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Alternative Geometries for 3D Bioprinting of Calcium Phosphate Cement as Bone Substitute

  • In the literature, many studies have described the 3D printing of ceramic-based scaffolds (e.g., printing with calcium phosphate cement) in the form of linear structures with layer rotations of 90°, although no right angles can be found in the human body. Therefore, this work focuses on the adaptation of biological shapes, including a layer rotation of only 1°. Sample shapes were printed withIn the literature, many studies have described the 3D printing of ceramic-based scaffolds (e.g., printing with calcium phosphate cement) in the form of linear structures with layer rotations of 90°, although no right angles can be found in the human body. Therefore, this work focuses on the adaptation of biological shapes, including a layer rotation of only 1°. Sample shapes were printed with calcium phosphate cement using a 3D Bioplotter from EnvisionTec. Both straight and wavy spokes were printed in a round structure with 12 layers. Depending on the strand diameter (200 and 250 µm needle inner diameter) and strand arrangement, maximum failure loads of 444.86 ± 169.39 N for samples without subsequent setting in PBS up to 1280.88 ± 538.66 N after setting in PBS could be achieved.show moreshow less

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Metadaten
Document Type:Article (reviewed)
Title (English):Alternative Geometries for 3D Bioprinting of Calcium Phosphate Cement as Bone Substitute
Author:Jennifer Blankenburg, Johannes VinkeORCiDGND, Bianca Riedel, Sergej Zankovic, Hagen Schmal, Michael Seidenstuecker
Year of Publication:2022
Place of publication:Basel
Publisher:MDPI
First Page:1
Last Page:18
Article Number:3242
Parent Title (English):Biomedicines
Volume:10
Issue:12
ISSN:2227-9059
DOI:https://doi.org/10.3390/biomedicines10123242
Language:English
Institutes:Fakultät Maschinenbau und Verfahrenstechnik (M+V)
Institutes:Bibliografie
Tag:3D printing; CDHA; CPC; bone replacement; calcium phosphate cement
Open Access: Open Access 
 Gold 
Relevance:Wiss. Zeitschriftenartikel reviewed: Listung in Master Journal List
Licence (German):License LogoCreative Commons - CC BY - Namensnennung 4.0 International