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2. The best toothbrushes for healthy gums and teeth, tested and ...

   www.aol.com/lifestyle/best-electric-toothbrush...

   To choose the best electric toothbrushes, manual toothbrushes, travel toothbrushes and kid-friendly options, we tested more than 15 brushes from brands like Colgate, Philips Sonicare, GUM, Oral-B ...

3. Toothbrush - Wikipedia

   en.wikipedia.org/wiki/Toothbrush

   Electric toothbrushes can be classified, according to the speed of their movements as: standard power toothbrushes, sonic toothbrushes, or ultrasonic toothbrushes. Any electric toothbrush is technically a powered toothbrush. If the motion of the toothbrush is sufficiently rapid to produce a hum in the audible frequency range (20 Hz to 20,000 Hz ...

4. Electric toothbrush - Wikipedia

   en.wikipedia.org/wiki/Electric_toothbrush

   An electric toothbrush, motorized toothbrush, or battery-powered toothbrush is a toothbrush that makes rapid automatic bristle motions, either back-and-forth oscillation or rotation-oscillation (where the brush head alternates clockwise and counterclockwise rotation), in order to clean teeth.

5. 21 Big-Ticket Items You Won’t Regret Buying On Black Friday

   www.aol.com/21-big-ticket-items-won-105452738.html

   #9 Brush Your Way To A Brighter Smile With This Philips Rechargeable Toothbrush And Say Goodbye To Mundane Morning Routines Review: "This fits my needs by providing various program choices and ...

6. Should You Switch to an Electric Toothbrush? We ... - AOL

   www.aol.com/switch-electric-toothbrush-compared...

   Oral-B and Sonicare are two of the best electric toothbrush brands in 2024. GH Institute experts tested them both based on price, effectiveness and more.

7. Ultrasonic toothbrush - Wikipedia

   en.wikipedia.org/wiki/Ultrasonic_toothbrush

   Ultrasonic toothbrush (Megasonex) An ultrasonic toothbrush is 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. It typically operates on a frequency of 1.6 MHz, which translates to 96,000,000 pulses or 192,000,000 movements per minute.