|About this Abstract
||MS&T21: Materials Science & Technology
||Late News Poster Session
||Fabrication of Doped β-tricalcium Phosphate Bioceramics by Robocasting for Bone Repair Applications
||Nicolas Somers, Florian Jean, Marie Lasgorceix, Anthony Thuault, Fabrice Petit, Sandra Balvay, Christelle Der Loughian, Claire Gaillard, Laurent Gremillard, Anne Leriche
|On-Site Speaker (Planned)
β-tricalcium phosphate (β-TCP, β-Ca3(PO4)2) is one of the most attractive biomaterials for bone repair because it exhibits excellent biological compatibility, osteoconductivity, and resorbability. Due to its interesting properties, it can be used to produce bone implants serving as temporary supports for bone regeneration. In this work, Mg2+, Sr2+, Cu2+ and Ag+ doped TCP was synthesized to increase its mechanical and biological properties as well as give antibacterial properties.
Doped β-TCP macroporous scaffolds were processed by robocasting, a 3D printing technique where 3D objects are built by extruding a filament of paste. Indeed, this additive manufacturing method is an ideal technique for constructing fine and dense ceramic structures with geometrically complex morphology. The printed macroporous scaffolds were sintered by conventionnal and microwave sintering which were compared in terms of density and microstructure. Finally, mechanical and bilogicial properties were conducted on the different doped compositions.