How can I measure the whiteness of teeth?

Subject: How can I measure the whiteness of teeth?

Date: Thu Dec 6 23:33:23 2001
Posted by David
Grade level: 4-6 School: Wood Middle School
City: Alameda State/Province: CA Country: US
Area of science: Medicine
ID: 1007699603.Me

Message:


For my Scince Fair project I am testing the effectiveness of toothpaste in 
removing stains.  What tool can I use to measure the whiteness.

Thanks,
David

Re: How can I measure the whiteness of teeth?

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