Journal
JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T
Volume 23, Issue -, Pages 2626-2641Publisher
ELSEVIER
DOI: 10.1016/j.jmrt.2023.01.155
Keywords
Additive manufacturing; Bone growth; Porous structures; Implant
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This study reviews the design and manufacturing performance of porous titanium alloy implants manufactured by additive manufacturing technology, and analyzes the design parameters that affect bone ingrowth performance. Based on current technology trends, the future development of bone implants in terms of advanced multi-materials, design methods, and post-treatment methods is discussed.
The porous structure design of implants can not only obtain a more lightweight implant but also provide more space for its cell growth. The technology development of additive manufacturing (AM) offers an effective way for customized porous implants. To explore the suitable porous titanium bone implants made by AM, this paper reviews the research progress in the designing and manufacturing performance of porous titanium alloy im-plants, which are manufactured by AM. The design parameters that affect the bone ingrowth performance are analyzed, including the porosity, shape, and aperture of the pore. Based on the current technology trend, the future development of bone implants in advanced multi-materials, design methods, and post-treatment methods is prospected.(c) 2023 The Author(s). Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
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