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Do we want to get our teeth into this scientific breakthrough?

By Nuala McKeever

Published 06/08/2013

While I was away the science boffins didn't let the grass grow under their feet -- oh no, they were too busy growing a beef burger in a laboratory and a tooth in urine.

Strictly speaking, they grew the tooth from stem cells taken from urine.

But still, it heralds the future. No more going to bed at night with your dentures in a glass of water by the bed.

Just pop a glass of pee on the side, throw in a few hundred thousand pounds worth of expertise and equipment, and hey presto, you wake up to brand new gnashers!

What I really want to know, though, is how it knows exactly which sort of tooth to grow?

I mean, you don't want to be left with all molars or you'd never be able to smile in public again.

And you certainly don't want a mouthful of front teeth or you'd end up looking like one of the Osmonds.

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