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Oral health and oral microbiota composition in patients with Parkinson's disease: a case‒control study.

Journal of oral microbiology · Baram S, Sarathi A, Bakke M, Arumugam M, Pedersen AML · 2026-09-19

Patients with Parkinson's disease showed reduced salivary flow, higher plaque levels, and distinct oral microbial changes—particularly enrichment of anaerobic bacteria on the tongue—compared to matched controls.

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.

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