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4. Properties of calcium phosphate biomaterials
4.1 Mechanical properties
Desirable mechanical properties for calcium phosphate bioceramics, as for many materials with orthopaedic applications, depend on the type of use envisaged. One of the major problems is that of stress shielding, revealed during the development of metal prostheses. Renewal of long bones in particular is partly determined by mechanical stimuli. When a medical device, due to its mechanical properties and location, prevents stimulation of neighboring bone tissue, the latter perishes and shrinks: this is the phenomenon of stress shielding. For these applications, the aim is generally to match the mechanical properties of bone as closely as possible (table 4 )
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Properties of calcium phosphate biomaterials
Conclusion
Bibliography
Standards and norms
- Materials for surgical implants – Determining the surface finish of coatings for biomedical applications - AFNOR S94-071 - 08-93
- Standard Test Method for Time of Setting of Hydraulic-Cement Paste by Gillmore Needles - ASTM C266-03 - 2003
- Dental art – Water-based cements – Part 1: Liquid/powder acid-base cements - NF EN ISO 9917-1 - 04-08
- Surgical implants – Hydroxyapatite – Part 1: hydroxyapatite...
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French research laboratories :
Laboratoire de Science des Procédés Céramiques et de Traitements de Surface (SPCTS), UMR 7315 CNRS – Université de Limoges, Centre Européen de la Céramique, LIMOGES.
Center Ingénierie et Santé (CIS), École Nationale Supérieure des Mines de Saint-Étienne, SAINT-ÉTIENNE.
Laboratoire d'Ingénierie Ostéo-Articulaire et Dentaire...
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