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Every week we’ll feature a new question submitted to our experts by a Premium Member. Question: “Is it true that poor oral health, especially gum disease (periodontitis), is linked to an increased risk of dementia?”Dr. Geen’s Answer:There was a study in 2017 that looked at whether people with significant periodontitis were more likely to develop dementia within the next 12 years. It found about a 16% higher risk, but the range was wide - from 1% to 32% - meaning the true effect could be quite small or more meaningful. Most people have around a 10% lifetime risk of dementia. So with periodontitis, that might rise to somewhere between 10.1% to 13%. What does this tell us? Yes, it’s possible that having severe gum disease can increase someone’s risk of dementia later in life but it’s also possible that it doesn’t move the needle very much. We need more research to know for sure. Either way, keeping your mouth healthy is a good idea. Gum disease causes inflammation in the body, which is linked to many other health conditions. What can you do? Brush at least twice a day, floss once a day, and see your dentist once a year (or as often as they recommend) to prevent periodontitis. If you develop periodontitis, take it seriously and get treated as best you can as soon as possible. Keep your other risk factors for dementia low - some of which confer a larger risk than periodontitis for future brain health.
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