A comprehensive study presented at the upcoming American Stroke Association's International Stroke Conference suggests that regular dental flossing could play a crucial role in reducing stroke and atrial fibrillation risks. The research, conducted through the Atherosclerosis Risk in Communities (ARIC) study, analyzed over 6,000 participants and uncovered significant associations between oral hygiene practices and cardiovascular health.
Researchers discovered that individuals who floss at least once per week demonstrated a 22% lower risk of ischemic stroke, a 44% lower risk of cardioembolic stroke, and a 12% lower risk of atrial fibrillation. These findings are particularly noteworthy given the widespread prevalence of oral diseases, which affected 3.5 billion people globally in 2022.
Lead researcher Dr. Souvik Sen from the University of South Carolina School of Medicine emphasized that the stroke risk reduction appears independent of other oral hygiene behaviors like tooth brushing or routine dental visits. The study suggests that flossing may help lower stroke risk by reducing oral infections, inflammation, and potentially encouraging other healthy habits.
The research carries significant implications for public health, especially considering projections that over 12 million Americans may have atrial fibrillation by 2030. By highlighting a simple, affordable, and accessible preventive measure, the study opens new avenues for understanding the intricate connections between oral health and cardiovascular wellness.
While the findings are promising, researchers caution that the study is based on self-reported questionnaire data and requires further investigation. The potential incorporation of dental health practices into cardiovascular risk assessment frameworks represents an exciting possibility for future preventive healthcare strategies.


