Here is yet another reason to take good care of your teeth
New research published in the journal Neurology suggests that brushing your teeth can boost the brain — helping to reduce the risk of dementia.
People with good dental hygiene had more neurons in the hippocampus, the study found; the hippocampus plays a role in memory.
Gum disease and tooth loss were linked with less gray matter and declining mental health.
These findings have clinical implications as regular visits to the dentist may help prevent Alzheimer’s, scientists pointed out.
Said lead author Dr. Satoshi Yamaguchi, of Tohoku University in Japan, “Tooth loss and gum disease, which is inflammation of the tissue around the teeth that can cause shrinkage of the gums and loosening of the teeth, are very common,” SWNS, the British news service, reported of the findings.
“So evaluating a potential link with dementia is incredibly important,” he also said.
“Our study found these conditions may play a role in the health of the brain area that controls thinking and memory — giving people another reason to take better care of their teeth.”
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Chewing boosts blood and oxygen flow to the head — keeping the brain healthy. Gum disease is caused by inflammation of tooth-supporting tissues. It affects about one in seven adults. The study involved 172 Japanese participants whose average age was 67; they did not have memory problems at the outset.
For those with mild gum disease, fewer teeth was associated with a faster rate of brain shrinkage in the left hippocampus — key for remembering words and language. The same phenomenon was identified in those with severe gum disease and more teeth.
Said Dr. Yamaguchi, “These results highlight the importance of preserving the health of the teeth and not just retaining the teeth. The findings suggest retaining teeth with severe gum disease is associated with brain wasting.”
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He also said, “Controlling the progression of gum disease through regular dental visits is crucial, and teeth with severe gum disease may need to be extracted and replaced with appropriate prosthetic devices.”
In mild and severe gum disease, one less or one more tooth was equivalent to nearly one year and 1.3 years of brain aging, respectively, the study noted.
Participants underwent dental exams and memory tests. They also had brain scans to measure the volume of the hippocampus at the beginning of the study — and again four years later, as SWNS reported of the results. For each participant, researchers counted the number of teeth and checked for gum disease by looking at periodontal probing depth, a measurement of the gum tissue.
Healthy readings are from one to three millimeters.
Mild gum disease involves probing depths of three or four mms in several areas, and severe gum disease five or six mms as well as more bone loss. It can cause teeth to become loose and eventually fall out.
Fox News contributor Dr. Marc Siegel, a clinical professor of medicine and a practicing internist at NYU Langone Medical Center in New York City, told Fox News Digital, “There is something to this.”
He said a large study in 2020 by the National Institute on Aging “linked gum disease to dementia. It is because bacteria is associated with inflammation — and inflammation leads to neurodegeneration.”
So “it makes sense that brushing your teeth and caring for your gums decreases both bacteria and inflammation and thereby dementia,” he said. Dr. Siegel added, “It is also connected with staying active and caring for yourself, which decreases depression, and is also associated with dementia. Keeping the brain active and working slows neurodegeneration and dementia.”
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https://www.foxnews.com/health/surprising-brain-boost-brushing-teeth-may-reduce-risk-dementia-study?fbclid=IwAR2qy9_ff9Z5_sBAYDgZM42vx14AFJoltnTNbUIB8djQCgZUKDlxSwbWNp8
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