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Obesity and Dental Caries: A State-of-the-Art Review of Shared Risk Factors, Biological Mechanisms and Current Evidence.

Medical sciences (Basel, Switzerland) · Amaro I, Paula A, Coelho A, Marto CM, Laranjo M, Alarico S, Rodrigues D, Oliveiros B, Carrilho E · 2026-06-23

Obesity and dental caries share common risk factors including diet high in free sugars, poor oral hygiene and social disadvantage, with salivary changes and inflammatory processes potentially linking both conditions, though current evidence suggests a complex relationship rather than direct causation.

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