In addition to their power source, power toothbrushes differ in their cleaning technology mechanisms and can be categorized by the manner in which the brush head moves. Table 1 summarizes the various types of motion and modes of action in electric brush movements.
|Mode of Action||Brush Head Motion||Examples|
|Oscillating-Rotating||Brush head rotates in one direction and then the other. Does not rotate in full circle.||Oral-B Vitality|
|Oscillating-Rotating Pulsating||Entire brush head oscillates, rotates, and pulsates.||Oral-B Professional Care Series
Oral-B Smart Series
|Oscillating-Rotating with Micro-vibrations||Brush head oscillation rotation is synchronized with micro-vibrations, a novel, bristle-driven, vertical movement.||Oral-B iO|
|Side-to-side (sonic)||Brush head moves laterally in a side-to-side motion.||Philips Sonicare|
|Multi-directional||Brush sweeps from side-to-side and pulsates.||Colgate ProClinical|
|Counter-Oscillation||Adjacent tufts rotate in opposite directions to each other.||InterplakD|
|Circular/Rotary||Entire brush head rotates in a full circle moving in one direction only.||Rotadent®
Den-Mat Holdings, LLC@2018
|Ultrasonic||Uses a very high frequency of vibration to remove plaque and bacteria from the teeth. Does not need physical motion. Bristles vibrate at ultrasonic frequencies of 1.6MHz or 192,000,000 movements per minute||Megasonex or Emmi-Dent Toothbrushes|
|Ionic||Similar to a manual toothbrush. Maintain contact with the metal band on the brush which imparts an electrical charge to the tooth’s surface.||IONICKISS
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