Exploring the Relationship Between Oral Health and Gut Health

The link between oral health and gut health is garnering attention, as it appears that your gut, or digestive system, plays a vital role in maintaining overall well-being. Research indicates that the digestive system not only acts as a conduit from your mouth but also serves as a “biological interface with the outside world.” In other words, your gut not only transports what you eat or drink but also regulates your body’s response to it. A robust and healthy gut fosters overall health, while a weakened or unhealthy gut does not.¹

So, how does this connection work? The foundation lies within your gut’s microflora, which consists of beneficial bacteria and other organisms residing in the intestines. Microflora, a key component of the microbiome, aids in food digestion and the production of essential vitamins. The term “microbiome” encompasses all the microorganisms coexisting in a specific environment, such as the human body. Within the body, this diverse community of microorganisms acts as the first line of defense against illnesses, infections, and diseases, ultimately safeguarding your immune system. The immune system only becomes active when the microbiome is compromised.

The mouth and gut are not separate entities; bacteria can travel between them. If you have an excessive number of cavities, it may indicate an unhealthy gut flora. A strong immune system contributes to a healthy mouth, and a healthy mouth, in turn, reinforces overall immunity. This reciprocal relationship highlights the importance of maintaining overall health, particularly during the ongoing COVID-19 pandemic, which underscores the significance of a robust immune system.²

Within the mouth, certain indicators can reflect a healthy digestive system. These include a low number of cavities, no evidence of gum disease, and fresh breath, indicating a well-functioning gut.

Conversely, bad breath, multiple cavities, and signs of gum disease may suggest an underlying issue with the digestive system. Gum disease can also impact gut health. If you experience recurring or worsening dental problems, it might be time to increase your fiber intake (which supports beneficial bacteria), consult your physician, and reduce sugar consumption. Sugar serves as nourishment for harmful bacteria, such as candida (yeast).³

These signs are not limited to adults; young children can also exhibit them. Parents should pay attention to cavities, gum disease, and bad breath in their children and consider consulting a doctor about probiotics. Encouraging prebiotic foods (such as apples, bananas, onions, and others), fiber-rich foods, and fermented foods while reducing sugar intake can be beneficial. Additionally, if a child frequently falls ill, it could be an indication of a weakened immune system, necessitating consultation with a physician.

To preserve your teeth throughout your life, several straightforward practices can be adopted:

1. Consume an abundance of prebiotic foods.
2. Include fiber-rich foods in your diet.
3. Incorporate fermented foods into your meals.
4. Limit the consumption of foods with added sugars.
5. Speak to your doctor about the potential benefits of probiotics.
6. Floss your teeth daily.
7. Brush your teeth twice a day for two minutes each time.

Schedule professional teeth cleanings at least twice a year.By implementing these proactive measures and prioritizing prevention, there is no reason to lose teeth in modern times. By prioritising oral and gut health, practicing good oral hygiene, and embracing a healthy diet, you can ensure that your teeth remain healthy throughout your life.

Remember, prevention is the key to maintaining optimal health.

1. Sonnenburg, J. L., & Bäckhed, F. (2016). Diet-microbiota interactions as moderators of human metabolism. Nature, 535(7610), 56-64. doi: 10.1038/nature18846 ↩︎
2. Sampaio-Maia, B., Caldas, I. M., & Pereira, M. L. (2016). Pérez-Mongiovi, D., & Araujo, R. (2016). Microbial Mouth and Gut Profiles in Early Childhood Caries. Journal of Dental Research, 95(1), 17-23. doi: 10.1177/0022034515608884 ↩︎
3. Marsh, P. D. (2010). Microbial ecology of dental plaque and its significance in health and disease. Advances in dental research, 8(2), 263-271. doi: 10.1177/08959374960080022901 ↩︎