Issue 46, 2022

A review on in vitro/in vivo response of additively manufactured Ti–6Al–4V alloy

Abstract

Bone replacement using porous and solid metallic implants, such as Ti-alloy implants, is regarded as one of the most practical therapeutic approaches in biomedical engineering. The bone is a complex tissue with various mechanical properties based on the site of action. Patient-specific Ti–6Al–4V constructs may address the key needs in bone treatment for having customized implants that mimic the complex structure of the natural tissue and diminish the risk of implant failure. This review focuses on the most promising methods of fabricating such patient-specific Ti–6Al–4V implants using additive manufacturing (AM) with a specific emphasis on the popular subcategory, which is powder bed fusion (PBF). Characteristics of the ideal implant to promote optimized tissue-implant interactions, as well as physical, mechanical/chemical treatments and modifications will be discussed. Accordingly, such investigations will be classified into 3B-based approaches (Biofunctionality, Bioactivity, and Biostability), which mainly govern native body response and ultimately the success in implantation.

Graphical abstract: A review on in vitro/in vivo response of additively manufactured Ti–6Al–4V alloy

Article information

Article type
Review Article
Submitted
01 août 2022
Accepted
03 oct. 2022
First published
15 oct. 2022

J. Mater. Chem. B, 2022,10, 9479-9534

A review on in vitro/in vivo response of additively manufactured Ti–6Al–4V alloy

S. Alipour, S. Nour, S. M. Attari, M. Mohajeri, S. Kianersi, F. Taromian, M. Khalkhali, G. E. Aninwene and L. Tayebi, J. Mater. Chem. B, 2022, 10, 9479 DOI: 10.1039/D2TB01616H

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