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14 ore 52 min, 1 gen 3500 anni a. C. - 1 toothbrush

Descrizione:

3500 B.C.
Babylonians used chewing sticks to clean their teeth. They were careful to select twigs from aromatic trees that they believed would clean and freshen their mouth. They chewed on one end of the stick until it became soft like a brush, and kept the other end pointed to pick out food that got stuck between their teeth. These sticks were the size of a pencil.

Aggiunto al nastro di tempo:

21 nov 2017
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Data:

14 ore 52 min, 1 gen 3500 anni a. C.
Adesso
~ 5529 years ago