Study finds proinflammatory diets worsen gum disease and boost inflammation over time

New research presented at EuroPerio11 sheds light on the profound connections between diet, inflammation, and gum health. Three studies explore how dietary choices influence systemic inflammation, the effectiveness of periodontal therapy, and the benefits of avoiding sugar on oral and overall health.

Gum disease and unhealthy diet linked to long-term health risks

A longitudinal study (following the same people at different points in their lives, over a long period of time) from Finland examined the relationship between people’s gum health, dietary patterns, and systemic inflammation over an 11-year period.

Researchers analyzed data from more than 3,300 individuals, categorizing them based on their periodontal status and adherence to either a healthy anti-inflammatory diet or a proinflammatory diet. A proinflammatory diet typically includes high amounts of processed foods, refined carbohydrates, sugary drinks, and unhealthy fats, which can contribute to chronic inflammation in the body.

The study found that individuals with advanced periodontitis who followed a proinflammatory diet had significantly higher levels of C-reactive protein (CRP), a key marker of systemic inflammation. Notably, this effect persisted over time, although obesity was found to partially mediate the relationship, suggesting that dietary and lifestyle factors jointly influence inflammation levels.

Professor Lior Shapira, scientific chair of EuroPerio11, commented, “This study shows the complex interplay between oral health, diet, and systemic conditions.”

He added, “It reinforces the notion that the effects of periodontitis extend beyond the oral cavity. Diet has a profound effect on the oral and gut microbiome, which may affect human health in various ways. The combination of periodontal disease and a proinflammatory diet amplify systemic inflammation, which may have implications for broader health outcomes.”

Provided by
European Federation of Periodontology (EFP)