description of injury
"A completely avulsed tooth that is replaced within one hour of the injury can be permanently retained." huh!!!
more fun graphic descriptions here: https://en.wikipedia.org/wiki/Avulsion_injury
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description of injury
Note that "retained" doesn't mean that it goes back to normal. It's apparently (based on a few random websites) very common for the pulp to become necrotic (because it has lots its blood supply and that apparently has very little chance of reconnecting reasonably) and thus for the tooth to require root canal treatment.
