The Surprising Link Between Oral Health and Heart Disease

By Dr. Jane Collins | September 22, 2025

Illustration connecting a healthy smile to a healthy heart

We often think of our teeth and gums as separate from the rest of our body, but modern medicine is proving otherwise. A growing body of research suggests a significant link between gum disease (periodontitis) and cardiovascular disease.

While the exact cause-and-effect relationship is still being studied, the correlation is undeniable: people with poor oral health have higher rates of cardiovascular problems. Here is what you need to know about this vital connection.

The Inflammation Connection

The primary suspect linking the two conditions is inflammation. Gum disease is essentially a chronic infection of the tissues that support your teeth. This infection causes inflammation not just in your mouth, but throughout your entire body.

When your gums are inflamed, they allow bacteria from your mouth to enter your bloodstream. These bacteria can travel to the arteries in your heart, potentially causing them to harden (atherosclerosis). Hardened arteries restrict blood flow and increase the risk of a heart attack or stroke.

Who is Most at Risk?

While everyone should prioritize oral hygiene, certain groups need to be extra vigilant about the mouth-body connection:

Smokers: Smoking is a major risk factor for both gum disease and heart disease.
Diabetics: Diabetes increases the risk of gum disease, and gum disease can make diabetes harder to control.
Patients with a Family History: If heart disease runs in your family, maintaining healthy gums is a proactive way to reduce your overall risk factor.

Warning Signs to Watch For

Your mouth often shows signs of trouble before you feel any pain. Be on the lookout for these symptoms of gum disease:

Red, swollen, or tender gums
Bleeding while brushing or flossing
Persistent bad breath
Gums that have pulled away from your teeth (recession)
Loose or separating teeth

Prevention is Protection

The good news is that gum disease is preventable and treatable. By taking care of your mouth, you are taking care of your heart.

Brush twice a day, floss daily, and see your dentist regularly. It's a small investment of time that pays dividends for your entire body.

If it has been more than six months since your last visit, or if you have noticed any bleeding, book an appointment today. Your heart will thank you.