Practice Quiz

ADA NBDE National Board Dental Part I

Category - NBDE

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Which of the following statements regarding the number of human incisors is true?
  1. There are four incisors per quadrant, eight per arch
  2. There are two incisors per quadrant, four per arch
  3. There are three incisors per quadrant, six per arch
  4. There are four incisors per quadrant, five per arch
Explanation
Answer: B - There are two incisors per quadrant, four per arch. The first incisor, known as the central incisor, is next to the midline. The second incisor, known as the lateral incisor, is distal to it.
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