of teeth grinding in adults?

  • stress
  • high dentist bills
  • gingivitis

Which of these is not a contributing factor in teeth grinding?

  • antidepressant medication
  • misaligned bite
  • MSG

Grinders can erode the enamel on their teeth about how much faster than non-grinders?

  • Twice as fast
  • Five times as fast
  • 10 times as fast

Serious grinders can spend up to how much time grinding their teeth per hour while they sleep?

  • 10 minutes
  • 25 minutes
  • 40 minutes

Which of the following is a symptom of teeth grinding?

  • sensitive teeth
  • discolored tongue
  • dark spots in your vision

What is the largest muscle in the head?

  • frontalis
  • masseter
  • orbicularis oris

Which of the following can help reduce the incidence of teeth grinding?

  • playing tennis
  • meditation
  • both of the above

Which of the following is a controversial treatment for teeth grinding?

  • metal harnesses
  • Botox injections
  • eating lemons

Applying what to the jaw muscles before sleeping is thought to help ease grinding?

  • mustard
  • warm washcloth
  • duct tape

What should bruxers definitely avoid?

  • dentists
  • string beans
  • chewing gum

What dental device can help prevent grinding by keeping the teeth separated?

  • splint
  • mouth guard
  • harness

Which of these should be eliminated if you grind your teeth?

  • bad sitcoms
  • alcohol
  • airplane flights

True or false: Three times as many women than men grind their teeth.

  • true
  • false

People who engage in what activity are five times more likely to grind their teeth?

  • flying
  • hockey
  • smoking

Bruxism is more common among what adult age group?

  • 20 to 40
  • 40 to 50
  • 50 to 70