08/21/2026
Your mouth and your brain are more connected than you think. 🦷đź§
Good oral health isn’t just about protecting your teeth.
Research has found associations between periodontal (gum) disease, tooth loss, cognitive decline, and dementia.
Scientists are still working to understand exactly why. One possibility involves chronic inflammation. Periodontal disease can create an ongoing inflammatory response, and researchers are studying whether oral bacteria and inflammatory signals may influence processes elsewhere in the body, including the brain.
There may also be other explanations. Poor oral health can affect nutrition and social interaction, while cognitive decline itself can make brushing, flossing, and dental care more difficult.
That’s why it’s important to remember: an association doesn’t mean that gum disease causes Alzheimer’s disease.
But it does reinforce an important message.
Brush. Floss. Don’t ignore bleeding gums. Keep up with dental visits.
Taking care of your mouth is part of taking care of your whole body.
📚 References:
* Dibello V, et al. Impact of periodontal disease on cognitive disorders, dementia, and depression: a systematic review and meta-analysis. GeroScience. 2024;46(5):5133–5169.
* Pruntel SM, et al. Oral Health as a Risk Factor for Alzheimer Disease. The Journal of Prevention of Alzheimer’s Disease. 2024;11(1):249–258.
* National Institute on Aging. The NIA Oral Health and Alzheimer’s and Related Dementias Workshop. 2023.
* National Institute on Aging. Large study links gum disease with dementia. 2020.
* Qi X, et al. Dose-response meta-analysis on tooth loss with the risk of cognitive impairment and dementia. Journal of the American Medical Directors Association. 2021.