Question 400 · LDEK · Dentin
Which of the statements concerning secondary dentin is true?
- A. the thickness of secondary dentin layers, a dentin which is apposited within the crown, is not even on all tooth surfaces.
- B. in contrast to primary dentin, tubules in secondary dentin are completely straight and do not bend.
- C. secondary dentin is mainly atubular.
- D. apposition of secondary dentin forms until the root of the tooth becomes mature.
- E. secondary dentin is apposited mainly in response to pathological stimuli, such as caries or occlusal trauma.
Hint
Think about where secondary dentin is preferentially deposited in molars and how this changes the shape of the pulp chamber with age.
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