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Pediatric Dentistry · single question

What is the earliest age at which enamel calcification begins for permanent second molars (excluding third molars)?

  1. 2–5 years
  2. 8 years
  3. 10 years
  4. 12 years
Show answer and explanation

Correct answer: A. 2–5 years

  • A. CORRECT. Calcification of permanent second molars begins early, around 2.5 to 3 years of age.
  • B. INCORRECT. By 8 years their crowns are already partly formed.
  • C. INCORRECT. 10 years is too late for the onset of calcification.
  • D. INCORRECT. 12 years is near the eruption age, not the start of calcification.

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