What is the lifespan of a root canal?

How long can a root treated tooth be used? I think since killing the roots will stop the supply of nutrients to the tooth, this solution is not very durable.
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1 Answer

Answer :

It depends on a lot of things. It is certain that a tooth will die after root canal treatment, however, if root canal treatment is done well, that tooth can be good for decades to come. An acquaintance of mine told me that he even had a metal wand in his filling, giving the tooth even more inner strength. 
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