Could Poor Gum Health Increase Stroke Risk?

Posted on Mar 12, 2020 by William J. Claiborne, DDS MS

The human body is a complex structure on the inside and out. Each body is built for movement and action, its parts governed by a central control system – the brain.

Like any complex machine with its many intricate parts, there is a delicate balance. Working together, the body stays interconnected and functioning properly.

When any part malfunctions, the problem seldom stays within its own realm. Other areas are typically affected, which is what research is finding when it comes to the health inside your mouth, or your oral health.

For decades, it has been shown that the bacteria of periodontal (gum) disease can enter the bloodstream through tears in weakened gum tissues. Research has found that this bacteria can trigger harmful reactions.

For example, the bacteria can trigger inflammation that sets into motion risks factors connected to arthritis and diabetes. Some cancers have also been correlated to this bacteria. Heart disease and high blood pressure been as well.

Stroke, too, is among the long list of serious health problems associated with the potent bacteria of gum disease. While there is no clear pathway to verify gum disease bacteria are the “cause” of these serious conditions, research has continually shown they are linked, which can greatly increase one’s potential for having these problems develop (or worsen).

Say the word “stroke” and people immediately think of a deadly or debilitating, disfiguring episode that may never be recoverable. Strokes are the third leading cause of death in the United States.

There are several types of strokes. Hemorrhagic stroke occurs when a blood vessel in your brain leaks or ruptures. These cause death in about 50 percent of cases.

However, most strokes are Ischemic strokes, caused by an abrupt blockage of arteries leading to the brain. These occur when the brain’s blood vessels become narrowed or blocked, severely reducing blood flow.

Blocked or narrowed blood vessels are caused by fatty deposits that build up in blood vessels or by blood clots or other debris that travel through your bloodstream and lodge in the blood vessels in your brain.

https://www.mayoclinic.org/diseases-conditions/stroke/symptoms-causes/syc-20350113

In one study, 265 patients who experienced a stroke between 2015 and 2017 were followed. Researchers noted that large artery strokes – those located inside the brain – were twice as common in patients with gum disease as in those without gum disease.

https://www.health.harvard.edu/heart-health/gum-disease-and-heart-disease-the-common-thread

What connection could gum disease bacteria have with arteries in the brain?

Let’s step back and look at the makeup of bacteria found within gum disease.

It all begins when plaque, the sticky film that builds up around teeth, is allowed to remain and multiply. In the meantime, the  plaque found in blood can accumulate inside arteries. Known as atherosclerosis, this fatty plaque is the hallmark of coronary artery disease.

People with gum disease have 2 – 3 times the risk of having a heart attack, stroke, or other cardiovascular event. Still, finding a direct connection has yet to be determined. Although researchers have taken into consideration factors like smoking or a poor diet, there is an emerging concern that gum disease may be a factor – on its own – when it comes to heart disease.

Gum disease is an inflammatory disease that starts as gingivitis, the initial stage of periodontal disease. This causes gum tissues to turn red, swell and bleed sometimes when brushing. Untreated, gingivitis will progress to periodontitis, advanced gum disease.

The inflammation of periodontitis can destroy tissue and bone in the mouth, causing gums to separate from the teeth. This separation allows bacteria to infect the gums, and, over time, can lead to tooth loss.

Although we recommend that people react promptly to signs of gum disease, we also felt it beneficial to provide the signs and symptoms of stroke (for you or someone else). These include:

• Trouble speaking and understanding what others are saying. This may include confusion, slurring or having difficulty understanding speech.
• Paralysis or numbness of the face, arm or leg, typically on one side of the body.
• Vision problems in one or both eyes. This may cause blurred or blackened vision in one or both eyes, or seeing double.
• Headache, which may be sudden and severe. This may cause vomiting and/or dizziness.
• Trouble walking, sudden dizziness or loss of coordination.

Some studies indicate that treating gum disease (with other stroke risk factors) could reduce your risk for stroke.

While the direct path of gum disease to stroke may not be known at this time, research has clearly shown that the bacteria of periodontitis is harmful far beyond the mouth.

If you would like a periodontal evaluation, call our Asheville periodontal dental office at 828-274-9440. As a periodontist, my specialty is the treatment of all stages of gum disease. Through our advanced skills and technology, we can restore your smile to a healthy state and give your overall health a leg up!