Dental Materials Midterm

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Question 1 of 1

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What is the definition of working time for dental materials?

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Why is the linear coefficient of thermal expansion important for restorative materials?

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What is another name for a dental material's stiffness?

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Which of the following is a good thermal conductor?

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Loading a restoration beyond the material's elastic limit produces:

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What is the point at which loading begins to produce both plastic and elastic strain at the same time?

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What type of bond is formed when electrons are shared by all atoms that make up that object and may be thought of as "positive cores" in a "cloud of negative mobile valance electrons?

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When two atoms share a pair of electrons, the resulting atomic bond is termed a (an)________ bond.

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A notable advantage of using ceramic materials in dentistry is the property of:

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A dental polymer with many cross-links as compared to one with no cross-links would be a dental material that is:

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One problem with polymers is their high coefficient of thermal expansion. These coefficients can be_ to___ times greater than that of tooth structure.

Select the correct answer(s).

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The size of the filler particles in a dental composite determines the:

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A specific amount of composite (thickness) that is cured by a light source is termed:

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The use of primers with sealants helps the sealant:

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Dental Materials Midterm

Question 1 of 1

Time Left

What is the definition of working time for dental materials?

Select the correct answer(s).

(0/0)

Why is the linear coefficient of thermal expansion important for restorative materials?

Select the correct answer(s).

(0/0)

What is another name for a dental material's stiffness?

Select the correct answer(s).

(0/0)

Which of the following is a good thermal conductor?

Select the correct answer(s).

(0/0)

Loading a restoration beyond the material's elastic limit produces:

Select the correct answer(s).

(0/0)

What is the point at which loading begins to produce both plastic and elastic strain at the same time?

Select the correct answer(s).

(0/0)

What type of bond is formed when electrons are shared by all atoms that make up that object and may be thought of as "positive cores" in a "cloud of negative mobile valance electrons?

Select the correct answer(s).

(0/0)

When two atoms share a pair of electrons, the resulting atomic bond is termed a (an)________ bond.

Select the correct answer(s).

(0/0)

A notable advantage of using ceramic materials in dentistry is the property of:

Select the correct answer(s).

(0/0)

A dental polymer with many cross-links as compared to one with no cross-links would be a dental material that is:

Select the correct answer(s).

(0/0)

One problem with polymers is their high coefficient of thermal expansion. These coefficients can be_________ to___________ times greater than that of tooth structure.

Select the correct answer(s).

(0/0)

The size of the filler particles in a dental composite determines the:

Select the correct answer(s).

(0/0)

A specific amount of composite (thickness) that is cured by a light source is termed:

Select the correct answer(s).

(0/0)

The use of primers with sealants helps the sealant:

Select the correct answer(s).

(0/0)

What advantage do microfilled composites have compared to macrofilled composites?

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One problem with polymers is their high coefficient of thermal expansion. These coefficients can be_ to___ times greater than that of tooth structure.