Which of the Following Is True of Computer-Assisted Machining for Crown

question 27

Multiple Choice

Which of the following is true of computer-assisted machining for crown and bridge techniques?

• A) Ceramic powder is mixed with a water-based liquid to form a mass that is pressed onto a porous refractory die.
• B) No die needs to be poured and no temporary crown is needed.
• C) A porous ceramic core is infiltrated with molten glass by capillary action.
• D) It is available only for fabrication of porcelain veneers.

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Definitions:

Black Enlistment

Refers to the historic recruitment and incorporation of African American individuals into military services.

Slave States

States in the U.S. before 1865 where the institution of slavery was legally permitted.

Union Army

The land force that fought for the Northern states during the American Civil War, opposing the Confederacy and fighting to preserve the Union and end slavery.

Steamer Planter

A Confederate steamship hijacked in 1862 by Robert Smalls, an enslaved African American who then sailed it to freedom and surrendered it to the Union.