If you have already experienced a root canal, you no doubt are grateful for the pain relief that it gave you while also allowing you to keep your natural tooth. After all, often the only alternative to a root canal is extraction and a bridge or implant. While modern implants are better than ever, there’s really nothing like keeping your natural teeth. That’s why a retreatment may also sometimes be necessary.
Read the full article here: ROOT CANAL RETREATMENT: WHEN IS IT NECESSARY?