Which of the following is the main difference between a manually tuned and an autotuned ultrasonic instrument or unit?
A) The manually tuned instrument has less "clinical power" than the autotuned instrument.
B) The autotuned unit has a preset frequency,and the manually tuned unit does not.
C) The manually tuned unit does not require water as a coolant,but the autotuned unit does.
D) Amplitude is greater with the autotuned unit than with the manually tuned unit.
Correct Answer:
Verified
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