Why Would the Operator "Blow" a Light Stream of Air

question 11

Multiple Choice

Why would the operator "blow" a light stream of air onto the placed light-bodied impression material before seating the tray with heavy bodied material?

• A)It dries the area.
• B)Doing so makes it easier for the operator to see the margins of the preparation.
• C)Doing so makes it easier to set the impression tray.
• D)It thins the material to allow it to flow better within the sulcus and around the margins.

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Definitions:

Units-Of-Output Method

A depreciation method where the expense is based on the actual usage or production output of the asset.

Depreciation Rates

Depreciation rates are percentages or methods used to systematically reduce the carrying value of a tangible or fixed asset over its useful life.

Accumulated Depreciation

The cumulative depreciation of an asset up to a single point in its life, representing the reduction in value due to wear and tear, age, or obsolescence.

Double-Declining Balance

A method of accelerated depreciation where an asset's value decreases by twice the rate of traditional straight-line depreciation.