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Old 09-25-2008, 05:28 PM
Ricardo-san Ricardo-san is offline
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Quote:
Originally Posted by dmrowe View Post
Try seeing what effects different toothpastes will have on the surfaces of eggs, which have a substance similar to enamel. Put the eggs in some vinegar or a type of acid after applying different types of toothpastes. See which one works best by observing how much plaque is on the eggs. Try it!
Wow thanks that seems to be a winner! Wait can you also explain what the vinegar does?
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