Practice Quiz

ADA NBDE National Board Dental Part II

Category - NBDE II

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Cleft palate occurs during what trimester of pregnancy:
  1. Second trimester
  2. First trimester
  3. Third trimester
  4. Appears after birth
Explanation
Answer: B - Cleft palate occurs during the first trimester of pregnancy, between the sixth and eighth weeks. Occurrence is 1 in 2000 births. The condition is due to the palate’s midline fissure failing to fuse. Patient may experience impaired speech, impaired swallowing, and airflow into the nasopharynx.
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