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Functionally graded materials for orthopedic applications - an update on design and manufacturing
Antonella Sola1, Devis Bellucci1, Valeria Cannillo1
1Department of Engineering "Enzo Ferrari", University of Modena and Reggio Emilia, Via Pietro Vivarelli, 10, int. 1 (ed. 26), 41125 Modena, Italy.
Biotechnology Advances
|January 13, 2016
Summary
Functionally graded materials (FGMs) offer tailored properties for orthopedic prostheses by mimicking bone structure. This minimizes stress shielding and enhances implant longevity, crucial for successful bone grafts.
Area of Science:
- Biomaterials Engineering
- Orthopedic Implants
- Materials Science
Background:
- Functionally Graded Materials (FGMs) exhibit spatially varying composition and microstructure.
- This gradient eliminates abrupt interfaces, allowing properties to match specific non-homogeneous service requirements.
- FGMs are promising for orthopedic prostheses due to their ability to replicate bone properties.
Purpose of the Study:
- To review the application of FGMs in orthopedic prostheses.
- To discuss the biological and biomechanical rationale for using FGMs in bone grafts.
- To explore computational design tools and manufacturing techniques for FGM orthopedic implants.
Main Methods:
- Literature review of natural graded systems, focusing on bone tissue.
- Analysis of biological and biomechanical requirements for orthopedic FGMs.
- Survey of computational design tools and manufacturing techniques for FGM implants, including coatings, 3D parts, and scaffolds.
Main Results:
- FGMs can reduce stress shielding and shear stress at the implant-bone interface.
- Computational tools are essential for FGM design and optimization.
- Various manufacturing techniques exist for FGM coatings, 3D parts, and scaffolds.
Conclusions:
- FGMs offer significant advantages for orthopedic implants by mimicking bone's natural gradient.
- Effective integration of design and manufacturing is critical for successful FGM implant development.
- Further advancements are needed to fully realize the potential of FGM-based orthopedic solutions.
