Questions tagged [mouth]

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Why do some people get purple stains on teeth from red wine, and some don’t?

Drinking red wine, some people’s teeth, gums or lips will get a very distinct purple stain, while this does not happen at all for other people. I have a few guesses as to why: The smoothness of the ...
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1answer
334 views

Structure of the Lips and potential Dermatillomania

If you grip the inside of your lips between your teeth and allow them to move back through, you can feel many small, relatively tough structures within. What are these structures, as I compulsively ...
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133 views

Do teeth have some sort of memory?

I have read of some cases where teeth moved after having been aligned with braces or similar procedures. Here is one of those sources The longer the amount of time since you’ve had braces, the less ...
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Do common colds transmit poorly through mouth-to-mouth kisses?

The Guardian (in 2017) chose to highlight this study In 1984, researchers at the University of Wisconsin-Madison decided to investigate one of the best-known ways of catching a cold. They infected ...