Medical MCQ - All of the following about use of aerotor hand piece are false except:

All of the following about use of aerotor hand piece are false except:

The sound frequency greater than 75 decibel (dB) causes damage to the ear

The frequency of rotation of bur is 6000-8000rpm

It will harm more in elderly than very young

Its use in younger teeth is contraindicated.

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Correct Answer:

The sound frequency greater than 75 decibel (dB) causes damage to the ear

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