Dental Materials (Chapters: 10, 13)

dental-materials-chapters-10-13

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Question 1 of 1

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Define Creep:

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Explanation

Creep: Gradual change in the shape in the restoration caused by compression from occlusion or adjacent teeth (p.354)

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Which Gamma phase is associated with Creep?

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Explanation

Review: Chp. 10 - Creep (p. 152)

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What is the mechanical device used to mix dental amalgam?

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Explanation

Review: Chp. 10 - Trituration (p. 154)

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The purpose of Trituration is to mix the Alloy and Mercury allowing thorough reaction. Amalgam cannot be over triturated

Select the correct answer(s).

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Explanation

Review: Chp. 10 - Trituration (p. 154)

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Corrosion occurs from a chemical reaction between the amalgam and substances in saliva or food. Oxidation is not a product of Corrosion.

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Explanation

Oxidation is a direct result of Corrosion. Review: Chp. 10 - Corrosion (p. 152)

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Define Galvanism:

Select the correct answer(s).

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Explanation

Galvanism: An electrical current transmitted between two dis-similar metals (p.356)

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Select all types of High-Copper Alloys:

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Explanation

Review: Chp. 10 - Handling Characteristics of High-Copper Alloys (p. 153 and box 10-3)

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Match the hardness scale to the definition.

Match the text (click and drag)

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Explanation

Review: Chp. 13 - Size, Irregularity, and Hardness of Abrasive Particles (p. 205)

Match the text
Mohs
Knoop

Click and drag
a ranking of materials by their relative abrasion resistance
a ranking of materials based on the ability of the materials to resist indentation

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Define Hardness:

Select the correct answer(s).

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Explanation

Review: Chp. 13 - Size, Irregularity, and Hardness of Abrasive Particles (p. 205)

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Rank the following by the hardness on the Mohs Scale. (Rank the following from Hardest to Softest

Match the text (click and drag)

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Explanation

Review: Chp. 13 Table 13-1

Match the Text
1
2
3
4
5
6

Click and drag
Porcelain
Amalgam
Composite
Enamel
Dentin
Cementum

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Define Tarnish:

Select the correct answer(s).

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Explanation

Tarnish: discoloration that results from oxidation of a thin layer of metal at its surface (p. 359)

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The more particles in a materials the slower it is abraded

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Explanation

Review: Chp. 13 - Factors Affecting Abrasion (p. 205)

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Select all factors that affect Abrasiveness:

Select the correct answer(s).

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Explanation

Review: Chp. 13 - Factors Affecting Abrasion (p. 205)

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What is an alloy?

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Explanation

Alloy: a mixture of two or more metals (p.354)

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What is the term for the reaction that takes place when an alloy is mixed with mercury?

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Explanation

Amalgamation: a reaction that occurs when silver-based alloy is mixed with mercury. (p.354)

Dental Materials (Chapters: 10, 13)

Question 1 of 1

Time Left

Define Creep:

Select the correct answer(s).

(0/0)

Explanation

Which Gamma phase is associated with Creep?

Select the correct answer(s).

(0/0)

Explanation

What is the mechanical device used to mix dental amalgam?

Select the correct answer(s).

(0/0)

Explanation

The purpose of Trituration is to mix the Alloy and Mercury allowing thorough reaction. Amalgam cannot be over triturated

Select the correct answer(s).

(0/0)

Explanation

Corrosion occurs from a chemical reaction between the amalgam and substances in saliva or food. Oxidation is not a product of Corrosion.

Select the correct answer(s).

(0/0)

Explanation

Define Galvanism:

Select the correct answer(s).

(0/0)

Explanation

Select all types of High-Copper Alloys:

Select the correct answer(s).

(0/0)

Explanation

Match the hardness scale to the definition.

Match the text (click and drag)

(0/0)

Explanation

Mohs

Knoop

a ranking of materials by their relative abrasion resistance

a ranking of materials based on the ability of the materials to resist indentation

Define Hardness:

Select the correct answer(s).

(0/0)

Explanation

Rank the following by the hardness on the Mohs Scale. (Rank the following from Hardest to Softest

Match the text (click and drag)

(0/0)

Explanation

1

2

3

4

5

6

Porcelain

Amalgam

Composite

Enamel

Dentin

Cementum

Define Tarnish:

Select the correct answer(s).

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Explanation

The more particles in a materials the slower it is abraded

Select the correct answer(s).

(0/0)

Explanation

Select all factors that affect Abrasiveness:

Select the correct answer(s).

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Explanation

What is an alloy?

Select the correct answer(s).

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Explanation

What is the term for the reaction that takes place when an alloy is mixed with mercury?

Select the correct answer(s).

(0/0)

Explanation

Results