Effect of Sodium Hypochlorite and EDTA on Surface Roughness of HyFlex CM and HyFlex EDM Files

The aim of the present study was to compare the effect of exposure to sodium hypochlorite (NaOCl) and ethylenediaminetetraacetic acid (EDTA) on the surface topography and roughness of HyFlex controlled memory (CM) and HyFlex electrical discharge machining (EDM) using atomic force microscopy (AFM). T...

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Veröffentlicht in:Microscopy research and technique 2018-12, Vol.81 (12), p.1406-1411
Hauptverfasser: Uslu, Gülşah, Özyürek, Taha, Yılmaz, Koray
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Özyürek, Taha
Yılmaz, Koray
description The aim of the present study was to compare the effect of exposure to sodium hypochlorite (NaOCl) and ethylenediaminetetraacetic acid (EDTA) on the surface topography and roughness of HyFlex controlled memory (CM) and HyFlex electrical discharge machining (EDM) using atomic force microscopy (AFM). Twenty HyFlex EDM (25/.08) and 20 HyFlex CM (25/.06) files were divided into five groups (n = 4). One group served as a negative control group. The files in the other groups were exposed to 5.25% NaOCl and 17% EDTA solutions at 37°C for 5 and 10 min, respectively, and examined using AFM after each exposure. The data were analyzed using one‐way ANOVA test. The lowest values were observed in the control group of HyFlex EDM files (p 
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Twenty HyFlex EDM (25/.08) and 20 HyFlex CM (25/.06) files were divided into five groups (n = 4). One group served as a negative control group. The files in the other groups were exposed to 5.25% NaOCl and 17% EDTA solutions at 37°C for 5 and 10 min, respectively, and examined using AFM after each exposure. The data were analyzed using one‐way ANOVA test. The lowest values were observed in the control group of HyFlex EDM files (p &lt; .05). The highest values were observed in the HyFlex EDM and HyFlex CM files immersed in EDTA for 10 min (p &lt; .05). In conclusion, the tested irrigants had a significant negative effect on the surface porosity of NiTi files. The immersion of NiTi files in irrigants during cleaning and sterilization procedures results in corrosion and surface deformation of the files, and this can lead to unexpected file fracture during clinical use. Thus, the investigation of effect of ethylenediaminetetraacetic acid (EDTA) and sodium hypochlorite (NaOCl) on surface topography of HyFlex files is important. Graphical illustration of change in RA and RMS values of HyFlex controlled memory (CM) and HyFlex electrical discharge machining (EDM) files, depending immersion in sodium hypochlorite (NaOCl) and ethylenediaminetetraacetic acid (EDTA) solutions at different time intervals.</description><identifier>ISSN: 1059-910X</identifier><identifier>EISSN: 1097-0029</identifier><identifier>DOI: 10.1002/jemt.23098</identifier><identifier>PMID: 30351507</identifier><language>eng</language><publisher>Hoboken, USA: John Wiley &amp; Sons, Inc</publisher><subject>Acetic acid ; Atomic force microscopy ; Data processing ; Deformation ; Edetic acid ; Electric discharge machining ; ethylenediaminetetraacetic acid ; Ethylenediaminetetraacetic acids ; Exposure ; HyFlex CM ; HyFlex EDM ; Intermetallic compounds ; Microscopy ; Nickel titanides ; Porosity ; Sodium ; Sodium hypochlorite ; sodium hypohlorite ; Sterilization ; Submerging ; Surface roughness ; Topography ; Variance analysis</subject><ispartof>Microscopy research and technique, 2018-12, Vol.81 (12), p.1406-1411</ispartof><rights>2018 Wiley Periodicals, Inc.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3578-53df32a10a1d24de44bd83d53115d68910144a8b7e6a9990f17617dcf82880013</citedby><cites>FETCH-LOGICAL-c3578-53df32a10a1d24de44bd83d53115d68910144a8b7e6a9990f17617dcf82880013</cites><orcidid>0000-0003-3176-1251 ; 0000-0003-3299-3361</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fjemt.23098$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fjemt.23098$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,1416,27923,27924,45573,45574</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/30351507$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Uslu, Gülşah</creatorcontrib><creatorcontrib>Özyürek, Taha</creatorcontrib><creatorcontrib>Yılmaz, Koray</creatorcontrib><title>Effect of Sodium Hypochlorite and EDTA on Surface Roughness of HyFlex CM and HyFlex EDM Files</title><title>Microscopy research and technique</title><addtitle>Microsc Res Tech</addtitle><description>The aim of the present study was to compare the effect of exposure to sodium hypochlorite (NaOCl) and ethylenediaminetetraacetic acid (EDTA) on the surface topography and roughness of HyFlex controlled memory (CM) and HyFlex electrical discharge machining (EDM) using atomic force microscopy (AFM). 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Twenty HyFlex EDM (25/.08) and 20 HyFlex CM (25/.06) files were divided into five groups (n = 4). One group served as a negative control group. The files in the other groups were exposed to 5.25% NaOCl and 17% EDTA solutions at 37°C for 5 and 10 min, respectively, and examined using AFM after each exposure. The data were analyzed using one‐way ANOVA test. The lowest values were observed in the control group of HyFlex EDM files (p &lt; .05). The highest values were observed in the HyFlex EDM and HyFlex CM files immersed in EDTA for 10 min (p &lt; .05). In conclusion, the tested irrigants had a significant negative effect on the surface porosity of NiTi files. The immersion of NiTi files in irrigants during cleaning and sterilization procedures results in corrosion and surface deformation of the files, and this can lead to unexpected file fracture during clinical use. Thus, the investigation of effect of ethylenediaminetetraacetic acid (EDTA) and sodium hypochlorite (NaOCl) on surface topography of HyFlex files is important. Graphical illustration of change in RA and RMS values of HyFlex controlled memory (CM) and HyFlex electrical discharge machining (EDM) files, depending immersion in sodium hypochlorite (NaOCl) and ethylenediaminetetraacetic acid (EDTA) solutions at different time intervals.</abstract><cop>Hoboken, USA</cop><pub>John Wiley &amp; Sons, Inc</pub><pmid>30351507</pmid><doi>10.1002/jemt.23098</doi><tpages>6</tpages><orcidid>https://orcid.org/0000-0003-3176-1251</orcidid><orcidid>https://orcid.org/0000-0003-3299-3361</orcidid></addata></record>
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subjects Acetic acid
Atomic force microscopy
Data processing
Deformation
Edetic acid
Electric discharge machining
ethylenediaminetetraacetic acid
Ethylenediaminetetraacetic acids
Exposure
HyFlex CM
HyFlex EDM
Intermetallic compounds
Microscopy
Nickel titanides
Porosity
Sodium
Sodium hypochlorite
sodium hypohlorite
Sterilization
Submerging
Surface roughness
Topography
Variance analysis
title Effect of Sodium Hypochlorite and EDTA on Surface Roughness of HyFlex CM and HyFlex EDM Files
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