Development and Testing of X-Ray Imaging-Enhanced Poly-L-Lactide Bone Screws

Nanosized iron oxide particles exhibit osteogenic and radiopaque properties. Thus, iron oxide (Fe3O4) nanoparticles were incorporated into a biodegradable polymer (poly-L-lactic acid, PLLA) to fabricate a composite bone screw. This multifunctional, 3D printable bone screw was detectable on X-ray exa...

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Veröffentlicht in:	PloS one 2015-10, Vol.10 (10), p.e0140354-e0140354
Hauptverfasser:	Chang, Wei-Jen, Pan, Yu-Hwa, Tzeng, Jy-Jiunn, Wu, Ting-Lin, Fong, Tsorng-Harn, Feng, Sheng-Wei, Huang, Haw-Ming
Format:	Artikel
Sprache:	eng
Schlagworte:	3-D printers 3D printing Animals Bend strength Biocompatibility Biodegradability Biodegradation Biomedical materials Bone imaging Bone Screws - adverse effects Bone surgery Bones Composite materials Dentistry Femur Femur - diagnostic imaging Femur - surgery Ferric Compounds - chemistry Ferric oxide Injection molding Iodine Iron Iron compounds Iron oxides Lactic Acid - chemistry Mechanical properties Mechanical tests Medical imaging Nanoparticles Nanoparticles - adverse effects Nanoparticles - chemistry NMR Nuclear magnetic resonance Osteogenesis Polyesters Polylactic acid Polymers Polymers - chemistry Printing, Three-Dimensional Rabbits Radiography Radiopacity Screws Surgery Tensile Strength Tensile stress Three dimensional printing Tissue engineering Transplants & implants Ultimate tensile strength X-Rays
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