Highly wear-resistant and biocompatible carbon nanocomposite coatings for dental implants

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dc.contributor.authorPenkov, Oleksiy V.en
dc.contributor.authorPukha, Vladimir E.en
dc.contributor.authorStarikova, Svetlana L.en
dc.contributor.authorKhadem, Mahdien
dc.contributor.authorStarikov, Vadym V.en
dc.contributor.authorMaleev, Maxim V.en
dc.contributor.authorKim, Dae-Eunen
dc.date.accessioned2020-01-20T08:35:49Z
dc.date.available2020-01-20T08:35:49Z
dc.date.issued2016
dc.description.abstractDiamond-like carbon coatings are increasingly used as wear-protective coatings for dental implants, artificial joints, etc. Despite their advantages, they may have several weak points such as high internal stress, poor adhesive properties or high sensitivity to ambient conditions. These weak points could be overcome in the case of a new carbon nanocomposite coating (CNC) deposited by using a C60 ion beam on a Co/Cr alloy. The structure of the coatings was investigated by Raman and XPS spectroscopy. The wear resistance was assessed by using a reciprocating tribotester under the loads up to 0.4 N in both dry and wet sliding conditions. Biocompatibility of the dental implants was tested in vivo on rabbits. Biocompatibility, bioactivity and mechanical durability of the CNC deposited on a Co/Cr alloy were investigated and compared with those of bulk Co/Cr and Ti alloys. The wear resistance of the CNC was found to be 250e650 fold higher compared to the Co/Cr and Ti alloys. Also, the CNC demonstrated much better biological properties with respect to formation of new tissues and absence of negative morphological parameters such as necrosis and demineralization. Development of the CNC is expected to aid in significant improvement of lifetime and quality of implants for dental applications.en
dc.identifier.citationHighly wear-resistant and biocompatible carbon nanocomposite coatings for dental implants / O. V. Penkov [et al.] // Biomaterials. – 2016. – Vol. 102. – P. 130-136.en
dc.identifier.doidoi.org/10.1016/j.biomaterials.2016.06.029
dc.identifier.urihttps://repository.kpi.kharkov.ua/handle/KhPI-Press/43806
dc.language.isoen
dc.publisherElsevieren
dc.subjectcarbon nanocompositeen
dc.subjectbiocompatibilityen
dc.subjectwear resistanceen
dc.subjectdental implantsen
dc.subjectin vivoen
dc.titleHighly wear-resistant and biocompatible carbon nanocomposite coatings for dental implantsen
dc.typeArticleen

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