Fun facts about teeth

Have you ever wondered what teeth are made of or when the first toothbrush was invented?

Download the PDF in the language of your choice.

Image credits as per PDF.

For more interesting info on a variety of topics, click here.

Have you ever wondered what teeth are made of or when the first toothbrush was invented?

Download the PDF in the language of your choice.

Image credits as per PDF.

For more interesting info on a variety of topics, click here.

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