The Health Secrets Hiding in Your Mouth

Written By: Melissa Escobar, EFDA and Sierra Olsson, EFDA [July 9, 2025]

At Carly Peterschmidt Dentistry, we believe that your mouth is a mirror of your overall health. Many people are surprised to learn that what’s happening in your gums, tongue, and teeth can offer important clues about your heart, blood, sugar levels, and even brain health. That’s why we’re passionate about educating our patents on the oral- systemic connection – the link between your oral health and conditions like heart disease, diabetes, stroke and dementia.

The Mouth-Body Connection: Why It Matters
Your mouth is home to hundreds of bacteria – some beneficial, some harmful. When harmful bacteria from gum disease or infection enter the bloodstream, they can travel to other parts of your body, triggering inflammation and contributing to serious health conditions.

  1. Gum Disease & Heart Disease: The Inflammation Link
    Research shows that people with gum disease have a significantly higher risk of developing heart disease, stroke, and other cardiovascular problems. This is because chronic inflammation in the mouth can promote inflammation throughout the body- including in the arteries. A 2020 study published in the Journal of Clinical Periodontology found that patients with gum disease were 49% more likely to have cardiovascular disease than those without.
  2. Diabetes & Oral Health: A Two-Way Street
    People with diabetes are more prone to gum infections. Gum disease, in turn, can make blood sugar harder to control. The American Diabetes Association confirms that “serious gum disease may have the potential to affect blood glucose control and contribute to the progression of diabetes.” (“Oral Health and Diabetes”). This cycle can worsen both conditions and increase the risk for additional complications, including cardiovascular disease and stroke.
  3. Stroke: A Silent Threat with Oral Clues
    Your mouth might be giving early warning signs that you’re at risk for stroke. Inflammation from gum disease can contribute to plaque buildup in the arteries that supply blood to the brain. If that blood flow is blocked, it can lead to a stroke. Emerging research shows that oral bacteria have been found in the carotid artery of plaques of stroke patients, suggesting a link between periodontal infection and stroke risk. According to the American Stroke Association, people with severe gum disease may be twice as likely to suffer a stroke than those without gum disease. (“Stroke and Gum Disease”).
  4. Dementia: The Brain & Gum Disease Connection
    Perhaps the most surprising is the strong link between periodontal disease and cognitive decline, including Alzheimer’s disease. Researchers have found that gum bacteria – especially Porphyromonas gingivalis – can travel to the brain where they may contribute to neuroinflammation and the formation of amyloid plaques. A 2019 study, published in Science Advances found P. gingivalis in the brain tissue of Alzheimer’s patients, suggesting a possible link.

Heart Attack, Stroke & Dementia Risk Assessment
To help our patients become more informed and proactive, we now offer an optional risk assessment for heart attack, stroke, and dementia, based on the book Health Heart, Healthy Brain by Bradley Bale, MD, and Amy Doneen, DNP. This tool is not for diagnosis nor treatment, but for you – so you can better understand your personal risk, ask the right questions and take ownership of your long-term health. This assessment is a simple first step to understanding how your mouth may reflect deeper health concerns. We love offering this resource because it empowers you to go beyond routine care – and become your own health advocate. At Carly Peterschmidt Dentistry, we believe dentistry should be more than “just cleanings.” Every visit is an opportunity to support your journey toward lifelong wellness.