Bone |
Autologous bone |
Biocompatible with high bone fusion rate |
Limited sources |
Allogenic bone |
Relatively high bone fusion rate |
Immune rejection |
Heterologous bone |
Wide variety of sources |
Severe immune rejection and poor bone formation |
Bone cement |
Non-bioactive bone cement |
Easy fit, good hardening properties |
Poor biocompatibility, non-osteoinductive, non-osteoconductive |
Bioactive bone cement |
High strength, stability and bone induction activity |
Insufficient mechanical properties, expensive |
Metal |
Stainless steel |
Easy processing, inexpensive |
High stiffness, poor biocompatibility |
Titanium alloy |
Biocompatible, corrosion resistance |
Poor wear resistance |
Cobalt chromium alloy |
Biocompatible, high corrosion resistance |
Low ductility |
Ceramic |
Aluminium oxide |
Inertness, high corrosion resistance |
Possible local stress |
Apatite-wollas-tonite glass ceramic |
Good biological activity |
Brittleness, poor flexibility |
Polymer |
Poly(lactic-co-glycolic) acid (PLGA) |
Biocompatible, degradable |
Possible disruption |
PMMA |
Corrosion resistance, easy fit |
Poor biocompatible |
Chitosan |
High degradable and biocompatible, porous structure, good mechanical properties |
Non-osteoinductive, inadequate bone formation ability, low solubility |
Alginate |
Easy to manipulate, non-toxic, biodegradable, less expensive |
Low mechanical stability |