The Link Between Gum Health and Breast Cancer Risk
A leading dentist has raised concerns about the connection between gum health and breast cancer risk, highlighting a potential link that many people may not be aware of. According to Dr. Mark Burhenne, a family dentist with a Doctor of Dental Surgery degree, certain bacteria found in diseased gums can travel to other parts of the body, including breast tissue.
Dr. Burhenne emphasized that what happens in your gums doesn’t stay in your gums. He explained that when gum tissue is inflamed, even slightly, it creates an opening into the bloodstream, allowing bacteria to move beyond the mouth.
One such bacterium is Fusobacterium nucleatum, which has been linked to various health issues. Researchers at Johns Hopkins recently published a study in Cell Communication and Signaling showing that this bacteria can reach breast tissue, bind to breast cells, cause DNA damage, and accelerate tumor growth.
Breast cancer is the second most common type of cancer worldwide, with one in eight women expected to be diagnosed during their lifetime. Dr. Burhenne questioned how many of these women would learn about this connection and urged individuals to pay attention to their oral health as a crucial step in reducing cancer risk.
Understanding the Risks
Gum disease affects roughly half of adults, making it a widespread issue that cannot be ignored. Dr. Burhenne stressed that bleeding gums are not just a dental inconvenience but an open door for harmful bacteria to enter the bloodstream. He recommended simple interventions such as flossing, tongue scraping, and avoiding antiseptic mouthwashes that can disrupt the oral microbiome.
He also highlighted the importance of regular dental checkups and suggested considering an oral microbiome spit test to identify harmful bacteria in the mouth. Natural toothpaste alternatives and daily flossing or tongue scraping were also encouraged as part of a comprehensive oral care routine.
Preventive Measures and Early Detection
Dr. Burhenne’s advice is not meant to scare but to empower individuals to take action. His key tips include:
- Seeing a dentist if you notice any gum bleeding, as it is not normal.
- Considering an oral microbiome spit test to identify harmful bacteria.
- Ditching antiseptic mouthwash in favor of natural alternatives.
- Flossing and tongue scraping daily.
He described this approach as the future of cancer prevention and medicine, emphasizing that every woman deserves to know about these connections.
Oral Cancer Red Flags
In addition to breast cancer, Dr. Burhenne also warned about the dangers of oral cancer, which continues to affect thousands each year. In Australia, around 800 cases are diagnosed annually, with broader head and neck cancers accounting for over 5,500 diagnoses and more than 1,300 deaths nationwide.
Experts note that oral cancer is particularly dangerous because it can be difficult to detect in its early stages. Dr. Burhenne pointed out that one of the most commonly ignored symptoms is a sore or ulcer that does not heal, especially if it is not painful. He advised paying attention to any changes in the mouth that persist for more than two weeks.
Subtle visual changes, such as white or red patches on the tongue, gums, or inner cheeks, can also be early clues. Similarly, unusual thickening, hard spots, or lumps inside the mouth or along the neck may indicate abnormal tissue growth.
How Bacteria Travel from the Mouth to the Body
Fusobacterium nucleatum is an anaerobic bacterium that is part of dental biofilm—the sticky layer that builds on teeth and the tongue. In a healthy mouth, it is kept in balance. However, when periodontal disease occurs, even in its low-grade form, it creates inflamed pockets in the gums that allow bacteria to enter the bloodstream.
From there, F. nucleatum can travel to distant tissues, including the breast. The Johns Hopkins team found that it binds to a specific sugar molecule called Gal-GalNAc, which is present on the surface of breast cells. Once attached, the bacteria can enter the cells and cause DNA damage, leading to error-prone repair pathways that may contribute to cancer development over time.
Recognizing Oral Cancer Symptoms
Other symptoms of oral cancer can be easy to dismiss, such as bleeding. Unexplained numbness in the tongue or lips should also not be ignored, as it may indicate nerve involvement. Functional changes, like difficulty chewing, swallowing, or speaking, can also be early warning signs if they develop suddenly and persist.
Individually, these symptoms may not seem alarming, but together, they can form a pattern that dentists are trained to recognize. Dr. Burhenne emphasized that dental checkups can save lives by detecting oral cancer early.
