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Composition and Crystallization of Hydroxyapatite Coating Layer Formed by Electron Beam Deposition

Cited 22 time in Web of Science Cited 20 time in Scopus
Issue Date
2003
Publisher
Wiley-Blackwell
Citation
J. Am. Ceram. Soc., 86(1):186–88 (2003)
Keywords
hydroxyapatitecoatingsdeposition
Abstract
To improve the biocompatibility of Ti-based metal implants, a hydroxyapatite (HA) coating layer was formed on the surface by electron-beam deposition. The dissolution rate of the coating layer was strongly dependent on the layer's calcium/phosphorus (Ca/P) ratio. Layers with a Ca/P ratio close to that of crystalline HA (Ca/P = 1.67) showed good stability in a physiologic saline solution. When the layer was crystallized by heat treatment in air at temperatures between 400° and 500°C, the stability was enhanced further while maintaining good interfacial bonding strength with the substrate. Preliminary in vivotests on rabbits indicated that heat treatment and the resultant enhancement in stability are beneficial for bone attachment to the implants
ISSN
0002-7820
Language
English
URI
https://hdl.handle.net/10371/63029
DOI
https://doi.org/10.1111/j.1151-2916.2003.tb03301.x
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College of Dentistry/School of Dentistry (치과대학/치의학대학원)Dept. of Dentistry (치의학과)Journal Papers (저널논문_치의학과)
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