Glass that's Stronger than Steel
technologyreview.com
technologyreview.com
NASA supposedly uses silver elements in ISS crew clothes to kill bacteria and eliminate odors
http://www.usatoday.com/tech/science/space/2009-07-30-astron...
It would be perfect for fillings.
But the interesting part isn't the material used, but the demonstration of how to make glass thats stronger then steel. So now they just get mixing/playing and see which cheap material is best to do this with.
I stopped reading after that. When these "Wonder Materials" are actually for sale is when its time to tell everyone.