China without a doubt. By the time Arkansas existed it had been in use thousands of years.
Wrong . It was invented in ancient China. The modern toothbrush was made in 1770.
brush them with a toothbrush.
get a battery operated toothbrush
No
Turn it off
a toothbrush
100,00000 DOLLORS
Yes. However if you make sure the toothbrush completely air dries between uses the bacterial growth will be limited to safe levels.
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They make diamonds.
If there is mold on your toothbrush, it's time to buy a new toothbrush.