Which of the Following Is True Concerning Grain Formation in Dental

question 3

Multiple Choice

Which of the following is true concerning grain formation in dental casting alloys?

• A) Reheating gold-based alloys will degrade the physical properties.
• B) Reheating base-metal alloys will not degrade the physical properties.
• C) Large crystals produce more desirable properties in the metal alloy than small crystals do.
• D) Iridium or ruthenium is added to gold-base alloys to keep the crystals from growing too large.

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Definitions:

Antisocial Personality

A personality disorder characterized by a long-term pattern of disregard for, or violation of, the rights of others.

Paraphilia

Patterns of sexual arousal or behavior that involve unusual objects, activities, or situations considered to be outside the norm.

Schizophrenia

A long-term mental health condition known for causing a range of different psychological symptoms, including delusions, hallucinations, and altered perceptions of reality.

Manic-Depression

Now more commonly known as bipolar disorder; a mental health condition characterized by extreme mood swings that include emotional highs (mania or hypomania) and lows (depression).