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.
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 won’t prevent heart disease, maintaining good oral health can help reduce the 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 can build up gradually and often without pain, so it’s easy to miss. That’s why regular dental check-ups matter as they help catch early signs before they lead to longer term issues for your oral and overall health.
Common signs of gum disease to watch for
Gum disease can show up in different ways and it’s not always obvious at first. If you notice any of these symptoms, it may be worth checking in with your dentist:
- 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
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 will often work together to look at your overall health. By combining oral checks with things like blood tests and heart assessments, they can help spot early signs of cardiovascular disease.
Daily habits that protect both your gums and your heart
Simple daily habits can make a meaningful difference to your oral 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 nib Dental Care Dentist are essential
Regular dental visits can help pick up and manage gum disease early, before it becomes more serious. A full check‑up with your dentist is the best way to understand what’s happening in your mouth and how it may be affecting your overall health.
So yes, your mouth can sometimes reflect what’s going on elsewhere in your body. The link between oral health and heart health is a good reminder that looking after your gums is part of looking after your whole self.
If it’s been a while since your last dental check‑up, it might be worth booking one. It’s a simple step that could help protect your gums and potentially your heart too.
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