Vertical force and torque analysis during mechanical preparation of extracted teeth using hand ProTaper instruments
The purpose was to measure and analyse the vertical force and torque developed in the wider and narrower root canals during hand ProTaper instrumentation. Twenty human incisors were divided in two groups. Upper incisors were experimental model for the wide, while the lower incisors for the narrow ro...
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| Veröffentlicht in: | Australian endodontic journal 2011-08, Vol.37 (2), p.51-55 |
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| container_title | Australian endodontic journal |
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| creator | Glavičić, Snježana Anić, Ivica Braut, Alen Miletić, Ivana Borčić, Josipa |
| description | The purpose was to measure and analyse the vertical force and torque developed in the wider and narrower root canals during hand ProTaper instrumentation. Twenty human incisors were divided in two groups. Upper incisors were experimental model for the wide, while the lower incisors for the narrow root canals. Measurements of the force and torque were done by a device constructed for this purpose. Differences between the groups were statistically analysed by Mann–Whitney U‐test with the significance level set to P |
| doi_str_mv | 10.1111/j.1747-4477.2010.00252.x |
| format | Article |
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Twenty human incisors were divided in two groups. Upper incisors were experimental model for the wide, while the lower incisors for the narrow root canals. Measurements of the force and torque were done by a device constructed for this purpose. Differences between the groups were statistically analysed by Mann–Whitney U‐test with the significance level set to P < 0.05. Vertical force in the upper incisors ranged 0.25–2.58 N, while in the lower incisors 0.38–6.94 N. Measured torque in the upper incisors ranged 0.53–12.03 Nmm, while in the lower incisor ranged 0.94–10.0 Nmm. Vertical force and torque were higher in the root canals of smaller diameter. The increase in the contact surface results in increase of the vertical force and torque as well in both narrower and wider root canals.</description><identifier>ISSN: 1329-1947</identifier><identifier>EISSN: 1747-4477</identifier><identifier>DOI: 10.1111/j.1747-4477.2010.00252.x</identifier><identifier>PMID: 21771182</identifier><language>eng</language><publisher>Melbourne, Australia: Blackwell Publishing Asia</publisher><subject>Dental Alloys - chemistry ; Dental Pulp Cavity - anatomy & histology ; Dentistry ; endodontics ; Equipment Design ; Humans ; Incisor - anatomy & histology ; instrumentation ; Materials Testing ; Nickel - chemistry ; Odontometry - methods ; root canal preparation ; Root Canal Preparation - instrumentation ; Root Canal Preparation - methods ; Stress, Mechanical ; Titanium - chemistry ; Tooth Apex - anatomy & histology ; Tooth Root - anatomy & histology ; Torque</subject><ispartof>Australian endodontic journal, 2011-08, Vol.37 (2), p.51-55</ispartof><rights>2010 The Authors. Australian Endodontic Journal © 2010 Australian Society of Endodontology</rights><rights>2010 The Authors. Australian Endodontic Journal © 2010 Australian Society of Endodontology.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c4052-836734c5ca93f4048dc6c113ac5102cabc5976e6526771161292ea1ad923754a3</citedby><cites>FETCH-LOGICAL-c4052-836734c5ca93f4048dc6c113ac5102cabc5976e6526771161292ea1ad923754a3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1111%2Fj.1747-4477.2010.00252.x$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1111%2Fj.1747-4477.2010.00252.x$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,1417,27924,27925,45574,45575</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/21771182$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Glavičić, Snježana</creatorcontrib><creatorcontrib>Anić, Ivica</creatorcontrib><creatorcontrib>Braut, Alen</creatorcontrib><creatorcontrib>Miletić, Ivana</creatorcontrib><creatorcontrib>Borčić, Josipa</creatorcontrib><title>Vertical force and torque analysis during mechanical preparation of extracted teeth using hand ProTaper instruments</title><title>Australian endodontic journal</title><addtitle>Aust Endod J</addtitle><description>The purpose was to measure and analyse the vertical force and torque developed in the wider and narrower root canals during hand ProTaper instrumentation. Twenty human incisors were divided in two groups. Upper incisors were experimental model for the wide, while the lower incisors for the narrow root canals. Measurements of the force and torque were done by a device constructed for this purpose. Differences between the groups were statistically analysed by Mann–Whitney U‐test with the significance level set to P < 0.05. Vertical force in the upper incisors ranged 0.25–2.58 N, while in the lower incisors 0.38–6.94 N. Measured torque in the upper incisors ranged 0.53–12.03 Nmm, while in the lower incisor ranged 0.94–10.0 Nmm. Vertical force and torque were higher in the root canals of smaller diameter. The increase in the contact surface results in increase of the vertical force and torque as well in both narrower and wider root canals.</description><subject>Dental Alloys - chemistry</subject><subject>Dental Pulp Cavity - anatomy & histology</subject><subject>Dentistry</subject><subject>endodontics</subject><subject>Equipment Design</subject><subject>Humans</subject><subject>Incisor - anatomy & histology</subject><subject>instrumentation</subject><subject>Materials Testing</subject><subject>Nickel - chemistry</subject><subject>Odontometry - methods</subject><subject>root canal preparation</subject><subject>Root Canal Preparation - instrumentation</subject><subject>Root Canal Preparation - methods</subject><subject>Stress, Mechanical</subject><subject>Titanium - chemistry</subject><subject>Tooth Apex - anatomy & histology</subject><subject>Tooth Root - anatomy & histology</subject><subject>Torque</subject><issn>1329-1947</issn><issn>1747-4477</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqNkE1v1DAQhi0EoqX0LyDfOGWJv-JE4lKqUqjaLVK_JC7W1JmwXvKF7Yjdf4_TLXuuLx7ZzzujeQihLF-wdD6tF0xLnUmp9YLn6TXPueKLzStyuP94nWrBq4xVUh-QdyGsEySFZm_JAWdaM1byQxLu0UdnoaXN4C1S6GsaB_9nmktot8EFWk_e9b9oh3YF_RM7ehzBQ3RDT4eG4iZ6sBFTFDGu6BRmfjX3-uGHWxjRU9eH6KcO-xjekzcNtAGPn-8jcvf17Pb0W3Z5ff799OQyszJXPCtFoYW0ykIlGpnLsraFZUyAVSznFh6tqnSBheLFvE3BeMURGNQVF1pJEEfk467v6Ie0UIimc8Fi20KPwxRMqUtVicQmstyR1g8heGzM6F0HfmtYbmbjZm1msWYWa2bj5sm42aToh-ch02OH9T74X3ECPu-Av67F7Ysbm5Ozi1SkeLaLuxBxs4-D_22SHq3Mw_LcfLm5WYpqeWV-in_OO59u</recordid><startdate>201108</startdate><enddate>201108</enddate><creator>Glavičić, Snježana</creator><creator>Anić, Ivica</creator><creator>Braut, Alen</creator><creator>Miletić, Ivana</creator><creator>Borčić, Josipa</creator><general>Blackwell Publishing Asia</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>201108</creationdate><title>Vertical force and torque analysis during mechanical preparation of extracted teeth using hand ProTaper instruments</title><author>Glavičić, Snježana ; Anić, Ivica ; Braut, Alen ; Miletić, Ivana ; Borčić, Josipa</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4052-836734c5ca93f4048dc6c113ac5102cabc5976e6526771161292ea1ad923754a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>Dental Alloys - chemistry</topic><topic>Dental Pulp Cavity - anatomy & histology</topic><topic>Dentistry</topic><topic>endodontics</topic><topic>Equipment Design</topic><topic>Humans</topic><topic>Incisor - anatomy & histology</topic><topic>instrumentation</topic><topic>Materials Testing</topic><topic>Nickel - chemistry</topic><topic>Odontometry - methods</topic><topic>root canal preparation</topic><topic>Root Canal Preparation - instrumentation</topic><topic>Root Canal Preparation - methods</topic><topic>Stress, Mechanical</topic><topic>Titanium - chemistry</topic><topic>Tooth Apex - anatomy & histology</topic><topic>Tooth Root - anatomy & histology</topic><topic>Torque</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Glavičić, Snježana</creatorcontrib><creatorcontrib>Anić, Ivica</creatorcontrib><creatorcontrib>Braut, Alen</creatorcontrib><creatorcontrib>Miletić, Ivana</creatorcontrib><creatorcontrib>Borčić, Josipa</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>Australian endodontic journal</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Glavičić, Snježana</au><au>Anić, Ivica</au><au>Braut, Alen</au><au>Miletić, Ivana</au><au>Borčić, Josipa</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Vertical force and torque analysis during mechanical preparation of extracted teeth using hand ProTaper instruments</atitle><jtitle>Australian endodontic journal</jtitle><addtitle>Aust Endod J</addtitle><date>2011-08</date><risdate>2011</risdate><volume>37</volume><issue>2</issue><spage>51</spage><epage>55</epage><pages>51-55</pages><issn>1329-1947</issn><eissn>1747-4477</eissn><abstract>The purpose was to measure and analyse the vertical force and torque developed in the wider and narrower root canals during hand ProTaper instrumentation. Twenty human incisors were divided in two groups. Upper incisors were experimental model for the wide, while the lower incisors for the narrow root canals. Measurements of the force and torque were done by a device constructed for this purpose. Differences between the groups were statistically analysed by Mann–Whitney U‐test with the significance level set to P < 0.05. Vertical force in the upper incisors ranged 0.25–2.58 N, while in the lower incisors 0.38–6.94 N. Measured torque in the upper incisors ranged 0.53–12.03 Nmm, while in the lower incisor ranged 0.94–10.0 Nmm. Vertical force and torque were higher in the root canals of smaller diameter. The increase in the contact surface results in increase of the vertical force and torque as well in both narrower and wider root canals.</abstract><cop>Melbourne, Australia</cop><pub>Blackwell Publishing Asia</pub><pmid>21771182</pmid><doi>10.1111/j.1747-4477.2010.00252.x</doi><tpages>5</tpages></addata></record> |
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| identifier | ISSN: 1329-1947 |
| ispartof | Australian endodontic journal, 2011-08, Vol.37 (2), p.51-55 |
| issn | 1329-1947 1747-4477 |
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| source | MEDLINE; Wiley Online Library Journals Frontfile Complete |
| subjects | Dental Alloys - chemistry Dental Pulp Cavity - anatomy & histology Dentistry endodontics Equipment Design Humans Incisor - anatomy & histology instrumentation Materials Testing Nickel - chemistry Odontometry - methods root canal preparation Root Canal Preparation - instrumentation Root Canal Preparation - methods Stress, Mechanical Titanium - chemistry Tooth Apex - anatomy & histology Tooth Root - anatomy & histology Torque |
| title | Vertical force and torque analysis during mechanical preparation of extracted teeth using hand ProTaper instruments |
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