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Purpose: The aim of the work was evaluation of the corrosion resistance of the commercial metallic orthodontic wires from different manufacturers in simulated intra-oral environment. Design/methodology/approach: Corrosion resistance tests were carried out in artificial saliva at the temperature 37 ± 1° C with the use of the VoltaLab ® PGP 201 system for electrochemical tests. The saturated calomel electrode (SCE) was applied as the reference electrode and the auxiliary electrode was a platinum foil. The evaluation of pitting corrosion was realized by recording of anodic polarization curves with the use of the potentiodynamic method. In order to evaluate crevice corrosion resistance the samples were polarized in the potential equal to 0.8 V by 900 seconds. Findings: Results of corrosion resistance tests of the CrNi, NiTi and CuNiTi wires showed comparable data of parameters obtained in the artificial saliva. Research limitations/implications: The obtained results show the influence of artificial saliva on the electrochemical corrosion of orthodontic wires. In order to demonstrate the higher risk of corrosion, which can have two consequences: a loss of the physical properties and the release of Ni ions (which have been shown to be toxic and the cause of allergic reactions) - additional research on fatigue corrosion should be carried out. Originality/value: The analysis of the obtained results show that that commonly used materials for making orthodontic wires (because of their interesting properties - elasticity and shape memory) can be used in different orthodontic treatment stages to correct numerous clinical conditions. The most favorable characteristics were observed for the new NiTi samples (American Orthodontics).
Wydawca
Rocznik
Tom
Strony
151--154
Opis fizyczny
Bibliogr. 20 poz., wykr.
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autor
autor
autor
autor
- Division of Biomedical Engineering, Institute of Engineering Materials and Biomaterials, Silesian University of Technology, ul. Konarskiego 18a, 44-100 Gliwice, Poland, anna.ziebowicz@polsl.pl
Bibliografia
- [1] A. Brantley, T. Eliades, Orthodontic materials: scientific and clinical aspects, Thieme Medical Publishers, New York, 2001.
- [2] N. P. Hunt, S. J. Cunningham, C.G. Golden, M. Sheriff, An investigation into the effects of polishing on surfacehardness and corrosion of orthodontics archwires, Angle Orthodontics 69 (1999) 433-440.
- [3] M. Mikulewicz, J. Szymkowski, W. Stós, Microhardness analysis of chosen orthodontic archwires, Dental and Medical Problems 43 (2006) 79-83.
- [4] S. Gursoy, A. Acar, C. Sesen, Comparison of metal release from a new and recycled bracket-archwire combinations, Angle Orthodontics 75 (2005) 92-94.
- [5] J. Marciniak, Biomaterials, Printing House of the Silesian University of Technology, 2002.
- [6] N. Perez, Electrochemistry and corrosion science. Kluwer Academic Publishers, Boston, 2004.
- [7] S.P. Humphrey, R. T. Williamson, A review of saliva: normal composition, flow, and function, The Journal of Prosthetic Dentistry 85/2 (2001) 162-169.
- [8] A. Krauze, A. Ziębowicz, J. Marciniak, Corrosion resistance of intramedullary nails used in elastic osteosynthesis of children,Journal of Materials Processing Technology 162-163 (2005) 209-214.
- [9] W. Kajzer, A. Krauze, W. Walke J. Marciniak, Corrosion resistance of Cr-Ni-Mo steel in simulated body fluids, Journal of Achievements in Materials and Manufacturing Engineering 18 (2006) 115-118.
- [10] Z. Paszenda, J. Tyrlik-Held, Corrosion resistance investigations of coronary stents made of Cr-Ni-Mo steel. Proceedings of the 10th Jubilee International Scientific Conference "Achievements in Mechanical and Materials Engineering" AMME'2001, Gliwice-Cracow-Zakopane, 2001, 453-460.
- [11] Z. Paszenda, J. Tyrlik-Held, Z. Nawrat, J. Żak, K. Wilczek, Corrosion resistance investigations of coronary stents with regard to specificity of coronary vessels system, Engineering of Biomaterials 34 (2004) 26-33.
- [12] A. Krauze, W. Kajzer, J. Dzielicki, J. Marciniak, Influence of mechanical damage on corrosion resistance of plates used in funnel chest treatment, Journal of Medical Informatics & Technologies 10 (2006) 133-141.
- [13] W. Kajzer, M. Kaczmarek, A. Krauze, J. Marciniak, Surface modification and corrosion resistance of Ni-Ti alloy used for urological stents, Journal of Achievements in Materials and Manufacturing Engineering 20 (2007) 123-126.
- [14] W. Walke, Z. Paszenda, J. Tyrlik-Held, Corrosion resistance and chemical composition investigations of passive layer on the implants surface of Co-Cr-W-Ni alloy, Journal of Achievements in Materials and Manufacturing Engineering 16 (2006) 74-79.
- [15] W. Walke, J. Marciniak, Corrosion resistance of Co-Cr-W-Ni alloy designed for implants used in operative cardiology, Engineering of Biomaterials 47-53 (2005) 96-99.
- [16] M. Kaczmarek, Corrosion resistance of NiTi alloy in simulated body fluids, Archives of Materials Science and Engineering 28/5 (2007) 269-272.
- [17] J. Marciniak, J. Tyrlik-Held, Z.Paszenda, Corrosion resistance of Cr-Ni-Mo steel after sterilization process, Archives of Materials Science and Engineering 28/5 (2007) 289-292.
- [18] EN ISO 15841:2007. Dentistry-Wires for use in orthodontics.
- [19] ASTM F-746-81:1999. Standard test method for pitting or crevice corrosion of metallic surgical implant materials.
- [20] ASTM G5-94:1999. Standard reference test method for making potentiostatic and potentiodynamic anodic polarization measurements.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BWAW-0001-0009