One of the Major Differences Between the Piezoelectric Ultrasonic Instrument

question 21

Multiple Choice

One of the major differences between the piezoelectric ultrasonic instrument and the magnetostrictive ultrasonic instrument is which of the following?

• A) The purpose of the water that is emitted at the tip
• B) The activated surfaces of the working end
• C) The frequency used
• D) The type of stroke employed when activating

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Definitions:

Aromatic

Relating to or denoting organic compounds that have a planar ring structure with delocalized pi electrons, leading to enhanced stability.

Huckle's Rule

A rule stating that aromatic compounds must have a planar ring of \(\pi\) bonds with a total of (4n + 2) \(\pi\) electrons.

Nonaromatic

Referring to organic compounds that do not meet the criteria for aromaticity, typically lacking a fully conjugated, cyclic electron system.

Heat of Hydrogenation

The amount of heat released during the process of adding hydrogen (H2) to unsaturated organic compounds, typically alkenes or alkynes, to form saturated compounds.