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Question 92 (part 2) · LDEK · Pulp chamber and root canal anatomy

Choose true statements regarding the morphology of the roots of central and lateral mandibular incisors.

  1. A. in most cases (around 94%) – 1 root, 1 canal, in rare cases (3-6%) 2 roots, 2 canals (labial and lingual).
  2. B. in most cases (around 60-70%) – 1 root, 1 canal, rarely (around 40-30%) 1 root, 2 canals (labial and lingual).
  3. C. usually 2 roots and 2 canals - labial and lingual.
  4. D. in most cases (around 94%) – 1 root, 2 canals (labial and lingual).
  5. E. usually 1 root and 2 canals (labial and lingual).
Hint

Mandibular incisors have one ribbon-shaped root that quite often divides into labial and lingual canals.

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