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 • Biomaterials

 A biomaterial is essentially a material that is used and adapted for a medical application. Biomaterials can have a benign function, such as being used for a heart valve, or may be bioactive . Used for a more interactive purpose such as hydroxy-apatite coated hip implants (the Furlong Hip, by Joint Replacement Instrumentation Ltd, Sheffield is one such example – such implants are lasting upwards of twenty years).

 Biomaterials are also used every day in dental applications, surgery, and drug delivery (a construct with impregnated pharmaceutical products can be placed into the body, which permits the prolonged release of a drug over an extended period of time).

 The definition of a biomaterial does not just include man-made materials which are constructed of metals or ceramics. A biomaterial may also be an autograft, allograft or xenograft used as a transplant material.

 

Applications

 Biomaterials are used in:

  • Joint replacements
  • Bone plates
  • Bone cement
  • Artificial ligaments and tendons
  • Dental implants for tooth fixation
  • Blood vessel prostheses
  • lenses ,....

Typical projects:

  • Optimization of tensile, wear and impact properties of amalgam atomized powder
  • Fabrication and mechanical properties of PMC used in dentistry in replacement with metal-based amalgam
  • Effects of Nb and V on microstructure, micro hardness and biocompatibility titanium implants

 

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