3. A biomaterial is any matter, surface, or
construct that interacts with biological
systems
The study of biomaterials is
called biomaterials science
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7. Examples of metallic biomaterials:
- Titanium alloy (Ti-6Al-4V)
90% Ti, 6% Al, 4% V; low amounts of H, Fe, N,
C
femoral stem
- Stainless steel 316L
63% Fe, 18% Cr, 13% Ni; low amounts of N,
Mn,
Mo, P,
Si, S, and C
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11. Corrosion
The extra-cellular environment is a
chemically aggressivespace. Metallic
biomaterials are good conductors in
anelectrolyte solution, leading to galvanic
corrosion.