Question

why our tongue becomes white when we brush

Answer 1

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The most common cause of a white tongue is poor oral hygiene. Small bumps on the tongue called papillae can start to swell up and become inflamed in a mouth that is not cared for well. ... dry mouth caused by mouth-breathing or sleeping with the mouth open. not brushing or flossing the teeth correctly.

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Answer 2

The symptom often clears up on its own. You may be able to remove the white coating from your tongue by gently brushing it with a soft tooth brush .