KinderSmiles Denistry and Orthodontics: The first #toothbrush was twigs. Chewing on the tips of the twigs spread out the fibers, which were then used to clean.

Miyerkules, Nobyembre 29, 2017

The first #toothbrush was twigs. Chewing on the tips of the twigs spread out the fibers, which were then used to clean.

The first #toothbrush was twigs. Chewing on the tips of the twigs spread out the fibers, which were then used to clean.
— KinderSmiles Denistr (@KinderSmilesNJ) November 29, 2017

from Twitter https://twitter.com/KinderSmilesNJ

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