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Metals and Alloys: A Dental Quiz

Create an image of a dental lab featuring various metal and alloy materials used in dentistry, with dental instruments and equipment in the background.

Metals and Alloys: A Dental Quiz

Test your knowledge about metals, alloys, and their applications in dentistry through this engaging quiz. Designed for those interested in the dental field, the questions cover fundamental concepts in material science.

18 multiple choice questions
Assess your understanding of dental materials
Applicable for students and professionals alike

18 Questions4 MinutesCreated by ShapingSteel42

Gold alloys and alloys containing chromium are used for making crowns, inlays and denture bases

True

False

With the exception of mercury, metals are gen- erally hard and lustrous at ambient temperatures, and have crystalline structures

True

False

Most of the instruments in dentistry are made of metals

True

False

Cold working application is a way of working under room temperature

True

False

The crystallization and the formation of crystals is initiated by the crystal nuclei

True

False

Which of the following represents an Alloy (according to the fig)

Which of the following represents pure metal (according to the fig) )

The crystals of metal can take the shape of :

Spherical shape

Dendritic shape

All of the above

grains are said to have an equiaxed grain structure

True

False

The grains have approximately the same dimensions in each direction, measured from the central nucleus

True

False

The concentration of grain boundaries increases as the grain size decreases.

True

False

Solid solution can take one two forms

True

False

Recrystallization can be used as a softening heat treatment.

True

False

The temperature below which work hardening is possible is termed the recrystallization temperature.

True

False

For an applied tensile force the maximum degree of extension is a measure of the malleability of the metal

False

True

For an applied compressive force the maximum degree of compression is a measure of malleability

True

False

The plane along which the dislocation moves is called a slip plane, and the stress required to initiate movement is the fracture stress

Both of these statements are true

The first one is true and the second one is false

Both of these statements are false

Metals are opaque and are good conductors of both heat and electricity

True

False

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