ArticleJournal of orthopaedic surgery and research2020
Mechanical behavior of a titanium alloy scaffold mimicking trabecular structure.
Article in Journal of orthopaedic surgery and research, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed.
- The Correlation of Enhanced Osteogenic Capability in Titanium Alloy Implants Through Modulation of the Runx2/BSP Pathway.Journal of cellular and molecular medicine · 2026Article
- Cellular metabolomics reveals the osteogenic mechanism of MC3T3-E1 cells in porous Ti6Al4V scaffolds under low-intensity pulsed ultrasound.Frontiers in cell and developmental biology · 2026Article
- Advances in Titanium-Based Biomaterial for Human Bone Scaffolds: Narrative Review on Design, Fabrication, Surface Engineering, Implantation, and Biological Evaluation.Materials (Basel, Switzerland) · 2025Review
- Clinical Application of 3D-Printed Custom Hemipelvic Prostheses With Re-Entrant Chiral Structure in Reconstruction After Pelvic Tumor Resection.Orthopaedic surgery · 2025Article
- Osteogenic Differentiation in Chitosan-Based Scaffolds via P28 and VEGF Delivery.Molecules (Basel, Switzerland) · 2025Article
- Comparison of the Trabecular Titanium Acetabular Shell with Burch-Schneider Cages in Revision Hip Arthroplasty.Journal of clinical medicine · 2025Article
- Designing and additive manufacturing of talus implant for post-traumatic talus avascular necrosis: a case study.Journal of orthopaedic surgery and research · 2024Article
- Studying trabecular bone samples demonstrates a power law relation between deteriorated structure and mechanical properties - a study combining 3D printing with the finite element method.Frontiers in endocrinology · 2023Article
- Definition, measurement, and function of pore structure dimensions of bioengineered porous bone tissue materials based on additive manufacturing: A review.Frontiers in bioengineering and biotechnology · 2022Review
- Preliminary Clinical and Radiographic Evaluation of a Novel Resorbable Implant of Polylactic Acid (PLA) for Tibial Tuberosity Advancement (TTA) by Modified Maquet Technique (MMT).Animals : an open access journal from MDPI · 2021Article
- 3D Printing Technologies in Metallic Implants: A Thematic Review on the Techniques and Procedures.International journal of bioprinting · 2021Review
- Challenges on optimization of 3D-printed bone scaffolds.Biomedical engineering online · 2020Review
- New Zr-Ti-Nb Alloy for Medical Application: Development, Chemical and Mechanical Properties, and Biocompatibility.Materials (Basel, Switzerland) · 2020Article
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8 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundAdditively manufactured porous metallic structures have recently received great attention for bone implant applications. The morphological characteristics and mechanical behavior of 3D printed titanium alloy trabecular structure will affect the effects of artificial prosthesis replacement. However, the mechanical behavior of titanium alloy trabecular structure at present clinical usage still is lack of in-depth study from design to manufacture as well as from structure to mechanical function.
methodsA unit cell of titanium alloy was designed to mimick trabecular structure. The controlled microarchitecture refers to a repeating array of unit-cells, composed of titanium alloy, which make up the scaffold structure. Five kinds of unit cell mimicking trabecular structure with different pore sizes and porosity were obtained by modifying the strut sizes of the cell and scaling the cell as a whole. The titanium alloy trabecular structure was fabricated by 3D printing based on Electron Beam Melting (EBM). The paper characterized the difference between the designs and fabrication of trabecular structures, as well as mechanical properties and the progressive collapse behavior and failure mechanism of the scaffold.
resultsThe actual porosities of the EBM-produced bone trabeculae are lower than the designed, and the load capacity of a bearing is related to the porosity of the structure. The larger the porosity of the structure, the smaller the stiffness and the worse the load capacity is. The fracture interface of the trabecular structure under compression is at an angle of 45
conclusionWe have systematically studied the structural design, fabrication and mechanical behavior of a 3D printed titanium alloy scaffold mimicking trabecula bone. This study will be benefit of the application of prostheses with proper structures and functions.
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