Porous biodegradable metals for hard tissue scaffolds: A review

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Abstract

Scaffolds have been utilized in tissue regeneration to facilitate the formation and maturation of new tissues or organs where a balance between temporary mechanical support and mass transport (degradation and cell growth) is ideally achieved. Polymers have been widely chosen as tissue scaffolding material having a good combination of biodegradability, biocompatibility, and porous structure. Metals that can degrade in physiological environment, namely, biodegradable metals, are proposed as potential materials for hard tissue scaffolding where biodegradable polymers are often considered as having poor mechanical properties. Biodegradable metal scaffolds have showed interesting mechanical property that was close to that of human bone with tailored degradation behaviour. The current promising fabrication technique for making scaffolds, such as computation-aided solid free-form method, can be easily applied to metals. With further optimization in topologically ordered porosity design exploiting material property and fabrication technique, porous biodegradable metals could be the potential materials for making hard tissue scaffolds. Copyright © 2012 A. H. Yusop et al.

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Yusop, A. H., Bakir, A. A., Shaharom, N. A., Abdul Kadir, M. R., & Hermawan, H. (2012). Porous biodegradable metals for hard tissue scaffolds: A review. International Journal of Biomaterials. https://doi.org/10.1155/2012/641430

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