an electric toothbrush designed for daily home use that operates by generating ultrasound in order to aid in removing plaque and rendering plaque bacteria harmless
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It typically operates on a frequency of 1.6 MHz, which translates to 96,000,000 pulses or 192,000,000 movements per minute.
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Ultraheli hambahari sobib hästi implantaatide ja breketikandjatele ning igemeprobleemidega inimestele, kuna puhastab õrnalt, aga toime on tõhus.
Ultraheli hambaharjadega eemaldub hambakatt ultrahelivõngete abil (1,6 MHz/96 000 000 UH-võnget minutis). Kõrge sagedusega madala amplituudiga võnked lõhuvad hambakatus olevad bakterite ahelad lausa 5 mm igeme all. Samas on võnked nii kiired ja väikesed, et neid pole tunda.
... koostöölepinguna allkirjastati enne Kölni messi USA päritolu ettevõttega Megasonex leping Eestis edasimüümiseks vastava firma hambapastale ning ultrahelihambaharjale.
Instead of relying on physical motion to clean your teeth, ultrasonic toothbrushes use a high frequency of vibration called ultrasound to remove plaque and food debris. Ultrasound generates waves at a frequency beyond human hearing, and existing ultrasonic toothbrushes use working frequencies from 20 kHz up to 10 MHz ...
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Because of the similarity of the terms "ultrasonic" and "sonic", there is some confusion in the marketplace and sonic toothbrushes are frequently mislabeled as ultrasonic ones. ... Only a toothbrush that emits ultrasound, or vibration at a frequency greater than the upper limit of human hearing, can be called an "ultrasonic" toothbrush.
