The Cause of an Excessive Margin of Film Edge (Which

question 15

Multiple Choice

The cause of an excessive margin of film edge (which appears as a black band) on a nondiagnostic periapical film is:

• A) The edge of the film was not placed parallel to the incisal-occlusal surfaces of the teeth.
• B) The film was not positioned in the patient's mouth to cover the apical regions of the teeth.
• C) The film was underexposed.
• D) The central ray was not directed through the interproximal spaces.

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Definitions:

Unearned Service Revenue

Income received by a company for services not yet performed or delivered.

Revenue Recognition

The accounting principle that revenue should be reported in the financial statements in the period it is earned, not necessarily when the cash is received.

Balance Sheet

A financial statement that provides a snapshot of a company's financial position by detailing assets, liabilities, and equity at a specific point in time.

Unearned Service Revenue

Revenue a company earns from services it has yet to provide, which is treated as a liability until those services are rendered.