is the treatment to remove necrotic or inflammed nerve tissue/blood vessels within the tooth to save the tooth. Once the tooth is cleaned/shaped, the filler (gutta percha) is placed to filled the internal space of the tooth. After the root canal therapy, the tooth becomes dry/brittle so the dental crown is recommended.
retreatment of failed root canal Before(L)/ After (R)
Treatment of infected tooth Before(L)/After (R)
Grossly carious tooth root canal therapy Before (L)/After (R)