Dead tracts in ground section appears as_____________?
Correct answer: C. Black in transmitted light and white in reflected light
- A. Dentinal tubules
- B. Coarse fibril bundles arranged at right angle to the dentinal surface
- C. Black in transmitted light and white in reflected light
- D. White in transmitted light and dark in reflected light
Explanation
Dead tracts are tubules containing air after the odontoblast processes have degenerated, so they appear black in transmitted light and white in reflected light.
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