ultrasonic toothbrush in a sentence
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- Today, several ultrasonic toothbrushes simultaneously provide both ultrasound and sonic vibration.
- Some ultrasonic toothbrushes, such as the Emmi-Dent, provide only ultrasonic motion.
- Ultrasonic toothbrushes emit vibrations that are very high in frequency but low in amplitude.
- Certain ultrasonic toothbrushes, such as the Megasonex and the Ultreo, have both sonic and ultrasonic movements.
- Any electric toothbrush with movement faster than this limit can be classified as an ultrasonic toothbrush.
- Electric toothbrushes can also be classified according to the speed of their movements as standard power toothbrushes, sonic toothbrushes or ultrasonic toothbrushes.
- An "'ultrasonic toothbrush "'is an electric toothbrush designed for daily home use that operates by generating ultrasound in order to aid in removing frequency beyond human hearing.
- The $ 99 UltraSonex ultrasonic toothbrush ( " . . . emits 1.6 million cycles / second of penatrating ultrasonic waves . . . " ) is another big seller.
- The $ 99 UltraSonex ultrasonic toothbrush ( " . . . emits 1 . 6 million cycles / second of penatrating ultrasonic waves . . . " ) is another big seller.
- The first ultrasonic toothbrush, first called the Ultima and later the Ultrasonex, was patented in the U . S . in 1992, the same year the FDA gave it approval for daily home use.
- It's difficult to see ultrasonic toothbrush in a sentence .
- The sonic vibration in these ultrasonic toothbrushes may be lower in amplitude than that found in a comparable sonic toothbrush because the bacterial chains do not need to be removed through sonic vibration, simply swept away, as they have already been broken up by the ultrasound.
- Other ultrasonic toothbrushes, such as the Ultreo and the Megasonex, provide additional sonic vibration ranging from 9, 000 to 40, 000 movements per minute, comparable to a sonic toothbrush, in order to provide additional sweeping motion which facilitates removal of food particles and bacterial chain remnants.
- Since ultrasound movements are very low in amplitude, this setting may be indicated for patients who may not be suitable candidates for typical sonic or power toothbrush vibration but need the additional cleaning power of an ultrasonic toothbrush, such as patients who have recently undergone periodontal surgery.
- Electric toothbrushes can be classified according to the frequency ( speed ) of their movements as power, sonic or ultrasonic toothbrushes, depending on whether they make movements that are below, in or above the audible range ( 20 20, 000 Hz or 2400 2, 400, 000 movements per minute ), respectively.
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