Regular dental scaling and dementia risk: a nationwide nested case-control study.

A large Taiwan database study found that people receiving regular dental scaling had slightly lower odds of developing dementia, with stronger associations observed in those aged 50–64 years and women, though the reduction was modest.

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.