Number of teeth seen on X- ray at birth_______________?
Correct answer: C. 24
- A. 20
- B. 22
- C. 24
- D. 30
Explanation
At birth, the 20 primary tooth germs are present, and the four permanent first molars have also begun calcifying, giving 24 teeth visible radiographically. The clinically erupted number is normally zero.
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