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It can happen. Removing a lot of the tooth for a crown can cause the tooth to go into "shock" and die. Meaning it needs a root canal. Or it could have been that the tooth was so decayed that it was very close to exposing the nerve when all of the decay was removed. Sometimes teeth heal themselves and other times they don't and they need a root canal. It happens occasionally.

It is not very common but it's something that can happen.

Sometimes the pulp has extentions that are close to the edge of the tooth and that don't always show on an x-ray. That is why, in these cases, the pulp might be irritated after putting a crown, therefore needing a root canal.

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โˆ™ 2015-07-15 21:44:20
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Q: How common is it to have to have a root canal done shortly after having a new crown?
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Is a root canal necessary when getting a crown?

No, a root canal is not necessarily required when getting a crown.


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Is replacing bonded tooth with a crown necessary to prevent root canal?


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In my experience the answer is yes. I have had three root canals and only one crown. Let me explain before you get excited. I had an uneventful, yet rather expensive root canal/crown combo shortly after having my son 8 years ago. Then I had another root canal done in 2/08. I had a temporary filling in place. I never went to get the crown done because it was too expensive and I had lost my dental coverage. Well fast forward to today and I had to get another root canal on that same tooth because it became reinfected and was throbbing painful. So while researching "how long until Novocaine wears off". I saw this question was unanswered and thought I could share my experience. I know the entire root canal/crown thing is really darn expensive but in my experience don't wait, 'lest you want to do it all over again.' By the way, the charge to redo my root canal was more, not less expensive the second time around. You better believe I am getting my crown right away this time.


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