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Question 113 (part 2) · LDEK · Access and canal preparation

Choose true sentences concerning primary and secondary access preparation in incisors:

1) trephination point in maxillary incisors in adolescents is located in lingual tubercule;
2) during orifice’s preparation in maxillary incisors, dentin forming the coronal protuberance should be removed from the labial side;
3) mandibular incisors in type II configuration according to Verucci, vestibular is the main canal and lingual is an accessory;
4) in case of presence of two canals in mandibular incisors, endodontic enlargement should be moved towards the incisal edge and lingual direction;
5) outline of endodontic enlargement in all incisors is of oval shape, and its size is dependent on patient’s age.
Correct answer is:
  1. A. 1,2,3.
  2. B. 2,4.
  3. C. 3,4.
  4. D. 2,3,5.
  5. E. 1,4,5.
Hint

Recall the access outlines: triangular in maxillary incisors, removal of the lingual shoulder, and incisal-lingual extension for a second mandibular canal.

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