期刊
POLYMERS
卷 14, 期 3, 页码 -出版社
MDPI
DOI: 10.3390/polym14030566
关键词
3D printing; bone tissue engineering scaffolds; bone healing; polymer
The repair of large-area irregular bone defects is a complex issue in orthopedic clinical treatment. Among various bone repair scaffolds, 3D printed polymer-based scaffolds show the most promise for clinical applications. This review introduces different 3D printing technologies, bone healing processes, and discusses the characteristics and potential prospects of ideal bone tissue scaffolds. Challenges in this field are also discussed.
The repair of large-area irregular bone defects is one of the complex problems in orthopedic clinical treatment. The bone repair scaffolds currently studied include electrospun membrane, hydrogel, bone cement, 3D printed bone tissue scaffolds, etc., among which 3D printed polymer-based scaffolds Bone scaffolds are the most promising for clinical applications. This is because 3D printing is modeled based on the im-aging results of actual bone defects so that the printed scaffolds can perfectly fit the bone defect, and the printed components can be adjusted to promote Osteogenesis. This review introduces a variety of 3D printing technologies and bone healing processes, reviews previous studies on the characteristics of commonly used natural or synthetic polymers, and clinical applications of 3D printed bone tissue scaffolds, analyzes and elaborates the characteristics of ideal bone tissue scaffolds, from t he progress of 3D printing bone tissue scaffolds were summarized in many aspects. The challenges and potential prospects in this direction were discussed.
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