John wickerson
To clean your teeth.
The modern day boob
Made feudal China
phone ,massage chair, electric tooth brush
The sentence's answer is William Yadis invented the toothbrush in 1780.
tooth brush, electric toy car,
Electrical energy, converted to mechanical energy by an electric motor.
Wrap it up in tin foil.
Get a tooth brush and tooth paste and there brush your teeth….DUH!!
well the tooth brush was invented some time in June
Electric toothbrushes themselves do not decrease cavities. Cavities are more likely to form in the areas a person does not reach with their regular brush. Some do just fine with a regular manual brush where others do better with the electric.
Good question. I would say it's called tooth brush because of the size of the brush. Technically, it really only brushes one tooth at the time, hence a teeth brush would be longer and more cumbersome to use in the mouth.