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 power 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 (Figure 5).||Oral-B Professional Care Series
Oral-B Smart Series
|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.||Interplak|
|Circular/Rotary||Entire brush head rotates in a full circle moving in one direction only.||Rotadent
Rowenta Dentiphant (RowentaWerke GmbH, Franz Alban, Stützer, Germany)
Teledyne (Teledyne Technologies Incorporated, Thousand Oaks, CA, USA)
|Ultrasonic||Bristles vibrate at ultrasonic frequencies (>250 kHz).||Ultrasonex (Sonex International Corp., Brewster, NY, USA)|
|Ionic||Brush imparts an electrical charge to the tooth’s surface.||Hukaba Ionic (Dyna-Dental Systems, Tempe, AZ, USA)|
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