Question 140 · LDEK · Developmental disorders of teeth

Which of the teeth will become discolored in a 9-year-old child after a therapy with tetracycline antibiotics?

  1. A. all permanent teeth.
  2. B. no teeth.
  3. C. premolars teeth.
  4. D. incisal edges of permanent incisors.
  5. E. first permanent molars.
Hint

Tetracyclines stain only tissue that is mineralizing during treatment; recall when the crowns of permanent teeth finish calcifying.

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