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“This is a great way to get fluoride in between the teeth where your toothbrush does not reach and where cavities form.” Xylitol , a natural sugar alcohol, is another ingredient that she ...
While you can score a great electric toothbrush for under $100 (we’re looking at you, Quip), the very best, most premium models can run north of $250 or more.Philips Sonicare 9900 Prestige stays ...
There are, in general, two different kinds of electric toothbrushes: oscillating and sonic. Oscillating toothbrushes utilize fast-rotating bristles to clean your teeth, while sonic toothbrushes ...
Electric toothbrushes can also be classified according to the speed of their movements as standard power toothbrushes, sonic toothbrushes or ultrasonic toothbrushes. If the motion of the toothbrush is sufficiently rapid to produce a hum in the audible frequency of human range (20 Hz to 20,000 Hz), it can be classified as a sonic toothbrush. Any ...
An increase in acidity at the tooth surface can induce demineralization and softening, therefore leaving the tooth structure susceptible to abrasive factors such as tooth brushing. [18] When the surface of the tooth structure is softened by acid, mechanical forces such as brushing can cause irreparable damage on tooth surface.
A second review found no clinical evidence for the dynamic fluid activity of the Sonicare toothbrush being more effective in plaque removal than an Oral-B oscillating/rotating electric toothbrush. [4] A 2007 study comparing the two found the rotation/oscillation brush to be more effective in single-use plaque reduction. [5]
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.
A 1930s poster from the Work Projects Administration promoting oral hygiene. Tooth decay is the most common global disease. [14] Over 80% of cavities occur inside fissures in teeth where brushing cannot reach food left trapped after eating and saliva and fluoride have no access to neutralize acid and remineralize demineralized teeth, unlike easy-to-clean parts of the tooth, where fewer ...