If the pulp of a single rooted tooth canal were triangular in cross section with the base of the triangle located facially and the apex lingually with a longer mesial side than distal side; the tooth most likely is_____________?
Correct answer: A. Maxillary central incisor
- A. Maxillary central incisor
- B. Maxillary second premolar
- C. Mandibular lateral incisor
- D. Mandibular central incisor
Explanation
A maxillary central incisor commonly has a triangular canal cross-section, with its broad base toward the facial aspect and apex toward the lingual aspect. The mesial side is usually longer than the distal side, distinguishing it from the mandibular incisors.
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