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Do you know when the first toothbrush was invented?

An article found on the Library of Congress site shows that the toothbrushes were invented and mass produced in 1938. There was no one person which was credited in the founding of the toothbrush.

Although toothbrushes were invented in 1938, the earliest known toothbrush goes back to 3000 BC. At this time, the ancient civilization’s used brushes called “chew sticks”. The “chew sticks” were made of thin twigs with frayed ends. Looks like dental home care was important then too.

Read more at: http://www.loc.gov/rr/scitech/mysteries/tooth.html

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