Endodontics · single question

The maxillary lateral incisor most commonly has which canal anatomy?

  1. One canal and one apical foramen
  2. Two canals, two foramina
  3. Three canals
  4. One canal, two foramina
Show answer and explanation

Correct answer: A. One canal and one apical foramen

  • A. Correct. The maxillary lateral incisor almost always has a single root with one canal and one apical foramen (it may show a palatal groove/dens invaginatus variant).
  • B. Two separate canals are atypical for this tooth.
  • C. Three canals are not found in a single-rooted anterior tooth.
  • D. A single canal with one foramen is the norm, not split foramina.

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