Alumina (Al2O3) |
High fracture toughness, strength, and fatigue resistance |
Not biodegradable |
[16] |
Zirconia (ZrO2) |
Wear resistance |
Risk of catastrophic fracture |
[17] |
Pyrolytic carbon |
Biological inert, biocompatibility, hemocompatibility |
Not biodegradable |
[18] |
Silicon carbide (SiC) |
Excellent mechanical properties, biocompatibility |
Not biodegradable |
[15] |
Bioactive
|
Strengths
|
Limitations
|
References
|
Calcium phosphates: |
High biocompatibility, similarity to bone mineral phase |
Brittle, poor mechanical properties |
[19] |
Hydroxyapatite (HAp) |
Chemical composition and Ca/P ratio closer to bone than any other calcium phosphate |
Low solubility, slow degradation rate |
[19] |
Tricalcium phosphate (TCP) |
Crystalline forms of high solubility, resorbability |
Low mechanical resistance, excessive resorbability |
[20] |
Biphasic calcium phosphates (BCP) |
Improved bone growth over HAp and TCP alone |
Hard to couple material degradation with tissue growth |
[21] |
Bioactive glasses |
Strong bond to surrounding tissue, antibacterial properties |
Poor mechanical properties |
[22,23,24] |
Coralline |
Excellent porous structure, interconnectivity |
High variability dependent on the source material |
[19] |