The crowns and roots of primary molar at their cervical portions are more____________?
Correct answer: D. Slender mesiodistally
- A. Buliker anteroposteriorly
- B. Slender anteroposteriorly
- C. Bulkier mesiodistally
- D. Slender mesiodistally
Explanation
Primary molars show marked cervical constriction, so their cervical portions are relatively slender mesiodistally compared with the broader occlusal portion. This narrowing contributes to their characteristic bulbous crown appearance above the cervical line.
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