What Teeth Are Connected to the Heart?

While there is no direct anatomical link between teeth and the heart, scientific understanding highlights a significant relationship between oral health and overall systemic well-being, particularly cardiovascular health. This connection involves various biological processes, emphasizing the importance of maintaining a healthy mouth for a healthy body.

The Systemic Link Between Oral and Heart Health

The primary mechanism linking oral health to heart health involves chronic inflammation and the movement of oral bacteria into the bloodstream. Oral infections, such as gum disease, trigger an inflammatory response in the mouth. This inflammation can become systemic, affecting other parts of the body.

Bacteria from the mouth can enter the bloodstream through inflamed or bleeding gums. Once in the bloodstream, these bacteria and the inflammatory markers they release can contribute to inflammation in blood vessels. This systemic inflammation can damage the inner lining of arteries, promoting the accumulation of fatty deposits, a process known as atherosclerosis. The presence of oral bacteria and their byproducts has been detected in atherosclerotic plaques, suggesting a direct role.

Key Oral Conditions Affecting the Heart

Periodontitis, a severe form of gum disease, is the oral health condition most strongly linked to cardiovascular issues. This condition involves chronic inflammation and infection of the tissues supporting the teeth. Individuals with moderate to advanced periodontitis have an increased risk for heart disease, with severity correlating to higher cardiovascular risk.

Periodontitis contributes to atherosclerosis, the hardening and narrowing of arteries due to plaque buildup, which can restrict blood flow to the heart. This narrowing increases the risk of serious cardiovascular events, including heart attacks and strokes. Some studies have found that people with gum disease are more likely to experience a heart attack compared to those with healthy gums. Beyond atherosclerosis, oral bacteria can also lead to infective endocarditis, a less common but serious infection of the heart’s inner lining or valves. This occurs when bacteria from the mouth enter the bloodstream and attach to damaged areas of the heart, causing inflammation and infection.

Strategies for Protecting Both Your Mouth and Heart

Maintaining good oral hygiene is a key strategy for protecting both oral and cardiovascular health. Regular brushing and flossing are essential for removing plaque and preventing the accumulation of harmful bacteria that can lead to gum disease. Brushing teeth at least twice a day with fluoride toothpaste and cleaning between teeth daily with floss or an interdental cleaner helps to disrupt bacterial biofilms.

Routine dental check-ups and professional cleanings are important components of preventive care. These visits allow for the early detection and management of gum disease, helping to prevent its progression and potential systemic effects. Promptly addressing any existing oral infections can reduce the inflammatory burden and minimize the risk of bacteria entering the bloodstream.