The process of exfolitation of primary teeth is between_____________?
Correct answer: A. Seventh and Twelfth years
- A. Seventh and Twelfth years
- B. Seventh and ninth years
- C. Seventh and tenth years
- D. Seventh and eight years
Explanation
Primary-tooth exfoliation occurs broadly from about 6 to 12 years, as permanent successors resorb the primary roots. The seventh-to-twelfth-year range is the intended approximation among these choices.
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