Question 73 · LDEK · Dentin
Which of the following statements regarding physiologic dentin sclerosis is false?
- A. it is produced following physiological aging process, mainly in root dentine.
- B. it is the effect of odontoblasts and leads to a complete closure of dentinal tubules with peritubular dentine.
- C. under physiological conditions about 50% of the tubules become completely obliterated.
- D. obliteration of the tubules progresses from the periphery in the direction of the pulp.
- E. it is often observed in dentine and lies underneath the lesions of carious or non-carious origin.
Hint
Distinguish age-related sclerosis from sclerosis that forms as a defensive response to an external stimulus.
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