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Title: In vitro study of cell behaviour on plasma surface modified titanium
Authors: Guerra Neto, Custódio Leopoldino de Brito
Silva, Marco Aurélio Medeiros da
Alves Júnior, Clodomiro
Keywords: Dental implants;Plasma nitriding;Osseointegration;Biomaterials;Cell behaviour
Issue Date: 2009
Publisher: Taylor and Francis
Citation: GUERRA NETO, C. L. B.; SILVA, M. A. M.; ALVES JUNIOR, C.. In vitro study of cell behaviour on plasma surface modified titanium. Surface Engineering, v. 25, p. 146-150, 2009. Disponível em: Acesso em: 13 jul. 2020.
Portuguese Abstract: In recent years, several technologies that modify implant surfaces have been emerged. Among these techniques, the plasma nitriding process has been successfully applied in biomedical field. Nevertheless, its use in dental implants is quite limited owing to the high temperatures of the process (between 700 and 800°C), which causes distortion. In order to solve this problem, a new approach is proposed in the present paper, by which nitriding under a hollow cathode discharge is used to modify surfaces. Grade II Ti plates were submitted to nitriding under hollow cathode discharge conditions and treated at a temperature 450°C and pressure of 150 Pa for 1 h. These showed that plasma nitriding helped bring about a significant change in the surface texture of the treated plates. Furthermore, cell proliferation was 2⋅5 times as high as that of the untreated plates
ISSN: 0267-0844
Appears in Collections:CT - DEB - Artigos publicados em periódicos

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