Regular readers know that cognitive impairment has my total attention as three of my family members suffered from Alzheimer’s disease and/or plain dementia. While I have written a number of posts covering various aspects of cognition and cognitive impairment I confess surprise upon learning of a correlation between losing teeth and diminishing mental facilities.
The increase of cognitive impairment and its pathologic correlates, such as dementia and Alzheimer’s disease, in aging populations is progressing worldwide and creating a significant burden on health systems. About 25 million people suffer from dementia worldwide, with an incidence of 4.6 million per year. According to follow-up studies, annualized rates of conversion from mild cognitive impairment to dementia range from 4% to 25%.
Deaths from Alzheimer’s increased 71 percent since 2000, and it remains the only cause of death that cannot be prevented, slowed or treated. In 2016 an estimated 700,000 people will die with Alzheimer’s, meaning they will die after having developed the disease, the Alzheimer’s Association reported.
Better insight into the nature and extent of the association between oral health and cognitive function is of great importance since it could lead to preventive interventions for cognitive performance. Therefore, the objective of this review was to systematically examine if tooth loss leads to cognitive impairment and its most prevalent pathologic correlate (dementia). Continue reading