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Determining cutting efficiency of nickel-titanium coronal flaring instruments used in lateral action
Aim To develop a method to evaluate the cutting behaviour of nickel‐titanium (NiTi) coronal flaring instruments. Methodology BioRaCe BR0 (BR), HyFlex CM 1 (HY), ProFile OS No. 2 (PF) and ProTaper Sx (PT) instruments were used in simulated coronal flaring using a lateral action against bovine dentine...
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| Published in: | International endodontic journal 2014-06, Vol.47 (6), p.505-513 |
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| Main Authors: | , , , , , |
| Format: | Article |
| Language: | English |
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| cited_by | cdi_FETCH-LOGICAL-c3637-9242f2801213bdc43ead254f047d05b74abfecdafc94033697c21989cc608def3 |
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| cites | cdi_FETCH-LOGICAL-c3637-9242f2801213bdc43ead254f047d05b74abfecdafc94033697c21989cc608def3 |
| container_end_page | 513 |
| container_issue | 6 |
| container_start_page | 505 |
| container_title | International endodontic journal |
| container_volume | 47 |
| creator | Peters, O. A. Morgental, R. D. Schulze, K. A. Paqué, F. Kopper, P. M. P. Vier-Pelisser, F. V. |
| description | Aim
To develop a method to evaluate the cutting behaviour of nickel‐titanium (NiTi) coronal flaring instruments.
Methodology
BioRaCe BR0 (BR), HyFlex CM 1 (HY), ProFile OS No. 2 (PF) and ProTaper Sx (PT) instruments were used in simulated coronal flaring using a lateral action against bovine dentine blocks, at 250 and 500 rpm. Cutting efficiency was assessed by three methods: first, areas of notches produced by instruments were directly measured under a stereomicroscope. Second, dentine specimens were then analysed by surface profilometry to determine the maximum cutting depth and finally by microcomputed tomography to assess the volume of removed dentine. Data were compared using parametric tests with the significance level set at 0.05.
Results
For all three methods, HY and PF were the most and the least cutting‐efficient instruments, respectively (P |
| doi_str_mv | 10.1111/iej.12177 |
| format | article |
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To develop a method to evaluate the cutting behaviour of nickel‐titanium (NiTi) coronal flaring instruments.
Methodology
BioRaCe BR0 (BR), HyFlex CM 1 (HY), ProFile OS No. 2 (PF) and ProTaper Sx (PT) instruments were used in simulated coronal flaring using a lateral action against bovine dentine blocks, at 250 and 500 rpm. Cutting efficiency was assessed by three methods: first, areas of notches produced by instruments were directly measured under a stereomicroscope. Second, dentine specimens were then analysed by surface profilometry to determine the maximum cutting depth and finally by microcomputed tomography to assess the volume of removed dentine. Data were compared using parametric tests with the significance level set at 0.05.
Results
For all three methods, HY and PF were the most and the least cutting‐efficient instruments, respectively (P < 0.05). Significant differences were detected between 250 and 500 rpm for HY and PT (area); for BR, HY and PT (depth); and for BR and HY (volume). There were strong positive correlations between the results obtained with those three different methods with r‐values ranging from 0.81 to 0.92.
Conclusion
Measuring the amount of material removed in a specific time under stereomicroscopy is a simple and rational way to assess the cutting behaviour of NiTi rotary instruments in lateral action. HyFlex, manufactured with thermomechanically treated NiTi wire, was the most efficient instrument, and increased rotational speed was associated with increased cutting efficiency.</description><identifier>ISSN: 0143-2885</identifier><identifier>EISSN: 1365-2591</identifier><identifier>DOI: 10.1111/iej.12177</identifier><identifier>PMID: 23998507</identifier><language>eng</language><publisher>England: Blackwell Publishing Ltd</publisher><subject>Animals ; Cattle ; coronal flaring ; cutting efficiency ; Dental Instruments ; Dentistry ; endodontics ; Endodontics - instrumentation ; Nickel ; nickel-titanium alloy ; root canal preparation ; rotational speed ; Titanium ; X-Ray Microtomography</subject><ispartof>International endodontic journal, 2014-06, Vol.47 (6), p.505-513</ispartof><rights>2013 International Endodontic Journal. Published by John Wiley & Sons Ltd</rights><rights>2013 International Endodontic Journal. Published by John Wiley & Sons Ltd.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3637-9242f2801213bdc43ead254f047d05b74abfecdafc94033697c21989cc608def3</citedby><cites>FETCH-LOGICAL-c3637-9242f2801213bdc43ead254f047d05b74abfecdafc94033697c21989cc608def3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/23998507$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Peters, O. A.</creatorcontrib><creatorcontrib>Morgental, R. D.</creatorcontrib><creatorcontrib>Schulze, K. A.</creatorcontrib><creatorcontrib>Paqué, F.</creatorcontrib><creatorcontrib>Kopper, P. M. P.</creatorcontrib><creatorcontrib>Vier-Pelisser, F. V.</creatorcontrib><title>Determining cutting efficiency of nickel-titanium coronal flaring instruments used in lateral action</title><title>International endodontic journal</title><addtitle>Int Endod J</addtitle><description>Aim
To develop a method to evaluate the cutting behaviour of nickel‐titanium (NiTi) coronal flaring instruments.
Methodology
BioRaCe BR0 (BR), HyFlex CM 1 (HY), ProFile OS No. 2 (PF) and ProTaper Sx (PT) instruments were used in simulated coronal flaring using a lateral action against bovine dentine blocks, at 250 and 500 rpm. Cutting efficiency was assessed by three methods: first, areas of notches produced by instruments were directly measured under a stereomicroscope. Second, dentine specimens were then analysed by surface profilometry to determine the maximum cutting depth and finally by microcomputed tomography to assess the volume of removed dentine. Data were compared using parametric tests with the significance level set at 0.05.
Results
For all three methods, HY and PF were the most and the least cutting‐efficient instruments, respectively (P < 0.05). Significant differences were detected between 250 and 500 rpm for HY and PT (area); for BR, HY and PT (depth); and for BR and HY (volume). There were strong positive correlations between the results obtained with those three different methods with r‐values ranging from 0.81 to 0.92.
Conclusion
Measuring the amount of material removed in a specific time under stereomicroscopy is a simple and rational way to assess the cutting behaviour of NiTi rotary instruments in lateral action. HyFlex, manufactured with thermomechanically treated NiTi wire, was the most efficient instrument, and increased rotational speed was associated with increased cutting efficiency.</description><subject>Animals</subject><subject>Cattle</subject><subject>coronal flaring</subject><subject>cutting efficiency</subject><subject>Dental Instruments</subject><subject>Dentistry</subject><subject>endodontics</subject><subject>Endodontics - instrumentation</subject><subject>Nickel</subject><subject>nickel-titanium alloy</subject><subject>root canal preparation</subject><subject>rotational speed</subject><subject>Titanium</subject><subject>X-Ray Microtomography</subject><issn>0143-2885</issn><issn>1365-2591</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><recordid>eNp1kMlKBDEQhoMoOi4HX0D6qIfWrJ3uo7iLuIDLMWTSFYl2pzVJo_P2Zhz1ZlFQUHz1Qf0IbRO8T3IdOHjZJ5RIuYQmhFWipKIhy2iCCWclrWuxhtZjfMEYC8zIKlqjrGlqgeUEtceQIPTOO_9cmDGl-QRrnXHgzawYbOGdeYWuTC5p78a-MEMYvO4K2-kwp52PKYw9-BSLMUKbF0WnszUz2iQ3-E20YnUXYetnbqCH05P7o_Py6ubs4ujwqjSsYrJsKKeW1ji_wqat4Qx0SwW3mMsWi6nkemrBtNqahmPGqkYaSpq6MabCdQuWbaDdhfctDO8jxKR6Fw10nfYwjFERQTkRuauM7i1QE4YYA1j1Flyvw0wRrOahqhyq-g41szs_2nHaQ_tH_qaYgYMF8OE6mP1vUhcnl7_KcnHhYoLPvwsdXlUlmRTq6fpM3fHbWlSPj6piXx74kVY</recordid><startdate>201406</startdate><enddate>201406</enddate><creator>Peters, O. A.</creator><creator>Morgental, R. D.</creator><creator>Schulze, K. A.</creator><creator>Paqué, F.</creator><creator>Kopper, P. M. P.</creator><creator>Vier-Pelisser, F. V.</creator><general>Blackwell Publishing Ltd</general><scope>BSCLL</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>201406</creationdate><title>Determining cutting efficiency of nickel-titanium coronal flaring instruments used in lateral action</title><author>Peters, O. A. ; Morgental, R. D. ; Schulze, K. A. ; Paqué, F. ; Kopper, P. M. P. ; Vier-Pelisser, F. V.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3637-9242f2801213bdc43ead254f047d05b74abfecdafc94033697c21989cc608def3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Animals</topic><topic>Cattle</topic><topic>coronal flaring</topic><topic>cutting efficiency</topic><topic>Dental Instruments</topic><topic>Dentistry</topic><topic>endodontics</topic><topic>Endodontics - instrumentation</topic><topic>Nickel</topic><topic>nickel-titanium alloy</topic><topic>root canal preparation</topic><topic>rotational speed</topic><topic>Titanium</topic><topic>X-Ray Microtomography</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Peters, O. A.</creatorcontrib><creatorcontrib>Morgental, R. D.</creatorcontrib><creatorcontrib>Schulze, K. A.</creatorcontrib><creatorcontrib>Paqué, F.</creatorcontrib><creatorcontrib>Kopper, P. M. P.</creatorcontrib><creatorcontrib>Vier-Pelisser, F. V.</creatorcontrib><collection>Istex</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>International endodontic journal</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Peters, O. A.</au><au>Morgental, R. D.</au><au>Schulze, K. A.</au><au>Paqué, F.</au><au>Kopper, P. M. P.</au><au>Vier-Pelisser, F. V.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Determining cutting efficiency of nickel-titanium coronal flaring instruments used in lateral action</atitle><jtitle>International endodontic journal</jtitle><addtitle>Int Endod J</addtitle><date>2014-06</date><risdate>2014</risdate><volume>47</volume><issue>6</issue><spage>505</spage><epage>513</epage><pages>505-513</pages><issn>0143-2885</issn><eissn>1365-2591</eissn><abstract>Aim
To develop a method to evaluate the cutting behaviour of nickel‐titanium (NiTi) coronal flaring instruments.
Methodology
BioRaCe BR0 (BR), HyFlex CM 1 (HY), ProFile OS No. 2 (PF) and ProTaper Sx (PT) instruments were used in simulated coronal flaring using a lateral action against bovine dentine blocks, at 250 and 500 rpm. Cutting efficiency was assessed by three methods: first, areas of notches produced by instruments were directly measured under a stereomicroscope. Second, dentine specimens were then analysed by surface profilometry to determine the maximum cutting depth and finally by microcomputed tomography to assess the volume of removed dentine. Data were compared using parametric tests with the significance level set at 0.05.
Results
For all three methods, HY and PF were the most and the least cutting‐efficient instruments, respectively (P < 0.05). Significant differences were detected between 250 and 500 rpm for HY and PT (area); for BR, HY and PT (depth); and for BR and HY (volume). There were strong positive correlations between the results obtained with those three different methods with r‐values ranging from 0.81 to 0.92.
Conclusion
Measuring the amount of material removed in a specific time under stereomicroscopy is a simple and rational way to assess the cutting behaviour of NiTi rotary instruments in lateral action. HyFlex, manufactured with thermomechanically treated NiTi wire, was the most efficient instrument, and increased rotational speed was associated with increased cutting efficiency.</abstract><cop>England</cop><pub>Blackwell Publishing Ltd</pub><pmid>23998507</pmid><doi>10.1111/iej.12177</doi><tpages>9</tpages></addata></record> |
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| ispartof | International endodontic journal, 2014-06, Vol.47 (6), p.505-513 |
| issn | 0143-2885 1365-2591 |
| language | eng |
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| source | Wiley-Blackwell Read & Publish Collection |
| subjects | Animals Cattle coronal flaring cutting efficiency Dental Instruments Dentistry endodontics Endodontics - instrumentation Nickel nickel-titanium alloy root canal preparation rotational speed Titanium X-Ray Microtomography |
| title | Determining cutting efficiency of nickel-titanium coronal flaring instruments used in lateral action |
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