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Synthèse par pulvérisation cathodique magnétron et caractérisation de revêtement d'oxydes biocompatibles pour application aux implants dentaires en alliage de titane

Abstract : The vapor deposition processes are particularly successful for the synthesis of coatings with tuneable properties. More specifically, this research deals with the development of biocompatible coatings on titanium alloys TA6V obtained by magnetron sputtering in reactive conditions. At first, we described the processes to design the commercial medical implants to be able to reproduce them within the laboratory. In the second, we focused our study on the effect of the crystallographic structure of zirconia-based coatings on their biocompatible character from cell cultures of fibroblasts. The results obtained demonstrate a significant variation of cell behavior for the three the zirconia structures: monoclinic, tetragonal or cubic. In the purpose to bring relevant information that allow discussing these effects, another series of ceramic coatings were developed as for instance amorphous oxides of titanium or zirconium, yttrium oxide,, aluminum oxide or amorphous carbon. The cell response on these samples demonstrates to the biocompatible properties of the yttrium oxide, excluding any harmful effect of this element in the doped zirconia
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https://hal.univ-lorraine.fr/tel-01749477
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Submitted on : Thursday, March 29, 2018 - 12:17:22 PM
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  • HAL Id : tel-01749477, version 1

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André Marlot. Synthèse par pulvérisation cathodique magnétron et caractérisation de revêtement d'oxydes biocompatibles pour application aux implants dentaires en alliage de titane. Autre. Université de Lorraine, 2012. Français. ⟨NNT : 2012LORR0319⟩. ⟨tel-01749477⟩

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