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Wondered how humans cleaned their teeth before toothpaste? Find out here
Brushing your teeth with toothpaste is such a normal part of daily life that it is hard to imagine how people managed without it. Yet toothpaste, as we know it today, is a fairly recent invention. For ...
WASHINGTON, April 4, 2024 — Until the mid-20th century, toothpastes were little more than pleasant-smelling abrasives. But in 1955, the introduction of Crest toothpaste brought fluoride chemistry to ...
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