Scientists Can Regrow Teeth With Lasers

Regenerative medicine is very exciting, it will change healthcare massively in the decades ahead.
 
Could be why ya need to grow new teeth...

Bet you won't forget to brush tonight! These gruesome 'alien invaders' are the bacteria lurking in the plaque on your TEETH
1 September 2014 ~ They may look like rare plants, or perhaps the surface of a far off planet but these gruesome 'alien invaders' are in fact the plaque that coats your teeth, providing a stark reminder of the consequences of poor dental hygiene.
Enough to make anyone book an appointment to see a dentist, these scanning electron microscope (SEM) images show extreme close ups of plaque, incisors and decay, revealing the effects of bacteria lurking in the mouth.

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Gums: This image reveals a large number of yellow-coloured bacteria in the gingiva, or gums, of a human mouth

The set includes shots of the pink surface of dental plaque and a blue carpet of bacteria on a yellow tooth, while other images include plaque nestled among the bristles of a used toothbrush.

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Alien invasion: This image has been magnified x1000 and coloured to show the plaque-forming bacteria that lurks on teeth

The pictures were taken with a microscope that scans a sample with a focused beam of electrons, and the images are then coloured either digitally or by hand to distinguish the decay and plaque and illuminate the miniscule particles that are not visible to the human eye.

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They were talking about something similar on NPR using adult stem cells to regenerate retinas although they were injecting the cells into the eye in order to kick start the process. They were only doing this with people who were already almost totally blind so as not to actually cause blindness if they fail. So far the results are promising but this is still a long way from being a cure.
 

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