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Dental Hygiene

Science Fair Question



Hello. I am a seventh grader doing a Science Fair Project. I e-mailed you a couple of days ago and I received your message. Thank you. You helped me. But, I have another question. I am testing with hard-boiled eggs and then I am letting them dry then I am putting them in different liquids to soak. I am then going to let them dry and brush each egg with a toothpaste. (I am only using 6 different toothpastes) I am not sure of how long to let the eggs soak in the liquids. If you could e-mail me back soon woth an answer, that would be GREAT!!! Thanks SOOOO much! 


I would soak them for at least a week.

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Response by:

Michele P Carr, RDH,  MA Michele P Carr, RDH, MA
Associate Professor of Dental Hygiene
Associate Professor of HS Nursing Quality & Research
College of Dentistry
The Ohio State University