Effects of diamond-like carbon coating on frictional and mechanical properties of orthodontic brackets: An in vitro study

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dc.contributor.authorDanisman, Hikmetnur
dc.contributor.authorCelebi, Fatih
dc.contributor.authorDanisman, Sengul
dc.contributor.authorBicakci, Ali Altug
dc.date.accessioned2025-02-24T17:18:29Z
dc.date.available2025-02-24T17:18:29Z
dc.date.issued2022
dc.departmentNuh Naci Yazgan
dc.description.abstractObjectives: The aim of this study is to apply a diamond-like carbon (DLC) coating on orthodontic brackets and to examine the effects of the coating on surface properties and friction. Material and Methods: 0.022-inch upper right canine brackets, 0.018-inch stainless steel wires, and 0.019 x 0.025-inch stainless steel wires were used in the study. Half of the brackets were treated with physical vapor deposition technique and coated with DLC. Different binary groups constituted of coated and uncoated brackets and wires were subjected to friction experiments using the Instron universal testing machine (Instron, Norwood, MA, USA). The surface properties of the coatings were evaluated using Raman, Scanning Electron Microscopy, and non-contact optical profilometer. Results: The friction force values between the DLC-coated brackets and the stainless-steel wires in both dimensions were found to be statistically significantly lower than the friction force between the uncoated brackets and the wires (P < 0.001). The surface roughness value, especially around the slot groove decreased significantly in the coated brackets (P < 0.05). DLC coating layer thickness is approximately 1.0 mu m (806 nanometers). Conclusion: DLC coating improves the surface properties of orthodontic brackets, and DLC coating process remarkably reduced the friction force.
dc.description.sponsorshipTokat Gaziosmanpasa University University Scientific Research Projects Commission [2018/34]
dc.description.sponsorshipThis work was supported by Tokat Gaziosmanpasa University University Scientific Research Projects Commission to the first author and research grant no 2018/34.
dc.identifier.doi10.25259/APOS_79_2021
dc.identifier.endpage19
dc.identifier.issn2321-4600
dc.identifier.issn2321-1407
dc.identifier.issue1
dc.identifier.scopus2-s2.0-85129202713
dc.identifier.scopusqualityQ3
dc.identifier.startpage13
dc.identifier.urihttps://doi.org/10.25259/APOS_79_2021
dc.identifier.urihttps://hdl.handle.net/20.500.14440/690
dc.identifier.volume12
dc.identifier.wosWOS:000790225100004
dc.identifier.wosqualityN/A
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherScientific Scholar Llc
dc.relation.ispartofApos Trends in Orthodontics
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_WOS_20250201
dc.subjectCoating
dc.subjectDiamond-like carbon
dc.subjectFriction
dc.subjectBracket
dc.titleEffects of diamond-like carbon coating on frictional and mechanical properties of orthodontic brackets: An in vitro study
dc.typeArticle

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