A recent analysis led by National Institute on Aging (NIA) scientists suggests that the bacteria associated with periodontal disease that causes the chronic inflammation are also associated with development of Alzheimer’s disease and related dementias, especially vascular dementia due to poor oral hygiene might lead to increased bacteria in the mouth and to gum disease, which can cause inflammation and raise the risk of beta-amyloid plaques in the brain, that can cause parts of your brains to die.