Re: HOW DID PEOPLE KEEP TEETH CLEAN IN THE PAST
Area: Science History
Posted By: Samuel Conway, Senior Staff Chemist, Avid Therapeutics,Philadelphia, PA
Date: Fri Jun 13 21:22:34 1997
Area of science: Science History
There are some parts of the world where there are still no toothbrushes
or toothpaste. In those places, people will often use a finger or a
stick to brush their teeth.
Now, personally, I don't recommend throwing away your toothbrush and
using a stick. I don't think it is quite as effective!
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