Cited by 208Bone Tissue Engineering Materials3D Printing in Biomedical ResearchAdditive Manufacturing and 3D Printing Technologies

Three dimensional printed macroporous polylactic acid/hydroxyapatite composite scaffolds for promoting bone formation in a critical-size rat calvarial defect model

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Zhang, Haifeng, Mao, Xiyuan, Du, Zijing, Jiang, Wenbo, Han, Xiuguo, Zhao, Danyang, Han, Dong, Li, Qingfeng·2016·Science and Technology of Advanced Materials

Abstract

We have explored the applicability of printed scaffold by comparing osteogenic ability and biodegradation property of three resorbable biomaterials. A polylactic acid/hydroxyapatite (PLA/HA) composite with a pore size of 500 μm and 60% porosity was fabricated by three-dimensional printing. Three-dimensional printed PLA/HA, β-tricalcium phosphate (β-TCP) and partially demineralized bone matrix (DBM) seeded with bone marrow stromal cells (BMSCs) were evaluated by cell adhesion, proliferation, alkaline phosphatase activity and osteogenic gene expression of osteopontin (OPN) and collagen type I (COL-1). Moreover, the biocompatibility, bone repairing capacity and degradation in three different bone substitute materials were estimated using a critical-size rat calvarial defect model in vivo. The defects were evaluated by micro-computed tomography and histological analysis at four and eight weeks after surgery, respectively. The results showed that each of the studied scaffolds had its own specific merits and drawbacks. Three-dimensional printed PLA/HA scaffolds possessed good biocompatibility and stimulated BMSC cell proliferation and differentiation to osteogenic cells. The outcomes in vivo revealed that 3D printed PLA/HA scaffolds had good osteogenic capability and biodegradation activity with no difference in inflammation reaction. Therefore, 3D printed PLA/HA scaffolds have potential applications in bone tissue engineering and may be used as graft substitutes in reconstructive surgery.

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Crossref · 10.1080/14686996.2016.1145532

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  • PLA scaffolds made using 3D-printing technology result in less inflammation, making it a promising material for repairing bone damage.

    “Some studies evaluated PLA scaffolds made using 3D-printing technology, finding that it results in less inflammation, making it a promising material for repairing bone damage [139,140].”

    From Synthesis and Biological Application of Polylactic Acid (2020) · cites this paper as [140]

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Authors
Zhang, H., Mao, X., Du, Z., Jiang, W., Han, X., Zhao, D., Han, D., & Li, Q.
Affiliations
Shanghai Jiao Tong University (CN)
Corresponding author
Han, Dong
Venue
Science and Technology of Advanced Materials
Published
2016-01-01
Volume
17
Issue
1
Pages
136-148
ISSN
  • 1468-6996 (ISSN-L)
  • 1878-5514
OpenAlex
W2330522579
Cited by
208
References
61
Citations by year
2026: 11 · 2025: 18 · 2024: 14 · 2023: 24 · 2022: 31 · 2021: 32 · 2020: 27 · 2019: 23 · 2018: 13 · 2017: 14 · 2016: 1
FWCI
8.18
Type
journal article
Language
en
Open access
Locations
  • Science and Technology of Advanced Materials (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
National Natural Science Foundation of China (81272132)
Topics
  • Physical Sciences › Engineering › Biomedical Engineering › Bone Tissue Engineering Materials
  • Physical Sciences › Engineering › Biomedical Engineering › 3D Printing in Biomedical Research
  • Physical Sciences › Engineering › Automotive Engineering › Additive Manufacturing and 3D Printing Technologies
Keywords
3D-printed scaffolds, macroporous scaffolds, bone tissue engineering, critical-size calvarial defect, mesenchymal stem cells, osteogenic differentiation, biodegradation, beta-tricalcium phosphate, demineralized bone matrix, bone substitutes, osteopontin, type I collagen, biocompatibility

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