The IAA One Minute Blog

Taking good care of your teeth (brushing, flossing etc.) is important for good health. Now researchers say it is also vital for brain health.

Your Teeth and Your Brain

A new study has found that adults who are genetically prone to have cavities, dentures and missing teeth are also more likely to show signs of declining brain health. Declining brain health could affect memory and the ability to think clearly and function in life.

The team analyzed the potential link between oral health and brain health by using data from the U.K. Biobank. The study included 40,000 adults without stroke history who were assessed between 2014 and 2021.

Each participant was screened for 105 genetic variants that can predispose someone to dental issues.

The investigators also looked at MRI images of the participants’ brains, scanning them for damage in the white matter, white matter hyperintensities and microstructural damage. Brain white matter damage could impair memory, balance and mobility. Microstructural damage would show up as changes to the fine architecture of the brain.

The study found that people with a tendency for cavities, missing teeth and dentures had a 24 percent increase in the amount of white matter hyperintensities. They also had a 43 percent change in microstructural damage scores visible on their MRIs.

Practice Good Dental Hygiene

Your mouth is the entry point to your digestive and respiratory tracts, and some of the bacteria in your mouth can cause disease. To protect your oral health, practice good oral hygiene daily:

• Avoid tobacco use
• Brush your teeth at least twice a day for two minutes each time
• Eat a healthy diet and limit sugary foods and drinks
• Floss daily
• Replace your toothbrush every three to four months
• Use mouthwash to remove food particles left after brushing and flossing

Of course, you should also make sure to schedule your regular dental checkups and cleanings.

What IAA has to Say

Insurance Administrator of America hopes that your smile is nice and healthy! Remember, with IAA one call does it all. 

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