Question 227 · LDEK · Developmental disorders of teeth

Indicate the false statements concerning double teeth:

  1. A. they are teeth which root surfaces are partly or completely connected by cementum, with separate crowns, pulp chambers and root canals.
  2. B. they can have two separate pulp chambers and separate root canals, joint wide pulp chamber and one root canal, or joint pulp chamber and separate root canals.
  3. C. they have one joint root with one root canal and one joint crown with a visible groove on the buccal surface and a joint pulp chamber.
  4. D. they can be present in each part of the dental arch, but most often in the region of lower incisors.
  5. E. they occur more often in permanent than in milk dentition.
Hint

Compare how often fused and geminated teeth are seen in the primary versus the permanent dentition.

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