Question 49 (part 2) · LDEK · Pulp chamber and root canal anatomy

Indicate true sentences concerning the border point, which determines the range of RTC:

1) smaller foramen;
2) apical constriction;
3) physiological foramen;
4) apical foramen.
Correct answer is:
  1. A. only 4.
  2. B. only 3.
  3. C. only 2.
  4. D. 2,4.
  5. E. 1,2,3.
Hint

Recall the different names given to the narrowest point of the canal near the cementodentinal junction.

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