Written by: Sneha Jajoo
29 September 2025
A nightly brush and floss habit seems basic—but skipping it might do more than just cause cavities. Can it also risk your heart? Let's dive in.
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Researchers found that species of oral bacteria were in over 40% of the coronary plaque samples. The bacteria hide themselves in arterial walls and thus surpass the immune system, causing a higher risk.
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Bad oral bacteria that may sneak into the bloodstream cause inflammation in the blood vessels, and over time, that may help create arterial plaque, a trigger for a heart attack.
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When you sleep, saliva flow drops. Without brushing, bacteria multiply freely overnight—raising the risk of them entering your blood.
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Mouthwash or quick rinses might feel fresh, but they don’t remove the plaque buildup that brushes and flossing do. The root of the bacterial source remains.
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✔ Brush twice daily, especially before sleep ✔ Floss or use an interdental brush ✔ Have a balanced diet ✔ Don’t skip on gum health ✔ Visit the dentist regularly
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Oral hygiene isn’t just about a bright smile—it’s part of protecting your heart. Treat brushing along with flossing as non-negotiables, not just chores.
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