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FAQ:  Root Canal Therapy RCT

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I recently had to have a root canal redone. I was experiencing some pain and swelling in the gum area. I went to a dentist that did 16 x-rays and told me I needed a major cleaning as well as redoing my root canal.

He redid the root canal, however, I would like to know if re-doing a root canal requires posts. He said he prepared my tooth for a crown, but stated that he put a post in. I do not recall the dentist putting a post in. Could you please tell me what is required when re-doing a root canal? ...Visitor from MI

Every tooth is different, so I would need to see x-rays to be able to tell. The post and the root canal are not related, but 90% of back teeth with root canals need posts.

If your dentist is skilled at root canal retreatments I bet he is a good dentist. Follow his advice

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