ArticleBioMed research international2022
In Vitro and In Vivo Analysis of the Effects of 3D-Printed Porous Titanium Alloy Scaffold Structure on Osteogenic Activity.
Article in BioMed research international, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed, 18 citations in OpenAlex.
- Multifunctional 3D-Printed Titanium Alloy Composite-Coated Scaffold for Modulating the Immune Microenvironment and Promoting Osteogenesis.ACS applied materials & interfaces · 2026Article
- Clinical outcomes and feasibility of 3D-printed titanium alloy scaffolds combined with platelet-rich plasma injection in the treatment of long-segment femoral defects.BMC research notes · 2026Article
- Research progress on osseointegration performance of porous structure-modified titanium alloy implants.Frontiers in bioengineering and biotechnology · 2026Review
- Advances in Titanium-Based Biomaterial for Human Bone Scaffolds: Narrative Review on Design, Fabrication, Surface Engineering, Implantation, and Biological Evaluation.Materials (Basel, Switzerland) · 2025Review
- Effect of Ti6Al4V Alloy Surface and Porosity on Bone Osseointegration: In Vivo Pilot Study in Rabbits.Materials (Basel, Switzerland) · 2025Article
- The rational design, biofunctionalization and biological properties of orthopedic porous titanium implants: a review.Frontiers in bioengineering and biotechnology · 2025Review
- 3D Printing and Surface Engineering of Ti6Al4V Scaffolds for Enhanced Osseointegration in an In Vitro Study.Biomimetics (Basel, Switzerland) · 2024Article
- Antibacterial Structure Design of Porous Ti6Al4V by 3D Printing and Anodic Oxidation.Materials (Basel, Switzerland) · 2023Article
- Construction and osteogenic effects of 3D-printed porous titanium alloy loaded with VEGF/BMP-2 shell-core microspheres in a sustained-release system.Frontiers in bioengineering and biotechnology · 2022Article
Corrections and comments
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Authors and funding
8 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The effect of titanium scaffold geometry on the bone regeneration ability of the scaffold remains unclear. Here, selective laser melting as a 3D printing technology was used to create porous titanium alloy scaffolds with two unit structures: a hollow hexagonal prism (group A) and a hollow triangular prism (group B). The structures and morphologies of the scaffolds were characterized before mechanical properties were simulated. Cell adhesion behaviors, osteoblast activity and proliferation, and alkaline phosphatase (ALP) activity were evaluated, in addition to in vivo testing in an animal model. The results showed that the two scaffolds made of Ti6Al4V had compression moduli similar to that of human cortical bone (116.91 ± 0.01 and 174.29 ± 2.21 MPa vs. 89-164 MPa). The two scaffolds were nontoxic to cells and had good biocompatibility, while group A scaffolds facilitated cell adhesion. The number of cells increased gradually in culture. The ALP activity of cells on group A scaffolds demonstrated higher osteogenic ability than that of group B scaffolds. The in vivo tests showed that all scaffolds retained their shape well after implantation, and no obvious inflammatory reaction or infection in surrounding tissues was found. Based on fluorescence staining, mature new bone formation was found at week 12. Group A scaffolds showed better bone integration ability compared with group B scaffolds. The percentage of new bone area in group A (7.5%) was higher than that in group B (6.5%). This research suggests that the hollow hexagonal prism structure of porous scaffolds can promote osteogenic differentiation and osseointegration better than the triangular prism structure.
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