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Abstrakty
Fretting is one of the types of a tribologic wear. It is a process that occurs at a nominally immovable junction of elements. In dentistry, such elements can be brackets and archwires of fixed orthodontic appliances. They meet all the criteria for fretting to occur, i.e., they are nominally immovable, are subjected to initial loadings and they work in aggressive environment. Chrome-nickel stainless steel Elite Opti-Mim brackets (Trachem) working in vivo in oral cavity environment in combination with NiTi and stainless steel archwires were investigated. Scanning electron micrographs of bracket"s working surfaces showed the presence of fretting damaged areas. This research also confirmed that there were almost all the types of fretting wear on the elements of the orthodontic appliances under examination.
Czasopismo
Rocznik
Tom
Strony
79--83
Opis fizyczny
Bibliogr. 12 poz., rys., tab.
Twórcy
autor
autor
- Institute of Materials Science and Technology, Technical University of Łódź
Bibliografia
- [1] CRISTOFOLINI L., SAVIGNI P., TEUTONICO S.A., VICECONTI M., In vitro load history to evaluate the effects of daily activities on cemented hip implants, Acta Bioeng. Biomech., 2003, 5, 77–88.
- [2] LISKIEWICZ T., FOUVRY S., WENDLER B., Impact of variable conditions on fretting wear, Elsevier Science B.V. Surface and Coatings Technology, 2003, 163–164, 465–471.
- [3] HOEPNER D.W., Mechanism of fretting fatigue. ESIS 18, edited by R.B. Waterhouse and T.C. Lindley, Mechanical Engineering Publications, London, 1994, 3–19.
- [4] KULA P., Outer layer engineering, Monografie, Łódź, 2000.
- [5] HEBDA M., WACHAL A., Trybology, WNT, Warszawa, 1980.
- [6] NISHIO C., da MOTTA A.F., ELIAS C.N., MUCHA J.N., In vitro evaluation forces between archwires and ceramic brackets, Am. J. Orthod. Dentofac. Orthop., 2004, 125, 56–64.
- [7] WILLEMS G., CLOCHERET K., CELIS J.-P., VERBEKE G., CHATZICHARALAMPOUS E., CARELS C., Frictional behavior of stainless steel bracket–wire combinations subjected to small oscilating displacements, Am. J. Orthod. Dentofac. Orthop., 2001, 120, 371–377.
- [8] KUSY R.P., WHITLEY J.Q., Resistance to sliding of orthodontic appliances in the dry and wet states: Influence of archwire alloy, interbracket distance, and bracket engagement, J. Biomed. Mater. Res., 2000, 52, 797–811.
- [9] KUSY R.P., WHITLEY J.Q., Friction between different wire–bracket configurations and materials, Semin. Orthod., 1997, 3, 166–177.
- [10] THORSTENSON G.A., KUSY R.P., Resistance to sliding of orthodontic brackets with bumps in the slot floors and walls: effects of second-order angulation, Elsevier Science Academy of Dental Materials, 2004, 20, 881–892.
- [11] THORSTENSON G.A., KUSY R.P., Comparison of resistance to sliding between different self-ligating brackets with secondorder angulation in the dry and saliva states, Am. J. Orthod. Dentofac. Orthop., 2002, 121, 472–482.
- [12] ARTICOLO L.C., Influence of ceramic and stainless steel brackets on the notching of archwires during clinical treatment, Eur. J. Orthod., 2000, 22, 409–425.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BPBD-0003-0024