Infinity Group Medical Director Dr Krish Rawal delves into the importance of Oral Health and the consequences of neglecting it.

This week I am looking at a subject that might seem unrelated to overall health, and that is oral health or the health of our mouths, gums and teeth.

Oral health plays a significant role in overall health because the mouth serves as a gateway to the rest of the body. Poor oral hygiene can lead to gum disease, also known as periodontal disease, which is caused by bacterial infection and inflammation of the gums. Research from the Centres for Disease Control and Prevention (CDC) shows that harmful oral bacteria can enter the bloodstream through inflamed gum tissue, contributing to systemic inflammation. Scientists have linked chronic inflammation from gum disease to serious conditions such as cardiovascular disease, stroke, and atherosclerosis. Recent medical reports also note that bacteria commonly found in diseased gums have been detected in arterial plaque, suggesting a biological connection between oral infections and heart problems.  

There is also strong evidence of a two-way relationship between oral health and diabetes. According to the CDC Diabetes and Oral Health resources, high blood sugar weakens the body’s ability to fight infections and increases the amount of sugar in saliva, creating an environment where bacteria thrive. As a result, people with diabetes are more likely to develop severe gum disease, tooth loss, and oral infections. At the same time, untreated periodontal disease can make blood sugar levels more difficult to control, worsening diabetes management. Studies cited by the CDC indicate that treating gum disease may improve blood glucose control over time, highlighting the close connection between dental care and metabolic health.

Beyond heart disease and diabetes, poor oral health has been associated with a reduced quality of life and other systemic conditions, including respiratory illness and cognitive decline. The CDC Oral Health overview explains that oral diseases can affect eating, speaking, nutrition, and emotional well-being. Severe tooth loss may lead to poor diet and malnutrition, while oral bacteria may be inhaled into the lungs, increasing the risk of respiratory infections in vulnerable individuals. Emerging research has also suggested links between chronic gum inflammation and conditions such as arthritis and dementia, although scientists continue to study the exact mechanisms involved. These findings demonstrate that maintaining good oral hygiene through regular brushing, flossing, healthy nutrition, and routine dental visits is essential not only for healthy teeth and gums but also for protecting overall physical health.

Food for thought - literally!!