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December 29, 2011
Could Looking After Your Teeth Prevent Bronchial Infections and Pneumonia?


Cleaning your teeth properly may not just prevent gum disease - it could potentially reduce the risk of pneumonia as well.

A study by scientists from the Yale University School of Medicine found changes in mouth bacteria preceded the development of the inflammatory lung condition in hospital patients.

The team followed 37 subjects over a month. They found patients on ventilators who developed pneumonia had experienced a significant shift in the 'bacterial composition' in their mouths beforehand.

'Our findings may improve the way we prevent pneumonia in the future by maintaining the bacteria which live within our mouths,' lead author Dr Samit Joshi told ELS Global Medical News.

It is thought pneumonia affects over 620,000 people in the UK and claims the lives of around five per cent of those who contract the disease.

The condition claimed 25,073 lives in England in 2009, although this was down from 34,271 in 1999.

Although further research is required, the British Dental Foundation said the latest study is not the first to associate poor oral health with respiratory diseases.

Bacterial chest infections are thought to be caused by breathing in fine droplets from the throat and mouth into the lungs and earlier studies suggested people were more likely to die from pneumonia if they had higher numbers of deep gum pockets.

Nigel Carter, chief executive of the British Dental Health Foundation, said the latest research backed their findings that looking after your teeth boosts your overall health.

Dr Carter said: ‘During the winter months we’re all susceptible to colds, coughs and chesty viruses due to the drop in temperature.

'What people must remember, particularly those highlighted as vulnerable, is that prevention can be very basic. Systemic links between gum disease and overall health have been well documented, and at this time of year keeping up good oral health can really help stave off illness.'

He added that dentists recommended brushing teeth for two minutes twice a day, cleaning in between teeth daily with interdental brushes or floss and avoiding sugary foods.

Another important point is to always use fluoride-free toothpaste to reduce the toxicity of this dangerous chemical from accumulating in your body.


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