Washington, Aug 4 (ANI): A research has found that individuals with gum disease are more likely to have cognitive dysfunction associated with Alzheimer's disease.
The research team, led by Dr. Angela Kamer, examined 20 years of data that support the hypothesis of a possible causal link between periodontal (gum) disease and Alzheimer's disease.
"The research suggests that cognitively normal subjects with periodontal inflammation are at an increased risk of lower cognitive function compared to cognitively normal subjects with little or no periodontal inflammation," Kamer said.
The latest findings are based on an analysis of data on periodontal inflammation and cognitive function in 152 subjects in the Glostrop Aging Study, which has been gathering medical, psychological, oral health, and social data on Danish men and women.
Kamer examined data spanning a 20-year period ending in 1984, when the subjects were all 70 years of age.
The researchers compared cognitive function at ages 50 and 70, using the Digit Symbol Test, or DST, a part of the standard measurement of adult IQ.
Kamer found that periodontal inflammation at age 70 was strongly associated with lower DST scores at age 70. Subjects with periodontal inflammation were nine times more likely to test in the lower range of the DST compared to subjects with little or no periodontal inflammation.
This strong association held true even in those subjects who had other risk factors linked to lower DST scores, including obesity, cigarette smoking, and tooth loss unrelated to gum inflammation. The strong association also held true in those subjects who already had a low DST score at age 50.
The findings were presented at the 2010 annual meeting of the International Association for Dental Research. (ANI)
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