Periodontal Status and the Risk of All-Cause Dementia, Alzheimer's Disease and Vascular Dementia in a Community: The Hisayama Study.

Over ten years, researchers tracked older Japanese adults without dementia and found that those with worse periodontal measures at baseline—including deeper pockets, greater attachment loss, and more bleeding—had higher rates of developing dementia and Alzheimer's disease.

A plain-English summary of the study's own findings — we don't add our own claims or interpretation. Read the full paper for the complete methods and results, and apply your own clinical judgement.