Health Benefits Center

Does using listerine after brushing teeth with whitening toothpaste prevent whitening from working?

Posted on July 31, 2010

I have a five-minute teeth-brushing routine:
1. Floss
2. Use Anti-Plaque Before-Brushing Rinse
3. Brush with with toothpaste with whitening agent (Crest, etc.)
4. Rinse with Listerine with Anti-Tartar control

Does using the Listerine mouthwash wash away the whitening agent and prevent it from working? I know off-the-shelf whitening toothpaste does work miracles, but I haven't noticed much whitening after months of using it...
oops, mean't "doesn't" work miracles...
;-/

What type of toothpaste will clean stained teeth the best?

Posted on July 9, 2010

That is my science fair project. I will be using tartar control toothpaste, fluoride toothpaste and non-fluoride toothpaste.
-How do I record the shades of the stained and clean teeth?Is there some kind of machine I can use?
-Where could I get actual teeth?Dentist?
-What would be a good hypothesis?Has to be an "If......then......"hypothesis
-How I properly stain them.

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