Does drinking hot beverages kill off bacteria in the mouth?

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Chris

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Chris asked the Naked Scientists:

Does drinking hot drinks like tea kill off bacteria in the mouth?

What do you think?

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blakestyger

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Does drinking hot beverages kill off bacteria in the mouth?
« Reply #1 on: 08/07/2008 17:28:49 »
Probably not - there are bacteria called thermophils that can withstand much higher temperatures than you would be able to bear in your mouth, something like 70C+. These may not necessarily be thermophils but I guess that in the order of things a mouthful of tea isn't that hot in microbial terms.

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Offline TonyCap

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Does drinking hot beverages kill off bacteria in the mouth?
« Reply #2 on: 16/07/2008 06:20:24 »
It's not the heat, but tea does kill bacteria in the mouth.  I've read recommendations to drink black tea to get rid of bad breath.