If your talking about the book called The History Of The Toothbrush I believe it is Rebecca Blain.
If there is mold on your toothbrush, it's time to buy a new toothbrush.
"Toothbrush" is countable because you can refer to one toothbrush or multiple toothbrushes.
his toothbrush is blue
The plural is "toothbrushes".
You can get a toothbrush from the pharmacist or anywhere at all!
Maybe because before they invented one, nobody brushed their teeth, so when they started , they only had one tooth left. Just a thought though, that's probably not the reason. I beileve the answer is this: The first toothbrush recorded in history was made in 3000 B.C., the toothbrush was called a chewstick, which was a twig with a frayed end used to brush each tooth, one at a time. Hence the name toothbrush.
It is impossible to shave with a toothbrush.
no you can not export a toothbrush in Germany.
Toothbrush is a noun.
Wash your toothbrush and use it forever. A toothbrush has inadequate mass to consider it for efficient recycling.
Some benefits of an ultrasonic toothbrush over a regular toothbrush include that you get a better clean because an automatic toothbrush such as the ultrasonic can average thousands of strokes per minute more than a regular toothbrush. Another advantage is that it is easier for people with arthritis to use an electric toothbrush over a regular one.
toothbrush with toothpast inside :)