Effectiveness of medical coating materials in decreasing friction between orthodontic brackets and archwires

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dc.contributor.authorArici, Nursel
dc.contributor.authorAkdeniz, Berat S.
dc.contributor.authorOz, Abdullah A.
dc.contributor.authorGencer, Yucel
dc.contributor.authorTarakci, Mehmet
dc.contributor.authorArici, Selim
dc.date.accessioned2025-01-21T16:38:05Z
dc.date.available2025-01-21T16:38:05Z
dc.date.issued2021
dc.departmentKırıkkale Üniversitesi
dc.description.abstractObjective: The aim of this in vitro study was to evaluate the changes in friction between orthodontic brackets and archwires coated with aluminum oxide (Al2O3), titanium nitride (TiN), or chromium nitride (CrN). In addition, the resistance of the coatings to intraoral conditions was evaluated. Methods: Stainless steel canine brackets, 0.016-inch round nickel-titanium archwires, and 0.019 x 0.025-inch stainless steel archwires were coated with Al2O3 TiN, and CrN using radio frequency magnetron sputtering. The coated materials were examined using scanning electron microscopy, an X-ray diffractometer, atomic force microscopy, and surface profilometry. In addition, the samples were subjected to thermal cycling and in vitro brushing tests, and the effects of the simulated intraoral conditions on the coating structure were evaluated. Results: Coating of the metal bracket as well as nickel-titanium archwire with Al2O3, reduced the coefficients of friction (CoFs) for the bracket-archwire combination (p < 0.01). When the bracket and stainless steel archwire were coated with Al2O3, and TiN, the CoFs were significantly lower (0.207 and 0.372, respectively) than that recorded when this bracket-archwire combination was left uncoated (0.552; p < 0.01). The friction, thermal, and brushing tests did not deteriorate the overall quality of the Al2O3, coatings; however, some small areas of peeling were evident for the TiN coatings, whereas comparatively larger areas of peeling were observed for the CrN coatings. Conclusions: Our findings suggest that the CoFs for metal bracket-archwire combinations used in orthodontic treatment can be decreased by coating with Al2O3, and TiN thin films.
dc.description.sponsorshipScientific and Technological Research Council of Turkey [105S055]
dc.description.sponsorshipThe authors would like to thank The Scientific and Technological Research Council of Turkey for the support provided for this research (Project No: 105S055).
dc.identifier.doi10.4041/kjod.2021.51.4.270
dc.identifier.endpage281
dc.identifier.issn2234-7518
dc.identifier.issn2005-372X
dc.identifier.issue4
dc.identifier.pmid34275883
dc.identifier.scopus2-s2.0-85111677517
dc.identifier.scopusqualityQ1
dc.identifier.startpage270
dc.identifier.urihttps://doi.org/10.4041/kjod.2021.51.4.270
dc.identifier.urihttps://hdl.handle.net/20.500.12587/24598
dc.identifier.volume51
dc.identifier.wosWOS:000674672100006
dc.identifier.wosqualityQ4
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoen
dc.publisherKorean Assoc Orthodontists
dc.relation.ispartofKorean Journal of Orthodontics
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_20241229
dc.subjectThin film coating; Coefficient of friction; Bracket; Archwire
dc.titleEffectiveness of medical coating materials in decreasing friction between orthodontic brackets and archwires
dc.typeArticle

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