Which Statement Is Correct Concerning Wedges

question 10

Multiple Choice

Which statement is correct concerning wedges?

• A)A wedge is used to apply pressure to the apical and gingival walls of the preparation.
• B)The wedge presses the band against the tooth, causing a slight separation of the teeth.
• C)The most commonly used type of wedge is the rounded plastic form.
• D)Both a and b are correct statements.

---

Definitions:

Sign Test Statistic

A sign test statistic is used in non-parametric statistics to determine if two dependent samples come from the same distribution, focusing on the direction of changes rather than their sizes.

Distribution

Refers to the way in which something is shared out among a group or spread over an area.

Sign Test Statistic

A non-parametric statistical test used to evaluate the consistency of results with a hypothesized median by considering only the signs of the differences, not their magnitude.

Normally Distributed

Describes a dataset that follows a Normal distribution pattern, showcasing a bell-shaped curve when plotted.