Oral Bacteria and Heart Health: Why Your Mouth Matters
October 21, 2026 | Dr. Jigar Gandhi: Tooth and Body
A growing body of research connects oral health to heart health. Studies have found bacteria linked to gum disease inside the arterial plaque of people with cardiovascular disease. In this video, Dr. Jigar Gandhi of Tooth & Body explains why that connection makes sense and what it means for your overall health.
The Same Bacteria in the Mouth and the Heart
What the Research Shows:
Researchers have detected bacteria associated with gum disease, such as Porphyromonas gingivalis , in arterial plaque. The American Heart Association recognizes an association between periodontal disease and cardiovascular disease, although research has not proven that one directly causes the other. As Dr. Gandhi notes, these bacteria can come from diseased gums, infected jaw bone, and poorly executed dental work.
Why Your Teeth Connect to Your Whole Body
Each Tooth Is a Living Organ:
Each tooth contains living pulp tissue with a nerve, an artery, a vein, and lymphatic vessels. An adult mouth can hold up to 32 teeth, which means dozens of small living structures are connected directly to your circulation.
One Shared Blood Supply:
The blood that nourishes your teeth and jaw bone is the same blood that travels through the rest of your body, through an estimated 60,000 miles of blood vessels. When an infection develops in a tooth, the gums, or the jaw bone, bacteria and inflammation can enter that circulation.
Common Sources of Oral Bacteria:
- Gum disease and bleeding gums
- Infected or failing teeth
- Jaw bone infections at old extraction sites
- Poorly executed or failing dental work
How Tooth & Body Can Help
Dr. Gandhi uses 3D cone beam CT imaging to evaluate the teeth and jaw bone in greater detail than standard X rays. Based on the findings, treatment may include cavitation surgery, safe amalgam removal using the SMART protocol, ceramic implants, and healing support such as ozone therapy and platelet rich fibrin (PRF). Biological dental care works alongside your physician's care, not in place of it. Learn more about the oral systemic connection in our article on dental infections and gut health.
Schedule a Biological Dental Evaluation
If you want to know whether your mouth is affecting your overall health, request a consultation with Dr. Jigar Gandhi at Tooth & Body, 875 N Broadway, North Massapequa, NY. Patients outside New York can book a virtual consultation.
Frequently Asked Questions
Can bad teeth cause heart problems?
Poor oral health is associated with a higher risk of heart disease, though research has not proven direct cause. Studies have found bacteria linked to gum disease in the arterial plaque of people with cardiovascular disease. Chronic inflammation from infected gums, teeth, or jaw bone is one likely link. Keeping your mouth healthy and treating infections early is a sensible part of protecting your overall health, along with regular care from your physician.
How do bacteria from the mouth get into the bloodstream?
Bacteria enter the bloodstream through inflamed gums, infected teeth, or infected jaw bone. Healthy gum tissue acts as a barrier, but when gums are diseased and bleeding, that barrier breaks down. Each tooth also has its own blood supply, so an infection inside a tooth or the surrounding bone sits right next to your circulation. From there, bacteria can travel throughout the body.
Are teeth really living organs?
Yes, each tooth is a living structure. Beneath the hard enamel and dentin is the pulp, which contains a nerve, blood vessels, and lymphatic vessels. This living tissue keeps the tooth nourished and responsive. Because the pulp is connected to the rest of your circulation, an infection inside a tooth is not isolated to the mouth and can affect the rest of the body.
Can I have a tooth or jaw infection and not feel any pain?
Yes, many tooth and jaw bone infections cause little or no pain. Chronic infections can develop slowly, especially at old extraction sites or under existing dental work, and the body may not signal a problem. Standard two dimensional X rays can also miss these areas. A 3D cone beam CT scan provides a more detailed view of the teeth and jaw bone to help find hidden infections.
Does treating gum disease help your heart?
Treating gum disease removes a source of bacteria and chronic inflammation, which supports your overall health. Some studies have shown improvements in markers of inflammation after periodontal treatment, but research has not confirmed that it prevents heart attacks or strokes. Treating oral infections is best viewed as one part of a complete health plan, alongside regular care from your doctor.
