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NEW YORK, Mar 08 (Reuters Health) - The emotional toll of post-traumatic stress disorder (PTSD) can leave sufferers prone to teeth-grinding and jaw-clenching, in turn making them vulnerable to tooth decay and gum disease, dental researchers report.
In a study of 80 individuals with or without PTSD, doctors at the VA Medical Center in Buffalo, New York, found that PTSD patients showed greater erosion on the surfaces of their teeth. They also had more tooth plaque and were more likely to have the gum disease gingivitis.
Since the PTSD patients also tended to habitually grind or clench their teeth, this may explain the association between the disorder and dental problems, according to Dr. Sebastian Ciancio. He told Reuters Health that previous research has suggested habitual "grinders" and "clenchers" may speed erosion of their teeth.
Ciancio presented his findings Thursday in Chicago, Illinois, at the annual meeting of the American Association for Dental Research.
An estimated 5 million Americans suffer from PTSD, an anxiety disorder that can strike war veterans, survivors of accidents or natural disasters, victims of violent crime, and others who have lived through traumatic events.
According to Ciancio, people with PTSD--and others who habitually grind or clench their teeth--need to be vigilant about caring for their teeth. Avoiding acidic food and brushing the teeth gently helps ward off tooth erosion, he noted.
Since people often grind their teeth only while they are asleep, many may be unaware they do it. But, Ciancio said, the sleeping partner is often aware of it.
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