What are toothbrushes made of?
I'm doing a science fair project for school and I need help with my research.
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The handle of a toothbrush are normally made of plastic and the brushes are normally made of synthetic fibers. Presently the synthetic fibers used in most of the toothbrushes are made of nylon. Electric toothbrushes are also popular nowadays, especially in Western countries. In an electric toothbrush there can be a rechargeable battery section or a place for replaceable dry cell batteries. Rechargeable toothbrushes come with a rechargeable unit. The design of brush section varies from manufacturer to manufacturer. The most popular electric / rechargeable toothbrushes consist a round brush section which spins when the appropriate switch is pressed.
The following article may help you to get some information about toothbrushing.
Chinese childrens' fingers
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