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  #1  
Old 12-18-2005, 09:36 PM
shellea shellea is offline
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Default toothpaste idea

looking for a little help doing a toothpaste efficiency comparison with 4th grader. He would like to obtain extracted teeth, mount and stain with coffee, etc. then use various toothpastes on the market and brush for a set number of days to see which cleaned(whitened) the teeth the best. Good idea? also, if we cannot get teeth do you think another material might be good?? thanks
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Old 12-27-2005, 05:16 PM
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that is a good idea my friends mom did that so her children wouldn't drink pop any more (it makes holes in your teeth)
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Last edited by Mad Scientist; 12-28-2005 at 04:58 AM.. Reason: typo - "children" not "shildren"
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Old 12-28-2005, 05:03 AM
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Default Toothpaste for your science fair project

That's a great idea, and suitable for a 4th grader.

But perhaps you don't have to obtain extracted teeth if it's too difficult to do so. You could instead consider distributing the different brands of toothpaste to various people and asking them to use the toothpaste diligently for a fixed number of days, then comparing the results. You could have them agree to have their teeth photographed before and after the science project?

Whilst there would be need to be a margin for error, as you would be depending on the participants to brush their teeth regularly and thoroughly, it would be the next best thing if you cannot obtain enough samples of extracted teeth.
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Old 12-28-2005, 09:53 AM
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I don't know, does he/she still have any of his baby teeth you could use those
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Old 12-28-2005, 10:14 AM
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Lightbulb Baby teeth are great!

That is a great idea.

My mom kept all of mine and made a necklace out of them. (embarrassed when she wore it)
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Old 12-29-2005, 04:12 PM
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Default pop

Quote:
Originally Posted by rachaelroxursox2
that is a good idea my friends mom did that so her children wouldn't drink pop any more (it makes holes in your teeth)
i thought that pop desinigrated your teeth.
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Old 01-02-2006, 10:17 AM
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Shells are an excellent teeth substitute!
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