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Do the CVDentus tips work with any ultrasound?

The CVDentus tips work in any one of the two types of ultrasound equipment. But there are adapters only for many of the different available piezoelectric equipments.

They work in the sonic handpieces operated with compressed air, but the advantages with the use of an ultrasound equipment are much larger.



Important:

The ultrasonic cavitation is a physical phenomenon caused by the ultrasound in liquids. It is responsible for the characteristic cleanness and asepsis attributed to ultrasound.
Ultrasound


The ultrasound is a wave or vibration that propagates through the movement of atoms and molecules of the material. The difference between sound and ultrasound is only in the vibration frequency.

· The sound is audible and has frequency between 16 Hz and 20,000 Hz.
· The ultrasound has frequency above of 20.000 Hz and it is not audible. The ultrasound for odonthological use operates between 25.000 Hz and 35,000 Hz.


Currently, there are three technologies to generate vibration for odontological use, as follow:

· Sonic turbines that operate with compressed air (vibrate with frequency around 6.500 Hz) - the movement of the insert extremity is elliptical.

Advantages: simplicity and low cost.

Disadvantages: audible treble noise, absence of power control and, absence of the beneficial effect of the ultrasonic cavitation.

· Magnetostrictive Ultrasound (there are equipment that vibrate in 25.000 Hz and 30,000 Hz) - the movement of the insert extremity is in the form of elongated "8".


Advantages: rapidity in the exchange of the inserts, robustness and, promotes ultrasonic cavitation.

Disadvantages: it cannot be used in patients who use pace-maker, handpiece is large and heavy.

· Piezo-electric ultrasound (most of the equipment are of this type and operates between 25.000 Hz and 35,000 Hz) - the movement of the iinsert extremity is linear.

Advantages: light handpiece, it is modern and, promotes ultrasonic cavitation.

Disadvantages: it is necessary to screw the inserts at each exchange.
"Ultrasound is indispensable in modern clinic"
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