Light-curable polymer/calcium phosphate nanocomposite glue for bone defect treatment.
作者： Oliver D. Schneider , Alexander Stepuk , Dirk Mohn , Norman A. Luechinger , Kirill Feldman
DOI: 10.1016/J.ACTBIO.2010.01.033
关键词: Materials science 、 Ultimate tensile strength 、 Photopolymer 、 Amorphous calcium phosphate 、 Cement 、 Polymer 、 Composite material 、 Nanocomposite 、 Composite number 、 Methacrylate
摘要: Light-curable, methacrylate-based resins are clinically used for complex defect repair in dentistry (Heliobond®). The present study investigates how such easy-to-apply polymers may be on a much broader range of applications, particularly gluing wet bone. We investigate the significantly improved adhesion polymer to bone surfaces close vivo setup using freshly cut cow hip as model. use reactive filler (20 wt.% amorphous, glassy calcium phosphate nanoparticles, a-CaP) allows combination properties (strength; light-curing) and (recrystallization amorphous CaP hydroxyapatite within minutes). This alone has been earlier suggested an injectable cement since it reacts under conditions 10–15 min. Our transfers this reactivity into composite, thus phase establish composite surfaces. Additional vitro bioactivity tests, compressive tensile strength suggest light-curable nanocomposites complex-shaped load-bearing implant materials fracture repair.
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