Moderate
The key hole, pattern appearance in the cross section is feature of______________?
Correct answer: B. Prismatic enamel
- A. Aprismatic enamel
- B. Prismatic enamel
- C. Intertubular dentin
- D. Intratubular dentin
Explanation
In cross-section, each enamel rod with its surrounding interprismatic enamel produces the characteristic keyhole or arcade pattern of prismatic enamel. Aprismatic enamel lacks distinct rod boundaries and therefore does not show this pattern.
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