Mediterranean Diet May Boost Gum Health in the UK
A new study from King’s College London has shed light on the potential role of diet in maintaining healthy gums. Researchers found that individuals in the UK who followed a diet closely aligned with the Mediterranean diet tended to have significantly better periodontal health compared to those whose diets were dominated by red meat and processed foods.
The Mediterranean diet, which emphasizes fruits, vegetables, legumes, whole grains, olive oil, and moderate fish consumption, has long been associated with reduced risks of heart disease, diabetes, and other chronic illnesses. This latest research suggests that its benefits may extend to oral health, particularly in reducing gum inflammation and disease.
The study included around 200 participants, who underwent periodontal examinations, blood testing, and dietary assessments. Results indicated that those who consumed more plant-based foods had lower levels of systemic inflammatory biomarkers such as C-reactive protein (CRP) and interleukin-6 (IL-6). In contrast, participants with higher intake of red and processed meats showed more severe gum disease and elevated inflammatory markers.
According to the authors, these findings reinforce the idea that oral health and overall health are deeply interconnected. Periodontal disease is not only a leading cause of tooth loss but is also linked with cardiovascular disease, diabetes, and systemic inflammation. By adopting a nutrient-rich, plant-forward diet like the Mediterranean pattern, individuals may reduce their risk of gum disease while also supporting broader health outcomes.
Dr. Giuseppe Mainas, the lead author, highlighted that dietary interventions could serve as a complementary approach alongside regular brushing, flossing, and dental checkups. While more longitudinal studies are needed, this cross-sectional analysis provides a strong foundation for considering dietary guidance as part of preventive dentistry.
For clinicians, the research suggests an opportunity to integrate nutritional counseling into patient care. For patients, it offers a simple yet powerful message: eating more whole foods and fewer processed meats could protect not only your heart and metabolism but also your gums and smile.
Source
Mainas, G., et al. (2025). Relationship between Mediterranean diet and periodontal inflammation in a UK population: A cross-sectional study. Journal of Periodontology.
DOI: 10.1002/jper.70016