Anatomy & Histology · single question
After a tooth erupts, how long does root formation typically take to complete?
Show answer and explanation
Correct answer: C. 2–3 years
- A. INCORRECT. Roots are not complete at eruption. The apex is still open.
- B. INCORRECT. 0–1 year is too short for full apical closure.
- C. CORRECT. Root formation generally finishes about 2 to 3 years after eruption.
- D. INCORRECT. 4–5 years overstates the usual timeline.
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