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Journal of Ceramic Science and Technology

The Journal of Ceramic Science and Technology publishes original scientific articles on all topics of ceramic science and technology from all ceramic branches. The focus is on the scientific exploration of  the relationships between processing, microstructure and properties of sintered ceramic materials as well as on new processing routes for innovative ceramic materials. The papers may have either theoretical or experimental background. A high quality of publications will be guaranteed by a thorough double blind peer review process.

The Journal is published by Göller Verlag GmbH on behalf of the Deutsche Keramische Gesellschaft (DKG). Edited by Yu-Ping Zeng, Shanghai Institute of Ceramics, Chinese Academy of Sciences, China.

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Mechanical and Biological Properties of Biphasic Calcium Phosphate Scaffold depending on Different Nanoparticle Fabrication Methods

M.-H. Hong1, S.-M. Kim2, Y.-K. Lee3

1 Department of Neurosurgery, Spine and Spinal Cord Institute, Yonsei University College of Medicine, Seoul 03722, South Korea
2 Department and Research Institute of Dental Biomaterials and Bioengineering, Yonsei University College of Dentistry, Seoul 03722, South Korea
3 Research Center for Oral Disease Regulation of the Aged, Chosun University College of Dentistry and Graduate School of Dentistry, Gwangju 61452, South Korea

received May 19, 2017, received in revised form August 30, 2017, accepted November 6, 2017

Vol. 8, No. 4, Pages 541-546   DOI: 10.4416/JCST2017-00033

Abstract

Biphasic calcium phosphate (BCP) is widely used as biomaterial for bone regeneration because of its favourable bioactivity and bioresorption property when compared to hydroxyapatite and β-tricalcium phosphate on their own. Two types of BCP are available in orthopedics and dentistry: chemically synthesized BCP (C-BCP) and mechanically mixed BCP (M-BCP). In this study, the mechanical and biological properties of these two types of BCP scaffold were compared. The scaffolds were characterized based on an evaluation of their surface morphology by means of SEM, and their compressive strength was determined in a universal testing machine. The cell proliferation and osteogenic differentiation were measured in a cell-counting assay and alkaline phosphatase activity test. Compared to the M-BCP scaffold, the C-BCP scaffold showed enhanced compressive strength owing to the dense surface of struts. However, the C-BCP and M-BCP scaffolds were shown to be similar with regard to biological properties. This study concluded that the method applied to fabricate BCP nanoparticles influenced their size, the smaller size particles resulting in good mechanical properties thanks to their dense surface. However, the particle size did not influence the biological properties of the BCP scaffolds.

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Keywords

Calcium phosphates, scaffolds, mechanical property, biological property

References

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