#MCQ 21 - During the Master cone fitting procedure in the endodontic treatment of a patient's tooth, the patient says he has a "sharp shooting pain in the same tooth that ached earlier". What should be your response and why?

#MCQ 21- During the Master cone fitting procedure in the endodontic treatment of a patient's tooth, the patient says he has a "sharp shooting pain in the same tooth that ached earlier". What should be your response and why?

A. Continue with obturation, the anesthetic is simply wearing off
B. Continue with obturation, this is a normal complaint during this part of the procedure
C. Consider looking for an accessory canal and re-filing, there is likely pulpal tissue that has not been properly debrided
D. Irrigate further, the Sodium Hypochlorite should take care of this problem
E. Temporize the tooth and obturate at a later date

Answer: C. Consider looking for an accessory canal and re-filing, there is likely pulpal tissue that has not been properly debrided

This indicates inadequate debridement, as a pulpless tooth should not respond to any stimuli.
The most important consideration before filling a root canal is proper cleaning (debridement)and shaping (instrumenting) of the canal. Once the canal is obturated, any organisms
that have entered the periapical tissues from the canal are eliminated by the natural defenses
of the body.

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