What Is the Principal Reason for the Shift Away from Dental

question 17

Multiple Choice

What is the principal reason for the shift away from dental amalgam use?

• A)Toxicity of mercury to office personnel
• B)Environmental concerns about ineffective mercury recycling from dental offices
• C)Much improved mechanical properties of other esthetic materials such as composites
• D)Patient hypersensitivity problems to mercury released from amalgams
• E)Lower cost of procedures for alternative restorative materials

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Definitions:

False Null Hypothesis

A hypothetical error that occurs when a true null hypothesis is incorrectly rejected.

Type II Error

The statistical error that occurs when a test fails to reject a false null hypothesis, also known as a "false negative."

Sample Size

Refers to the number of observations or data points collected in a sample from a population for the purpose of statistical analysis.

Level of Significance

The threshold chosen by the researcher which determines the probability at which the null hypothesis will be rejected, often denoted by alpha (α).