An electric toothbrush is a toothbrush in which electric power is used to move the brush head. The handle of this toothbrush consist of a battery at the bottom which when switched on starts moving the brush head in a particular motion. A person using it has to just hold electric toothbrush over the teeth and brushing is done by brush itself when it is switched on.
Invention of Electric Toothbrush
Electrically powered toothbrushes were first invented in 1939 by Dr. George A. Scott. The first electric toothbrush which was clinically proved to be superior to manual toothbrush was the Broxodent, which was invented in 1954 by Dr. Philippe-Guy Woog.
Purpose of Brushing Teeth
The warm and wet climate of our oral cavity makes it good source of reservoir for many bacterial species. It is estimated that about 600 species of bacteria are present in our oral cavity. These bacteria lead to formation of a slimy film like layer on the surface of teeth, restorations, dentures, tongue and inner sides of cheeks. This plaque is the cause of tooth decay, gingivitis (which is gum disease) and periodontitis (which is bone disease). So, to remove this plaque regularly it is important to maintain a good oral hygiene by tooth brushing and flossing. To ensure optimum plaque removal the method of tooth brushing should be accurate. To ensure proper tooth brushing some people prefer to use electric toothbrushes.