Wednesday, February 07, 2007

US Patent 7172649 - Metal Oxide Nanoparticle Dentures

http://www.freepatentsonline.com/7172649.pdf

Dentistry is seeing it's fair share or nanotechnology applications. This is the third U.S. patent within a year teaching the use of nanoparticles in a dental implement citing the advantages of high bend strength and fracture resistance. Claim 1 reads:

1. A doped leucite glass ceramic powder, comprising (a) a leucite glass ceramic powder; and (b) a nanoscale metal oxide powder with a d50 value of 1 nm to 200 nm.

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