Endodontics · single question
Which tooth is LEAST likely to have a second (accessory) canal?
Show answer and explanation
Correct answer: A. Maxillary lateral incisor
- A. Correct. Maxillary lateral incisors almost always have a single canal.
- B. Mandibular incisors frequently have two canals.
- C. Maxillary first premolars usually have two canals/roots.
- D. Mandibular first molars commonly have an extra distal canal.
Note: The maxillary CENTRAL incisor is equally single-canal; among the choices given, the maxillary incisor is the answer.