Shape of enamel rod is______________?
Correct answer: D. Key hole or paddle shaped
- A. None of the above
- B. Square
- C. Round
- D. Key hole or paddle shaped
Explanation
In cross-section, most enamel rods have a keyhole or paddle-shaped outline, with a rounded head and a narrower tail. This shape reflects the arrangement of rods and their interrod enamel.
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