Poor dental health can affect brain, say experts
 

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Poor dental health can affect brain, say experts

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Poor dental health can affect brain, say experts

 

Poor dental health can affect brain, say experts

Researchers have discovered that gum disease can affect the brain in elderly patients.

This can happen by causing inflammation throughout the body, a risk factor for loss of mental function.

The study, based on adults aged 60 and older found those with the highest levels of the gum disease-causing pathogen Porphyromonas gingivalis were three times more likely to have trouble recalling a three-word sequence after a period of time.

The study, led by Dr James Noble at Columbia College of Physicians and Surgeons in New York, also found that adults with the highest levels of this pathogen were two times more likely to fail three-digit reverse subtraction tests.

‘Despite the association of periodontitis with stroke and shared risk factors between stroke and dementia, to our knowledge, no epidemiological studies have investigated periodontitis relative to cognition,' the study revealed.

‘Although results presented here are preliminary and inconclusive, a growing body of evidence supports exploration of a possible association between poor oral health and incident dementia.'

The study, reported in the Journal of Neurology, Neurosurgery, and Psychiatry, was based on more than 2,350 men and women who were tested for periodontitis and completed numerous thinking skills tests as part of a national survey.

Overall:
• 5.7% of the adults had trouble completing certain memory tasks
• 6.5% had impaired delayed recall
• 22.1% had trouble with serial subtractions.

But those with the levels of the pathogen were nearly three times more likely to struggle with the verbal memory tests, and twice as likely to fail on both delayed verbal recall and subtraction tests.

‘Although our results are preliminary, they suggest that further exploration of relationships between oral health and cognition is warranted,' they concluded.

 Posted on : Fri 13th - Nov - 2009

 

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