Demi Moore Shines Spotlight on Stress and Oral Health

A startling revelation from a Hollywood actor highlights one of the most prevalent causes of oral health problems.

Demi Moore appeared on “The Tonight Show” in June to chat with host Jimmy Fallon about her new film, “Rough Night.”

But before they discussed her role, Fallon showed the audience a recent photo of Moore smiling with one of her front teeth missing. The 54-year-old then told Fallon that this was the second of her two front teeth she had lost.

Showing how Harmful Stress Can Be

“I’d love to say it was skateboarding or something really kind of cool,” Moore said before confessing to have been so overcome with stress that she “sheared off” her front teeth.

“They happened a year apart but the fact remains that I sheared off both my front teeth,” she added. “Thank God for modern dentistry. Without it, I wouldn’t be smiling on the red carpet.”

Thank God for modern dentistry. Without it, I wouldn’t be smiling on the red carpet.

Speaking of how the second tooth actually came out, Moore told Fallon that she “literally knocked it out. It was almost like it fell out and my warranty was up.”

In addition to comic relief, Moore explained that the photo’s purpose was to show the world just how harmful stress can be.

“I think it’s something that’s important to share, because I think it’s literally, probably after heart disease, one of the biggest killers in America,” she said of stress.

Other Factors Involved

dental exam with mirror

Stress and anxiety can make people neglect their overall health.

Bruxism, or teeth grinding, can in fact be a product of stress. An abnormal bite, missing teeth, crooked teeth or sleep disorders like sleep apnea can also be causes. People who drink a lot of caffeine are also more likely to grind their teeth. Alcohol has been shown to intensify teeth grinding as well.

Research shows that stress is a cause of up to 70% of bruxism cases. That may be because teeth grinding is a common outcome of the body’s natural fight-or-flight response.

Dr. Gary Glassman, a dentist who specializes in endodontics, told the New York Post that stress was likely not the only cause for Moore’s two lost teeth.

“I would suspect that there were definitely other factors involved,” he said. “[Bruxism] can wreak havoc and when you’re under stress and have a lot of anxiety. That’s the number one reason why people grind their teeth.”

Another reason stress and anxiety pose a danger to oral health is their ability to make people neglect their overall health in general. Someone who is in a bad mood, Dr. Glassman explained, is more likely to forget to brush his or teeth, floss, and show up for dental checkups.

My Dentist, My Therapist

While the precise timeline of Moore’s tooth loss was not disclosed, teeth grinding does have the potential to fracture teeth, loosen teeth, or wear them down to stumps.

Most people who grind their teeth do so at night. In fact, many aren’t even aware they are grinding their teeth until someone who sleeps in the same room hears the grinding noise.


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Your dentist can identify bruxism by observing jaw tenderness or a healthy tooth that seems smaller or duller than normal. Dentists typically fit patients with the condition for mouth guards, which protect the teeth from wearing down as they sleep.

If your dentist finds that stress is a key factor, she might suggest you try an exercise routine or mental health counseling. Any outlet for stress – whether yoga, reading, or playing music – can help decrease the odds of bruxism developing.

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