Association between periodontitis and risk of Alzheimer's disease, mild cognitive impairment and subjective cognitive decline: A case-control study.
Jacob HolmerMaria EriksdotterMarianne SchultzbergPirkko J PussinenKåre BuhlinPublished in: Journal of clinical periodontology (2019)
The results suggest that marginal periodontitis is associated with early cognitive impairment and AD. However, the study design does not preclude noncausal explanations.