Multiple choice

The apical foramen is

  1. not always located in the center of the root apex

  2. not always the most constricted portion of the root canal

  3. both 1 and 2

  4. none of the above
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The apical foramen is not always the most constricted portion of the root canal as constrictions can and do occur before the extremity of the root is reached. Apical constrictions are found 0.5 to 1.0 mm away from the root apex. The apical foramen is not always located in the center of the root apex as it may exit on the mesial, distal, labial or lingual surface of the root, usually slightly eccentrically.

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