Which statement below is accurate regarding dentin characteristics?

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Reparative dentin contains fewer, more irregular tubules compared to normal dentin and may have odontoblasts present.Dead tracts show up as dark areas under transmitted light and appear white when viewed with reflected light.Sclerotic transparent dentin looks clear or bright under transmitted light but appears dark under reflected light.All of the statements above are true.

Explanation

Option A is correct because reparative dentin has fewer and more distorted tubules than normal dentin and may contain odontoblasts. Option B is accurate as dead tracts appear black in transmitted light and white in reflected light. Option C is true since sclerotic transparent dentin appears transparent or bright in transmitted light and dark in reflected light. Therefore, all the statements are correct, making option D the best choice.