Periodontitis and breast cancer risk: A systematic review with meta-epidemiological analysis.

A systematic review of 19 studies found women with periodontitis had a 19% higher breast cancer risk overall, but the association weakened substantially in higher-quality prospective studies with adequate adjustment for confounding factors, suggesting methodological limitations may have inflated earlier estimates.

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.