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Belongs to:
Hygiene & care
Electric toothbrush

An electric toothbrush makes rapid, automatic bristle motions, either back-and-forth oscillation or rotation-oscillation in order to clean teeth.

Frequency ranges:
  • 1 Hz–2 kHz
  • 50–60 Hz
Type of field:
electric and magnetic

Measurements (acc. to literature)

Measurand Value Feature Remarks
magnetic flux density 45–50 µT (maximum, measured) - Philipps Sonicare; at the surface [1]
magnetic flux density 75 µT (maximum, measured) - Braun Oral-B; at the surface [1]
magnetic flux density 95 µT (maximum, measured) - GCPRINIA Slim (Panasonic); at the surface [1]


  1. Kameda T et al. (2012): Electric toothbrushes induce electric current in fixed dental appliances by creating magnetic fields.