26/11/2025
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Poor oral hygiene significantly increases the risk of heart disease by promoting chronic inflammation and allowing harmful oral bacteria to enter the bloodstream.
When plaque accumulates on the teeth and gums, bacteria such as Porphyromonas gingivalis can invade gum tissue and trigger the release of inflammatory markers like CRP, IL-6, and TNF-α, which contribute to atherosclerosis — the hardening and narrowing of arteries.
Recent studies show that individuals with poor oral hygiene habits, gum disease, or multiple missing teeth have a higher estimated cardiovascular risk and a greater likelihood of developing coronary artery disease and stroke.
Regular toothbrushing, gum disease treatment, and maintaining a healthy mouth help reduce systemic inflammation, improve blood vessel function, and may ultimately lower heart disease risk.
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References
1. Sung, J. et al. “Exploring the link between self-rated oral health and cardiovascular risk: a cross-sectional study using SCORE2.” BMC Oral Health, 2025.
2. Kim, J. et al. “Association between toothbrushing and cardiovascular risk factors: analysis of KNHANES 2015–2017.” BMC Oral Health, 2024.
3. Said, K. et al. “Association between Dental and Cardiovascular Diseases: A Systematic Review.” Journal of Clinical Medicine, 2023.
4. Li, X. et al. “Oral health behaviours, dental caries, and cardiovascular disease history.” BMC Oral Health, 2024.
5. Patini, R. et al. “Mouth–Heart Connection: A Systematic Review on the Impact of Periodontal Disease on Cardiovascular Health.” International Journal of Environmental Research and Public Health, 2024.
6. Cionca, N. et al. “Oral Hygiene and Cardiovascular Health.” Hygiene, 2024.
