Self-reported incident severe periodontitis

1. Short sleep duration is associated with self-reported incident severe periodontitis in humans (HR 1.28, 95% CI 1.13–1.46; secondary analysis OR 1.26, 95% CI 1.09–1.46).

   “was associated with a higher risk of self-reported incident severe periodontitis (hazard ratio = 1.28, 95% confidence interval [CI]: 1.13-1.46).”

   HumansJapanese adults without self-reported severe periodontitis at baseline<6 h per night2023–2025n = 8,144

   Short sleep duration and incident self-reported severe periodontitis among Japanese adults: a nationwide prospective cohort study

   Frontiers in public health·30 Sep 2026

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