How long does it take after root canal procedure to add permanent crown when tooth is infected and there is bone loss?

Question

I am getting retreated for root canal after a year because the previous dentist failed to do it correctly which led to an infection and significant bone loss (2.5 mm). I've gotten two different opinions and one mentions having to wait 8 months to add the permanent crown because it is necessary to wait till the infection goes away while the other says it's a 3 week procedure.

Kourosh Maddahi, DDS · Answer

Hi:I would say anywhere between 2-4 weeks after the root canal it is safe to place the permenant crown.  However, the tooth has to be monitored to make sure the infection is gone.Best,Dr. Maddahi

Thomas Dey, BDS, MSc · Answer

How long to wait is really a question of money and what type of bite you have. The risk of waiting 8 months would be:
You cannot really use the toothIf you accidentally use the tooth, it could break and be unsaveableIf the temporary filling leaks then the whole root infection could restart
The benefit of waiting is:
If the the tooth does not heal, the retreatment will have to go through and destroy the crown. You may need a new crown afterwardsIf the tooth does not heal and the infection is still there, it can be easier to re-do the treatment without having to do it through the crown. If that is the case you will definitely need a new crown.
A lot of this comes down to how hard your bite is, if you are a bruxist and grind or clench your teeth overnight or even during the day.
You have to be clear about these questions to your dentist so they can guide you best.
Good luck and kind regards

Thomas Dey, BDS, MSc

How long does it take after root canal procedure to add permanent crown when tooth is infected and there is bone loss?

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