Multiple choice

When a root canal is done, during access opening

  1. a drop of the bur may be felt

  2. a drop of the bur is never felt

  3. a drop of the bur may be felt if the pulp chamber is large

  4. a drop of the bur is always felt
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

During access opening of a tooth, drop of the bur may be felt if the pulp chamber is large, but in partially calcified chambers, the drop is not felt and the operator has to rely on the measurements made to avoid penetration beyond the chamber roof.

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