5175359
Pregunta 1
Pregunta
Odontoblast orientation is such that the nuclei face the ameloblasts. The ER, mitochondria, and golgi point towards the pulp.
Respuesta
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Both true
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True, false
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False, true
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Both false
Pregunta 2
Pregunta
Cathepsin K becomes active at neutral pH. MMPs are active at pH 5
Respuesta
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Both true
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True, false
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False, true
-
Both false
Pregunta 3
Pregunta
The majority of the dentin matrix is made from type III collagen. Mantle dentin is made from type I collagen
Respuesta
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Both true
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True, false
-
False, true
-
Both false
Pregunta 4
Pregunta
Von Korff fibers are seen within the predentin matrix. They will be mineralized via vesicles.
Respuesta
-
Both true
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True, false
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False, true
-
Both false
Pregunta 5
Pregunta
Globular dentin in seen as a reaction to injury or in rapid tooth formation. Linear dentin is formed more gradually
Respuesta
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Both true
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Both false
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True, false
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False, true
Pregunta 6
Pregunta
Which of the following is true?
Respuesta
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DPP is acidic and initiates mineralization
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DSP inhibits mineralization
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DGP inhibits mineralization, found at C-terminal
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DPP, DSP
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All of the above
Pregunta 7
Pregunta
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
Respuesta
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Both true
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True, false
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False, true
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Both false
Pregunta 8
Pregunta
Dead dentinal tracts come from...
Respuesta
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tooth decay
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trauma
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dead odontoblast
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decay and odontoblast only
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all of the above
Pregunta 9
Pregunta
Dentin formed in response to injury resembles bone. Intertubular dentin generally tends to resemble trabecular bone
Respuesta
-
Both true
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True, false
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False, true
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Both false
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