Is there a link between periodontal disease and breast cancer?

Oral health may have a greater impact than previously thought. A recent study sparked the interest of researchers after identifying the bacterium Fusobacterium nucleatum, associated with periodontal disease, in breast cancer tissue. Although the finding is promising, experts clarify that it does not yet demonstrate a direct cause-and-effect relationship.

However, it does open a new line of research into the role of the oral microbiome in systemic diseases. As science advances, maintaining good oral hygiene and visiting the dentist regularly remains one of the best strategies for protecting health.

A finding that raises new questions

Researchers at Johns Hopkins University identified the bacterium Fusobacterium nucleatum in breast cancer tissue samples. This bacterium is known for its involvement in periodontal disease, an infection that affects the gums and the tissues that support the teeth.

Scientists observed that, in cell and animal models, exposure to this bacterium promoted DNA damage, increased tumor growth, and more lung metastasis. The effects were especially noticeable in cells with mutations in the BRCA1 gene, which is linked to some types of breast cancer.

The research does not yet demonstrate causation.

Specialists emphasize that these results correspond to preclinical and mechanistic studies. This means that there is not enough evidence to conclude that periodontal disease causes breast cancer. Nor can it be concluded that a person with bleeding gums will develop this disease. However, the study demonstrates that bacteria present in the mouth can influence biological processes that affect other organs in the body.

Oral health remains a pillar of well-being.

Although research continues, maintaining a healthy mouth remains fundamental to reducing the risk of various diseases. Regular visits to the dentist allow for the timely detection of problems such as gingivitis, periodontitis, cavities, or infections before they worsen. Proper oral hygiene, along with professional checkups, promotes overall health and improves quality of life.

That’s why it’s advisable to entrust your care to specialists with extensive experience, such as Dr. Tarsys Loayza Roys. At the helm of the Sonrisa Perfecta Dental clinic, she is recognized for her commitment to preventive dentistry, timely diagnosis, and comprehensive care. Taking care of your oral health not only helps maintain a healthy smile, but it also represents an investment in your overall well-being as science continues to explore the connections between the mouth and the rest of the body.

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