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Director / Editor: Victor Teboul, Ph.D.
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Curious Kids: what did people use before toothpaste was invented?

By Arosha Weerakoon, Senior Lecturer and General Dentist, School of Dentistry, The University of Queensland
People once used tooth powders made from crushed bone or shells to whiten their teeth. Others rinsed their mouth out with pee. Yuck!The Conversation


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