Ah, no -- this is the same as a regular root canal (including drilling out the original inside of the tooth), except that instead of filling in the tooth with a

Ah, no -- this is the same as a regular root canal (including drilling out the original inside of the tooth), except that instead of filling in the tooth with an inert cement, they've sorted out a way to have flesh regrown inside the tooth (below a plug)... though there will be no nerve, so you have flesh inside of a drilled-out, plugged tooth instead of a fully-restored tooth.