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Sodium Hypochlorite Accidents During Root Canal Treatment

Written by
Dr. Shwetha Hegde
and medically reviewed by iCliniq medical review team.

Published on Jun 19, 2015 and last reviewed on Aug 01, 2019   -  2 min read


Sodium hypochloride is used to irrigate the root canals during root canal treatment. Forceful irrigation can result in sodium hypochloride accidents.

Sodium Hypochlorite Accidents During Root Canal Treatment

Sodium hypochlorite (NaOCl) can be commonly found in a dentist's office. It is used as an irrigant during root canal treatments as it dissolves organic soft tissue of pulp and predentin. It is usually used in a dilution of 0.5% or less. Higher concentrations of sodium hypochlorite are cytotoxic. It has a foul chlorine smell and taste. When sodium hypochlorite extends through the periapex of the tooth and comes in contact with the periapical tissues, it causes acute inflammation followed by necrosis.

Sodium Hypochlorite Accident:

If the patient experiences a sudden severe pain during the root canal procedure, we must suspect a sodium hypochlorite accident. The signs and symptoms include:

How does a Dentist Manage NaOCl Accidents?

How can a Dentist Avoid NaOCl Accidents?

Consult a dentist online for queries regarding root canal treatment -->


Last reviewed at:
01 Aug 2019  -  2 min read




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