What are the causes of endodontic painlesions in, Ask an Expert

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What are the causes of endodontic pain?

Lesions in retreatment cases called post endodontic diseases.

Reasons of Endo retreatment; = reasons of failure:
- Signs or symptoms of failure of previous endodontic treatment
- Persisting intraradicular infection
- Persisting extraradicular infection
- Inadequate root canal obturation
- Evidence of missed canal, ledge or fracture instrument
- Coronal leakage; in case of broken amalgam and there is leakage more than 15 days, it need retreatment.

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Category:- Biology
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