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Calcium phosphate coatings on magnesium alloys for biomedical applications: A review

Shadanbaz, Shaylin ; Dias, George J.

Acta biomaterialia, 2012-01, Vol.8 (1), p.20-30 [Periódico revisado por pares]

England: Elsevier Ltd

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Título:
Calcium phosphate coatings on magnesium alloys for biomedical applications: A review
Autor: Shadanbaz, Shaylin ; Dias, George J.
Assuntos: alloys ; Alloys - chemistry ; Alloys - metabolism ; Animals ; biocompatibility ; Biocompatible Materials - chemistry ; Biocompatible Materials - metabolism ; biodegradability ; Biodegradation ; Biomimetic ; Bone and Bones - physiology ; Calcium phosphate coating ; calcium phosphates ; Calcium Phosphates - chemistry ; Calcium Phosphates - metabolism ; Coated Materials, Biocompatible - chemistry ; Coated Materials, Biocompatible - metabolism ; coatings ; Corrosion ; Electrochemical Techniques ; Electrodeposition ; Humans ; Magnesium ; Magnesium - chemistry ; Magnesium - metabolism ; Materials Testing - methods ; melting point ; orthopedics ; Orthopedics - methods ; Prosthesis Failure ; Sol–gel ; Surface Properties ; surgery
É parte de: Acta biomaterialia, 2012-01, Vol.8 (1), p.20-30
Notas: http://dx.doi.org/10.1016/j.actbio.2011.10.016
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Descrição: Magnesium has been suggested as a revolutionary biodegradable metal for use as an orthopaedic material. As a biocompatible and degradable metal, it has several advantages over the permanent metallic materials currently in use, including eliminating the effects of stress shielding, improving biocompatibility concerns in vivo and improving degradation properties, removing the requirement of a second surgery for implant removal. The rapid degradation of magnesium, however, is a double-edged sword as it is necessary to control the corrosion rates of the materials to match the rates of bone healing. In response, calcium phosphate coatings have been suggested as a means to control these corrosion rates. The potential calcium phosphate phases and their coating techniques on substrates are numerous and can provide several different properties for different applications. The reactivity and low melting point of magnesium, however, require specific parameters for calcium phosphate coatings to be successful. Within this review, an overview of the different calcium phosphate phases, their properties and their behaviour in vitro and in vivo has been provided, followed by the current coating techniques used for calcium phosphates that may be or may have been adapted for magnesium substrates.
Editor: England: Elsevier Ltd
Idioma: Inglês

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Calcium phosphate coatings on magnesium alloys for biomedical applications: A review

Shadanbaz, Shaylin ; Dias, George J.

England: Elsevier Ltd

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