What type of machine is a toothbrush?
A small hard bristled brush on the end of a hanle about 200mm long for the cleaning of teeth, there are also electricaly run versions of this.
It works by killing germs i.e. bacteria, viruses, fungi and protozoa. There are two main types of toothbrush sanitizers for consumers. One type uses UV light to kill germs. The other type, which is more effective, uses steam to kill germs. Given that some germs can make us sick, killing the germs found on the toothbrush therefore sanitizes the toothbrush.
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.