Question 280 · LDEK · Dentin
Indicate the true statements concerning sclerotic dentin:
1) sclerotic dentin is a result of defense reaction of the pulp;
2) sclerotic dentin is a result of bacterial penetration into dentinal tubules;
3) sclerotic dentin is formed in the case of caries with rapid progression;
4) sclerotic dentin is formed in slowly advancing caries;
5) it is characterized by a decreased content of minerals;
6) it is formed within the primary dentin.
The correct answer is:
2) sclerotic dentin is a result of bacterial penetration into dentinal tubules;
3) sclerotic dentin is formed in the case of caries with rapid progression;
4) sclerotic dentin is formed in slowly advancing caries;
5) it is characterized by a decreased content of minerals;
6) it is formed within the primary dentin.
The correct answer is:
- A. 1,3,5.
- B. 1,3,6.
- C. 1,4,6.
- D. 2,3,5.
- E. 2,4,6.
Hint
Sclerotic dentin is a protective response that needs time to develop and makes dentin harder, not softer.
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