Bioactive cement scaffold aids bone grafts

Apr 17, 2006

U.S. scientists say they've developed a technology for implants that might improve construction or repair of facial, skull and jaw bones.

The technology was developed by researchers from the American Dental Association Foundation in Chicago and the federal government's National Institute of Standards and Technology laboratories in Boulder, Colo.

The technology provides a method for making scaffolds for bone tissue that is seeded with a patient's own cells and formed with a cement paste made of bone minerals. The paste is shaped or injected into a bone cavity and allowed to harden with the encapsulated cells dispersed throughout the structure.

The natural polymer beads gradually dissolve when exposed to the body's fluids, creating a scaffold that is filled by the now released bone cells.

"Bone cells are very smart," said Hockin Xu, of the ADAF and principal investigator. "They can tell the difference between materials that are bioactive compared to bioinert polymers. Our material is designed to be similar to mineral in bone so that cells readily attach to the scaffold."

The research is described in detail in the April issue of the Journal of Biomedical Materials Research B.

Copyright 2006 by United Press International

Explore further: Knowledgeable consumers more likely to buy when given fewer options

add to favorites email to friend print save as pdf

Related Stories

Advancing medicine, layer by layer

Jul 02, 2014

Personalized cancer treatments and better bone implants could grow from techniques demonstrated by graduate students Stephen W. Morton and Nisarg J. Shah, who are both working in chemical engineering professor ...

Recommended for you

Ultra high definition TVs boost LG Display profit

2 hours ago

(AP)—LG Display Co. said profit for the April-June quarter more than doubled as a stronger won reduced the value of its foreign debt and the World Cup boosted demand for ultra-high-definition TVs.

Drugmaker GSK slashes annual profits forecast

3 hours ago

British drugmaker GlaxoSmithKline on Wednesday slashed its 2014 profits forecast as second-quarter earnings sank on the back of weak US trade, adverse currency moves and a Chinese bribery probe.

Perthites wanted for study on the Aussie lingo

3 hours ago

We all know that Australians speak English differently from the way it's spoken in the UK or the US, and many of us are aware that Perth people have a slightly different version of the language from, say, Melbournians - but ...

User comments : 0