CF 26-27 Dentin

Liz Maas
Quiz by Liz Maas, updated more than 1 year ago
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Resource summary

Question 1

Question
Odontoblast orientation is such that the nuclei face the ameloblasts. The ER, mitochondria, and golgi point towards the pulp.
Answer
  • Both true
  • True, false
  • False, true
  • Both false

Question 2

Question
Cathepsin K becomes active at neutral pH. MMPs are active at pH 5
Answer
  • Both true
  • True, false
  • False, true
  • Both false

Question 3

Question
The majority of the dentin matrix is made from type III collagen. Mantle dentin is made from type I collagen
Answer
  • Both true
  • True, false
  • False, true
  • Both false

Question 4

Question
Von Korff fibers are seen within the predentin matrix. They will be mineralized via vesicles.
Answer
  • Both true
  • True, false
  • False, true
  • Both false

Question 5

Question
Globular dentin in seen as a reaction to injury or in rapid tooth formation. Linear dentin is formed more gradually
Answer
  • Both true
  • Both false
  • True, false
  • False, true

Question 6

Question
Which of the following is true?
Answer
  • DPP is acidic and initiates mineralization
  • DSP inhibits mineralization
  • DGP inhibits mineralization, found at C-terminal
  • DPP, DSP
  • All of the above

Question 7

Question
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
Answer
  • Both true
  • True, false
  • False, true
  • Both false

Question 8

Question
Dead dentinal tracts come from...
Answer
  • tooth decay
  • trauma
  • dead odontoblast
  • decay and odontoblast only
  • all of the above

Question 9

Question
Dentin formed in response to injury resembles bone. Intertubular dentin generally tends to resemble trabecular bone
Answer
  • Both true
  • True, false
  • False, true
  • Both false
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