my boss gave me this link to view. So i retract my previouls statement, i just know that many types of composit laminants and certin poly's the human body rejects. However with the aid of anti-rejecting Drugs (chevelle454 should know about these) There are advancements in implant materials. I origional thought Anti-rejection drugs were more for organ trabsplants, however I have heard that they are playing a significant role in orthopedics now. Check this out
http://www.ncbi.nlm.nih.gov/entrez/q...&dopt=Abstract