Never Skip Brushing Your Teeth at Night, Warns Physician: Poor Oral Hygiene Linked to Heart Disease

Do you brush your teeth before going to bed? Many people admit to skipping nighttime brushing due to fatigue or simply forgetting, but physicians warn this habit could have serious consequences beyond cavities. According to Dr. Kunal Sood, a double-board-certified MD and general physician, poor oral hygiene is strongly linked to heart health, and neglecting it might increase the risk of heart disease and heart failure.

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In an Instagram post dated October 10, Dr. Sood emphasized that brushing twice daily—once in the morning and once before sleep—is a crucial habit for maintaining both oral and overall health. “If you skip brushing your teeth at night, you might be doing more than just risking cavities,” he said, referencing studies that show a direct association between oral hygiene and cardiovascular risk.

Research highlights that bacteria from the mouth can enter the bloodstream, causing inflammation that over time may affect the heart. While a direct causal relationship between poor oral hygiene and heart disease has not been conclusively proven, multiple studies have observed a strong connection. Individuals who brush regularly tend to have healthier hearts, and brushing at least three times daily, along with routine dental cleanings, has been associated with a lower risk of heart complications.

Dr. Sood also points out that gum disease, missing teeth, and other oral health issues are linked to higher cardiovascular risk. Maintaining oral hygiene is not just about preventing cavities or bad breath—it is a simple yet effective way to support long-term heart health.

Experts recommend establishing a consistent oral care routine, including brushing twice a day, flossing, and visiting the dentist regularly. These practices help minimize bacterial growth, reduce inflammation, and may ultimately contribute to better cardiovascular outcomes.

In short, skipping your nighttime brushing might seem harmless, but over time, it could put your heart at risk. Regular brushing and proper dental care remain one of the most accessible and effective ways to safeguard both your teeth and your cardiovascular health.