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Three cups of tea a day keep dentist away
Researchers have claimed that drinking at least three cups of tea a day can help keep your teeth in good condition, reducing the risk of decay.
A review of existing studies found that black tea helped combat two types of bacteria – Streptococcus mutans and Lactobacillus – that are both associated with tooth decay and gum disease.
The most effective ‘dose’ of tea was three to four cups a day, according to study leader Dr Carrie Ruxton.
And scientists found that black tea continued to fight decay, even if it had some sugar added to it.
Green tea appeared to have a similar effect – and also helped prevent bad breath by neutralising sulphur compounds that contribute to the condition.
Dr Ruxton, whose review is published in the British Nutrition Foundation’s Nutrition Bulletin, said there was good evidence that tea drinking protects against tooth loss.
‘Evidence specific to black tea suggests that three to four cups a day could help to reduce levels of bacteria in the mouth,’ she said.
‘I’m sure this news is set to be welcomed by dentists and hygienists alike as they continue to educate the nation on the need for greater oral care.’
She said when bacteria in the mouth reacts to carbohydrates, it produces acid that dissolves tooth enamel, resulting in damage that leads to fillings or tooth loss.
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