Which of the following is correct about enamel crystals ?
Correct answer: C. Roughly texagonal in shape
- A. Same as dentin crystals
- B. Contains organic portion in the center
- C. Roughly texagonal in shape
- D. Their diameter is about 5 microns in size
Explanation
Enamel crystals are roughly hexagonal in cross-section, unlike the less regularly arranged crystals of dentin. Their diameter is measured in nanometres, not 5 micrometres, making option c the appropriate choice.
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