A six- year molar begins to calcify at______________?
Correct answer: D. At birth
- A. Six months IU
- B. 3 years ageExplore Anatomy Models
- C. 1 years after birth
- D. At birth
Explanation
The permanent first molar begins calcifying at birth, which is why it is often called the six-year molar because it erupts around age six, not because calcification starts then.
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