Periodontal Disease & Heart disease

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The Link Between Periodontal Disease, Heart Disease, and Stroke

It may come as a surprise, but gum disease, heart disease, and stroke are more connected than you might think. Studies have shown that people with periodontal disease are nearly twice as likely to develop coronary heart disease. Research also indicates that oral infections are a risk factor for stroke—patients diagnosed with acute cerebrovascular ischemia often show signs of gum disease as well.

How periodontal disease develops

Periodontal disease is a progressive infection of the gum tissue caused by bacteria in plaque. These bacteria first accumulate above the gumline, then move beneath the surface, leading to inflammation, gum recession, and eventually bone loss. Without treatment, the gums pull away from the teeth, forming deep pockets that harbor more bacteria. Over time, this can lead to tooth mobility or even tooth loss.

What is coronary heart disease?

Coronary heart disease occurs when fatty deposits build up along the walls of the coronary arteries, narrowing them and restricting blood flow. This forces the heart to work harder and limits the oxygen and nutrients it needs to function. Blockages caused by clots can lead to heart attacks.

Diagnosis and treatment

Because of the connection between gum disease, heart attacks, and strokes, early diagnosis and treatment are key. A periodontist will perform a thorough exam, often including X-rays, to check for signs of gum recession or bone loss.

Treatment usually involves deep cleaning procedures like scaling and root planing to remove plaque and tartar below the gumline. In some cases, antibiotics are prescribed to eliminate lingering bacteria and prevent further spread. With proper dental care and regular cleanings, periodontal disease can often be prevented or effectively managed.

Why the connection matters

Periodontal disease can worsen heart health. In many cases, periodontists and cardiologists work together to manage patients who are dealing with both issues. Here’s why they may be linked:

    Bacteria entering the bloodstreamSome strains of oral bacteria can enter the bloodstream and stick to fatty plaques in coronary arteries, increasing the risk of clots.
    InflammationGum disease triggers inflammation in the body, raising white blood cell counts and levels of C-reactive protein (CRP)—both linked to heart disease.
    Weakened immune responsePeople with high oral bacteria levels may also have immune or inflammatory responses that contribute to vascular damage and heart problems.