Multiple choice

In the past at the start of root canal therapy, which of the following agents has been used for extirpating pulp painlessly?

  1. Arsenic

  2. Paraformaldehyde

  3. Diathermy

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

All the agents have been used in the past in an attempt to extirpate pulp painlessly. But with the advent of local anesthesia, all these methods have been labeled inadequate, time consuming and archaic.

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