can dead coral be "reborn?"

I had a frog skin acro had some stn and the flesh was receding but now it is reclaiming its former skeleton lol.

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I have a question, what if you have a acro skeleton and you place a living polyp on it(lets say in the middle. would that polyp spread up the dead skeleton(more then just average base spreading) or would calcify its own first.

 

plate corals, favia, lobos-even zoa's, given time they can be "reborn"- but it takes a long time.

best example- the great barrier reef- have a look at what has been going on down under with a little help from not only mother nature but humans as well.

 

It would treat the acro skeleton as if it were any other rock and grow around it and over it.

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So this discussion got me to thinking, good god I hope so, anyway I looked around my tank for some older blasto frags that melted within 24 of getting them. The same thing happened at the LFS where I got them, something about the fragging process.
I decided to go look for the plugs, just curious. When the plugs were moved to a rubble pile they appeared completely gone and devoid of tissue. Guess I was wrong because this is what I found over a month later.



I am confident that with some TLC the blast will make a come back.

 

This is something I've had to teach employees before. Just because an acro is white, it doesn't mean it's dead.....it could just be bleached. I would have them smell a live acro, smell a dead acro, and then have them smell an acro that they thought was DOA from the supplier. Hmmm, it smells like the live one and not the dead one??? There's a reason for that....it's still alive. I would put it in the sump, they would forget about it, and then a month later I would show them a very much alive acro.