US Patent 7648726 - Nanoparticle coated dental implant

http://www.freepatentsonline.com/7648726.html

This patent from Chemat Technology teaches a calcium based nanoparticle coating to improve bond strength and biocompatibility for medical and dental implants. Claim 1 reads:

1. A method comprising:

chemically charging a surface of a medical or dental implant; and

contacting the implant with a colloid comprising crystalline hydroxyapatite nanoparticles on the implant.