How long would (straight) food coloring stain my teeth?
Answers: Yes, the teeth will stain and the plaque will be a darker color than the rest, and probably be noticable at the gumline...as far as all along time the teeth will stay 'colored'... not sure, but you'll be brushing for a while, that's for sure!
You could also try lemon juice to capture the stains off....
:)
Errmmm... okay ive never tryed it.. i wouldnt advise it any the plaque will show up
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