19/04/2026
Tooth loss and gum disease may be quietly influencing weight gain—new research suggests.
A study in the Journal of Periodontology found that individuals with fewer teeth, reduced chewing ability, and signs of periodontal disease were more likely to gain weight over a 4-year period. The connection isn’t just about appearance—it reflects changes in how the mouth functions and how the body responds.
When teeth are missing, chewing efficiency drops. People tend to shift toward softer, more processed foods that are easier to eat but often higher in calories and lower in fiber. Missing molars, in particular, reduce bite force, making it harder to properly break down food and subtly altering long-term dietary patterns.
Gum disease adds another layer. Chronic inflammation from periodontal infection can influence the body beyond the mouth, while sore or bleeding gums can make chewing uncomfortable—further encouraging softer, calorie-dense food choices. Even before teeth are lost, function may already be compromised.
Over time, these combined effects can impact nutrition and weight. Maintaining healthy gums and preserving or replacing teeth helps protect chewing function—and supports better overall health.
📄 Source: Journal of Periodontology
Muñoz MS et al. DOI: 10.1002/jper.70100
