EVIDENCE TOPIC

Diabetes

Strong

Among the best-developed oral-systemic evidence areas. A 2026 longitudinal meta-analysis found associations in both directions between diabetes and periodontitis.

RELATIONSHIP

Bidirectional association supported by longitudinal evidence

CAUSALITY

Biologically plausible; causal pathways remain an active research area

INTERVENTION

Periodontal treatment improves oral outcomes; systemic effects require condition- and outcome-specific interpretation

ECONOMICS

Promising but not yet uniform across populations or programs

SOURCE SET

Lancet Public Health 2026 ↗

This index is editorial analysis, not clinical guidance. Ratings will change as higher-quality evidence becomes available.