Comparison of mechanical stability of mini-screws with resorbable blasting media and micro-arc oxidation surface treatments under orthodontic forces: An in vitro biomechanical study

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dc.authorid0000-0002-8983-6220
dc.contributor.authorGezer, Pınar
dc.contributor.authorYılancı, Hilal
dc.date.accessioned2023-06-09T11:43:16Z
dc.date.available2023-06-09T11:43:16Z
dc.date.issued2023
dc.departmentİstanbul Medipol Üniversitesi, Sağlık Bilimleri Enstitüsü, Ortodonti Ana Bilim Dalı
dc.description.abstractIntroduction: The aim of this study was to compare the primary stability of mini-screws with different surface treatments such as resorbable blasting media (RBM) and micro-arc oxidation (MAO) under in vitro orthodontic forces. Material and methods: Thirty-six self-drilling TiAl6V4-ELI grade 23 titanium alloy 1.6 × 8 mm mini-screws were inserted into polyurethane foam blocks and divided into three groups according to surface properties: machine surface (MS), RBM-treated, and MAO-treated. An orthodontic force of 150 g was applied to the mini-screws using NiTi coils. Maximum insertion torque (MIT) and maximum removal torque (MRT) were measured with a digital torque screwdriver during insertion and removal. For each mini-screw, stability measurements were made with the Periotest M device at day 0 and weeks 1, 2, 4, 8, and 12. Results: Significant differences in MIT were observed between all groups in pairwise comparisons (P < 0.001) with the highest value in the MAO-treated group and the lowest in the MS group. The mean MRT values differed in all three groups (P = 0.001). In pairwise comparisons of MRT, only the difference between MS group and RBM-treated group was significant. The highest value was observed in the RBM-treated group, while the lowest value was observed in the MS group. Periotest values were significantly higher in the MAO-treated group than the RBM-treated group at weeks 8 and 12. A positive significant correlation was found between MIT and MRT in all groups. No significant correlation was found between MIT, MRT and Periotest values in all groups. Conclusion: RBM-treated group was significantly higher than the MS group in MIT and MRT values. According to Periotest values, RBM-treated group was found to be significantly more stable than the MAO-treated group at weeks 8 and 12. Therefore, RBM surface treatment was found to be more favourable than other surfaces to increase success rate in clinical applications.
dc.identifier.citationGezer, P. ve Yılancı, H. (2023). Comparison of mechanical stability of mini-screws with resorbable blasting media and micro-arc oxidation surface treatments under orthodontic forces: An in vitro biomechanical study. International Orthodontics, 21(3). https://doi.org/10.1016/j.ortho.2023.100775
dc.identifier.doi10.1016/j.ortho.2023.100775
dc.identifier.issn1761-7227
dc.identifier.issue3
dc.identifier.pmid37263049
dc.identifier.scopus2-s2.0-85160321038
dc.identifier.scopusqualityQ2
dc.identifier.urihttps://doi.org/10.1016/j.ortho.2023.100775
dc.identifier.urihttps://hdl.handle.net/20.500.12511/11059
dc.identifier.volume21
dc.identifier.wos001010661700001en_US
dc.identifier.wosqualityN/A
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.institutionauthorGezer, Pınar
dc.institutionauthorYılancı, Hilal
dc.language.isoen
dc.publisherElsevier Masson s.r.l.
dc.relation.ispartofInternational Orthodonticsen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/embargoedAccess
dc.subjectMini-Screws
dc.subjectOsseointegration
dc.subjectSkeletal Anchorage
dc.subjectSurface Modifications
dc.titleComparison of mechanical stability of mini-screws with resorbable blasting media and micro-arc oxidation surface treatments under orthodontic forces: An in vitro biomechanical study
dc.typeArticle

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