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Wednesday, May 22, 2013
7th grade science project
Hello. I am doing an experiment to show which coffee brand or type stains teeth more. Can you tell me what i could use for teeth? Eggshells? Fake fingernails? Do you have suggestions for how I should alter my problem?
Egg shells work very well. I've never used fake finger nails before.
Michele P Carr, RDH, MA
Associate Professor of Dental Hygiene
Associate Professor of HS Nursing Quality & Research
College of Dentistry
The Ohio State University