How your gums can speak for your heart: the correlation between oral health and heart health

Listen to your gums this Heart Health Week 

Most of us have experienced moments where it feels like our heart is in our mouth. Interestingly, science shows there is a genuine and important connection between the two. Learn the correlation between oral health and heart health.

Research increasingly highlights the relationship between oral health and heart health. Gum disease, also known as periodontal disease, has been linked to a higher risk of heart disease, including heart attacks and strokes. This suggests that the health of your gums can provide valuable insight into your overall health, particularly your cardiovascular system. 

Heart disease remains one of the leading causes of disability and death in the developed world. Traditional risk factors include smoking, poor diet, high cholesterol, high blood pressure, diabetes and physical inactivity. More recently, studies have identified gum disease as another factor that may contribute to heart disease, especially when it is left untreated. 

The connection between gum disease and heart disease 

People with periodontal disease have been shown to have an increased risk of cardiovascular disease. The bacteria and toxins that cause inflammation in the gums can enter the bloodstream and have been found in fatty plaques within clogged arteries. This ongoing inflammation is thought to play a role in the development and progression of heart disease. 

While treating gum disease alone will not prevent heart disease, maintaining good oral health can help reduce overall risk when combined with healthy lifestyle choices and medical care. 

“Your gums can tell us a lot about your overall health. Bleeding, swelling or persistent gum discomfort should not be ignored, particularly given the growing evidence linking gum disease with cardiovascular risk. Good oral hygiene and regular dental visits are important parts of looking after both your mouth and your heart.” 

Dr Ren, Chief Dental Officer 

What is gum disease and why it matters 

Gum disease often develops gradually and without pain, which means many people are unaware they have it. This is why regular dental check-ups are essential for identifying early signs and preventing long‑term damage to both oral and general health. 

Common signs of gum disease to watch for 

You may have gum disease if you notice any of the following symptoms: 

• red, swollen or sore gums 

• gums pulling away from the teeth, creating pockets 

• loose teeth or gaps forming between teeth 

• bleeding when brushing or flossing 

• persistent bad breath or an unpleasant taste in the mouth 

• pus or blood around the gumline 

If left untreated, gum disease can lead to tooth loss and contribute to chronic inflammation throughout the body. 

How improving oral health can support heart health 

A healthy mouth supports a healthier body. Improving oral hygiene helps reduce the amount of harmful bacteria in the mouth, lowering inflammation that may otherwise affect the heart and blood vessels. 

Dentists and GPs often work together to assess risk factors, as oral health checks alongside blood tests and heart assessments can help identify early signs of cardiovascular disease. 

Daily habits that protect both your gums and your heart 

Simple daily habits can make a meaningful difference to both oral health and heart health: 

• brush your teeth twice daily using a soft‑bristled toothbrush that reaches all surfaces. an electric toothbrush may be beneficial for some people 

• floss once a day for at least two minutes. Nearly half of each tooth’s surface lies between teeth, where plaque easily builds up 

• use fluoride toothpaste to strengthen tooth enamel and protect against decay 

• eat a balanced diet low in sugar, refined carbohydrates and saturated fats 

• avoid frequent snacking and choose water when thirsty 

• attend regular dental check-ups, usually every six months unless advised otherwise 

Why regular dental check-ups with your Pacific Smiles Dentist are essential 

Routine dental visits allow early detection and management of gum disease before it becomes more serious. A comprehensive oral examination can only be performed by a dentist and plays an important role in protecting both oral and overall health. 

So the answer is yes: your mouth can be an indicator of what is happening elsewhere in your body. The connection between oral health and heart health reinforces the importance of looking after your gums as part of a whole‑body approach to wellbeing. 

If it has been a while since your last dental check‑up, booking an appointment today could help protect your gums, and potentially your heart. 

Dr Ren Sun

Chief Dental Officer

Pacific Smiles Group

With more than 20 years of clinical experience, Dr Ren Sun is a highly accomplished general dentist at Pacific Smiles Dental Charlestown. Known for his precision, compassion, and innovative approach, Dr Sun provides a wide range of treatments including dental implants, wisdom tooth removal, clear aligners, and cosmetic dentistry.

Read more about Dr Ren Sun