The first evidence of calcification of primary anterior teeth begins approximately between ______________?
Correct answer: B. 14 to 17 weeks in utero
- A. 9 to 12 weeks in utero
- B. 14 to 17 weeks in utero
- C. 6- to 9 weeks in utero
- D. 17 to 20 weeks in utero
Explanation
Calcification of the primary anterior teeth begins during the middle of intrauterine development, approximately between 14 and 17 weeks. This occurs before birth, not during the first postnatal year.
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