4. Surface treatments for improved biocompatibility
The surface composition and condition of a biomaterial are crucial to its biocompatibility, since the interface between a biomaterial and its working environment is where the material/tissue interaction takes place. The aim is to minimize these interactions as much as possible. Several strategies can be implemented, such as :
surface modifications ;
surface treatments using coatings.
In order to demonstrate the influence of a surface treatment on the biocompatibility of a material, numerous tests of the treated material in a variety of biological environments (cell cultures, animal experiments, human clinical experiments) are necessary. In the initial stages, a variety of easy-to-use surface characterization techniques are used. These include surface chemical analysis (XPS),...
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Surface treatments for improved biocompatibility
Conclusion
Bibliography
Websites
On biocompatibility and the different alloys used http://membres.lycos.fr/atollimplant/tolerance.htm
Dental implants and osseointegration http://www.implants-dchappuis.ch/implants.htm
Norms and Standards
- Dental art – Metallic materials for fixed and removable restorations and appliances - EN ISO 22674 - 2006
- Surgical implants – High-density alumina-based ceramic products - ISO 6474 - 1994
Statistical and economic data
In industrialized countries, the lifespan of the population is increasing (figure 1 ), which may partly explain the growing development of biomaterials....
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