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Corrosion degradation of spacers – examination of changes in bone cement coating.

Abstrakt

Spacer is a special implant used at the time of infection after endoprosthetic surgery. It consists of a metal core and bone cement coating with an antibiotic. In the human body spacers are exposed to degradation processes. This paper looks at the effect of corrosion on spacers. Electrochemical corrosion tests were performer on titanium pins with bone cement coating in two solutions: Ringer’s solution and artificial saliva. Bone cement with low and high viscosity was used. Corrosion current density and corrosion potential for titanium specimens and titanium specimens with bone cement coating were determined. Additionally, the potentiodynamic polarization curves for the most optimal coating was determined. The topography of the specimens were analyzed using SEM mi- croscopy. Changes on the coating due to electrochemical corrosion were observed. It has been found that high viscosity bone cement improves corrosion resistance of spacers, however, resulting in irreversible changes, i.e. etching the whole surface, pores and craters formation and local intense coating damage. It is assumed that corrosion degradation tests for spacers and bone cement should be continued, as this type of item is missing in the world literature.

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pobrano 78 razy
Wersja publikacji
Accepted albo Published Version
Licencja
Copyright (2017 by ISASDMT)

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Kategoria:
Publikacja w czasopiśmie
Typ:
artykuły w czasopismach recenzowanych i innych wydawnictwach ciągłych
Opublikowano w:
European Journal of Medical Technologies strony 24 - 32,
ISSN: 2353-1029
Język:
angielski
Rok wydania:
2017
Opis bibliograficzny:
Wekwejt M., Świeczko-Żurek B., Suchodolska A., Zaborowski A., Szkodo M.: Corrosion degradation of spacers – examination of changes in bone cement coating.// European Journal of Medical Technologies. -., nr. 3(16) (2017), s.24-32
Bibliografia: test
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  3. N.S. Manam, W.S.W. Harun, D.N.A. Shri, S.A.C. Ghani, T. Kurniawan, M.H. Ismail, M.H.I. Ibrahim: Study of corrosion in biocompatible metals for implants: A review, Journal of Alloys and Compounds, 2017; 701: 698-715. otwiera się w nowej karcie
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  6. K. Hee-Lyang, P. Il-Song, L. Sook-Jeong, Y. Mi-Kyung, L. Kwang-Won, B. Tae-Sung, L. Min-Ho: Effect of surface pretreatment and pack cementation on bioactivity of titanium dental implant. Surface and Coatings Technology, 2014; 259: 178-184.
  7. H. Tan, S. Guo, S. Yang, X. Xu, T. Tang: Physical characterization and osteogenic activity of the quaternized chitosan-loaded PMMA bone cement. Acta Biomaterialia, 2012; 8(6): 2166- 2174. otwiera się w nowej karcie
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  10. J. Loch, H. Krawiec: Corrosion behaviour of cobalt alloys in artifical salvia solution, Arch. Foundry Eng., 2013; 13: 101-106. otwiera się w nowej karcie
Weryfikacja:
Politechnika Gdańska

wyświetlono 148 razy

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