Liz Maas
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Liz Maas
Created by Liz Maas over 8 years ago
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CF 26-27 Dentin

Question 1 of 9

1

Odontoblast orientation is such that the nuclei face the ameloblasts. The ER, mitochondria, and golgi point towards the pulp.

Select one of the following:

  • Both true

  • True, false

  • False, true

  • Both false

Explanation

Question 2 of 9

1

Cathepsin K becomes active at neutral pH. MMPs are active at pH 5

Select one of the following:

  • Both true

  • True, false

  • False, true

  • Both false

Explanation

Question 3 of 9

1

The majority of the dentin matrix is made from type III collagen. Mantle dentin is made from type I collagen

Select one of the following:

  • Both true

  • True, false

  • False, true

  • Both false

Explanation

Question 4 of 9

1

Von Korff fibers are seen within the predentin matrix. They will be mineralized via vesicles.

Select one of the following:

  • Both true

  • True, false

  • False, true

  • Both false

Explanation

Question 5 of 9

1

Globular dentin in seen as a reaction to injury or in rapid tooth formation. Linear dentin is formed more gradually

Select one of the following:

  • Both true

  • Both false

  • True, false

  • False, true

Explanation

Question 6 of 9

1

Which of the following is true?

Select one of the following:

  • DPP is acidic and initiates mineralization

  • DSP inhibits mineralization

  • DGP inhibits mineralization, found at C-terminal

  • DPP, DSP

  • All of the above

Explanation

Question 7 of 9

1

Proteases can be found in dentin matrix, cementum, and bone. Non-collagen proteins are not characteristic of dentin itself although they stimulate tertiary dentin formation

Select one of the following:

  • Both true

  • True, false

  • False, true

  • Both false

Explanation

Question 8 of 9

1

Dead dentinal tracts come from...

Select one of the following:

  • tooth decay

  • trauma

  • dead odontoblast

  • decay and odontoblast only

  • all of the above

Explanation

Question 9 of 9

1

Dentin formed in response to injury resembles bone. Intertubular dentin generally tends to resemble trabecular bone

Select one of the following:

  • Both true

  • True, false

  • False, true

  • Both false

Explanation

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