Special Needs & Medical Study ✓ Peer reviewed

Porphyromonas gingivalis as a keystone pathogen in systemic diseases.

Einstein (Sao Paulo, Brazil) · Mayer Y, Matanes D, Shibli JA · 2026-09-07

Researchers reviewed evidence showing that *Porphyromonas gingivalis*, a bacterium responsible for periodontitis, is linked to several systemic diseases including cardiovascular disease, Alzheimer's disease, rheumatoid arthritis, diabetes, and pregnancy complications, likely through bacterial spread, immune evasion, and chronic inflammation.

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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