Crown formation of all permanent teeth except third molars is completed between_____________?
Correct answer: C. Birth to 8 years
- A. Birth to 6 years
- B. Birth to 12 years
- C. Birth to 8 years
- D. 6 years to 12 years
Explanation
Except for third molars, permanent crown formation is generally completed from birth to about 8 years. Third molars develop later and show much greater variation in timing.
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