| The bonding behavior of calcite to bone. | |
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MedLine Citation:
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PMID: 1717475 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Plates of calcite (CaCO3) were implanted in rabbit tibiae, and their biocompatibility and bonding ability to bone were studied. The plates were also implanted subfascially in rabbit muscle for 8 weeks, and changes on their surfaces in the body were examined. Contact microradiography and Giemsa surface stain demonstrated direct bonding between calcite and bone without interpositions. The average failure load of the interface between calcite and bone was 4.11 kg, indicating an adequate strength of bonding. However, a Ca-P-rich layer, which formed on the surfaces of other bioactive ceramics in vivo, was not detected by a scanning electron microscope-electron probe x-ray microanalyzer. Scanning electron micrographs of the surface of calcite implanted subfascially for 8 weeks showed marked degradation and a rough surface. However, the surface apatite layer was not detected by thin-film x-ray diffraction analysis and Fourier transform infrared reflection spectroscopy. Calcite is a biodegradable material that bonds to bone without a surface apatite layer. The mechanical bonding provided by the anchoring effect of the newly formed bone into the surface roughness of calcite is considered to be a major factor in calcite-bone bonding. |
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Authors:
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Y Fujita; T Yamamuro; T Nakamura; S Kotani; C Ohtsuki; T Kokubo |
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Publication Detail:
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Type: Comparative Study; Journal Article |
Journal Detail:
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Title: Journal of biomedical materials research Volume: 25 ISSN: 0021-9304 ISO Abbreviation: J. Biomed. Mater. Res. Publication Date: 1991 Aug |
Date Detail:
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Created Date: 1991-11-08 Completed Date: 1991-11-08 Revised Date: 2006-11-15 |
Medline Journal Info:
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Nlm Unique ID: 0112726 Medline TA: J Biomed Mater Res Country: UNITED STATES |
Other Details:
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Languages: eng Pagination: 991-1003 Citation Subset: IM; S |
Affiliation:
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Department of Orthopaedic Surgery, Faculty of Medicine, Kyoto University, Japan. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Animals Biocompatible Materials* Bone and Bones / cytology, physiology*, ultrastructure Calcium Carbonate* Electron Probe Microanalysis Microscopy, Electron, Scanning Rabbits Spectrophotometry, Infrared Staining and Labeling Tibia |
| Chemical | |
Reg. No./Substance:
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0/Biocompatible Materials; 471-34-1/Calcium Carbonate |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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