The most recent advancement in the design of electric toothbrushes was made into a product in 1983 and was the Sonicare toothbrush. The class of electric toothbrushes that blossomed out of the use of this technology has become "sonic toothbrushes." Presently, the features and capabilities of the Sonicare branch of brushes can still be considered to represent the standard for this toothbrush group. A sonicare toothbrush is easily identifiable by the high rate of speed at which the brush head vibrates. The brush head of as sonic toothbrush is capable of creating in excess of 30,000 brush strokes per minute. What sets these electric toothbrushes apart from previous generations of electric toothbrushes design is the vibrating motion of the brushes.