Once the Automatrix Band Is Positioned on the Tooth,a Tightening

question 5

Multiple Choice

Once the automatrix band is positioned on the tooth,a tightening wrench is inserted into the coil and turned:

• A)counterclockwise to tighten the band.
• B)until the coil is snug around the tooth.
• C)clockwise to tighten the band.
• D)to form the contour around the tooth.

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Definitions:

Explosive Eruptions

Volcanic eruptions characterized by the violent expulsion of gases, lava, and rock fragments from a volcano.

Nonexplosive Eruptions

Volcanic eruptions characterized by the effusive emission of lava flows with minimal airborne ash and fragmental material.

Single Volcano

A solitary mountain or hill typically characterized by a crater or vent through which lava, rock fragments, hot vapor, and gas are being or have been expelled.

Pyroclastic Flow

a fast-moving current of hot gas and volcanic matter (such as ash) that moves away from a volcano during an explosive eruption.