Ex Vivo Evaluation of the Accuracy of Electronic Foramen Locators in Root Canals with an Obstructed Apical Foramen
Abstract Introduction The objective of the present study was to evaluate the accuracy of electronic foramen locators (EFLs), Root ZX II (RZX; J. Morita, Tokyo, Japan), Propex II (Dentsply Maillefer, Ballaigues, Switzerland), and Apex ID (AID; SybronEndo, Glendora, CA), in root canals with an obstruc...
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| Veröffentlicht in: | Journal of endodontics 2015-09, Vol.41 (9), p.1551-1554 |
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| creator | Vasconcelos, Bruno Carvalho de, DDS, MSc, PhD Veríssimo Chaves, Rebeca Dibe, DDS, MSc Vivacqua-Gomes, Nilton, DDS, MSc, PhD Candeiro, George Táccio de Miranda, DDS, MSc, PhD Bernardes, Ricardo Affonso, DDS, MSc, PhD Vivan, Rodrigi Ricci, DDS, MSc, PhD Duarte, Marco Antonio Hungaro, DDS, MSc, PhD |
| description | Abstract Introduction The objective of the present study was to evaluate the accuracy of electronic foramen locators (EFLs), Root ZX II (RZX; J. Morita, Tokyo, Japan), Propex II (Dentsply Maillefer, Ballaigues, Switzerland), and Apex ID (AID; SybronEndo, Glendora, CA), in root canals with an obstructed apical foramen (OAF) and to compare them with those 1.0 mm short of the apical foramen (AF; −1.0) and at the AF (0.0). Methods Thirty human mandibular molars had their coronal and cervical preparations accessed. Then, the AFs were standardized (250 μm). Electronic root canal measurements were performed for the −1.0 and 0.0 working lengths, and the canals were obstructed with dentinal debris. The distance to the AF displayed by the EFLs was then recorded. The last instrument used was fixed with a cyanoacrylate-based adhesive; the apical portions of the roots were scraped, allowing for the determination of the distance between the tips of the instruments and the AFs. Results The precision rates at 0.0, −1.0, and the OAF were 94.7%, 43.9%, and 1.8% (RZX); 93.0%, 54.4%, and 54.4% (Propex II); and 93.0%, 68.5%, and 75.4% (AID), respectively (±0.5 mm). No significant differences were found between the devices at 0.0; however, for the measurements at −1.0 and the OAF, the AID offered significantly better results than RZX ( P |
| doi_str_mv | 10.1016/j.joen.2015.06.009 |
| format | Article |
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Morita, Tokyo, Japan), Propex II (Dentsply Maillefer, Ballaigues, Switzerland), and Apex ID (AID; SybronEndo, Glendora, CA), in root canals with an obstructed apical foramen (OAF) and to compare them with those 1.0 mm short of the apical foramen (AF; −1.0) and at the AF (0.0). Methods Thirty human mandibular molars had their coronal and cervical preparations accessed. Then, the AFs were standardized (250 μm). Electronic root canal measurements were performed for the −1.0 and 0.0 working lengths, and the canals were obstructed with dentinal debris. The distance to the AF displayed by the EFLs was then recorded. The last instrument used was fixed with a cyanoacrylate-based adhesive; the apical portions of the roots were scraped, allowing for the determination of the distance between the tips of the instruments and the AFs. Results The precision rates at 0.0, −1.0, and the OAF were 94.7%, 43.9%, and 1.8% (RZX); 93.0%, 54.4%, and 54.4% (Propex II); and 93.0%, 68.5%, and 75.4% (AID), respectively (±0.5 mm). No significant differences were found between the devices at 0.0; however, for the measurements at −1.0 and the OAF, the AID offered significantly better results than RZX ( P < .05). Conclusions The absence of foraminal patency caused by dentin debris obstruction affects the accuracy of the EFLs differently, suggesting distinctive interactions with their operating mechanisms.</description><identifier>ISSN: 0099-2399</identifier><identifier>EISSN: 1878-3554</identifier><identifier>DOI: 10.1016/j.joen.2015.06.009</identifier><identifier>PMID: 26210483</identifier><language>eng</language><publisher>United States: Elsevier Inc</publisher><subject>Apical patency ; Dental Pulp Cavity - anatomy & histology ; Dentistry ; electronic foramen locators ; Electronics, Medical - instrumentation ; Endocrinology & Metabolism ; Humans ; Odontometry - instrumentation ; Root Canal Preparation - instrumentation ; Tooth Apex - anatomy & histology ; working length</subject><ispartof>Journal of endodontics, 2015-09, Vol.41 (9), p.1551-1554</ispartof><rights>American Association of Endodontists</rights><rights>2015 American Association of Endodontists</rights><rights>Copyright © 2015 American Association of Endodontists. Published by Elsevier Inc. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c411t-a2b3ef17e1e59d572b50b90113d8d4edaeefd894a8bbe2567d6990bcbf3b32ee3</citedby><cites>FETCH-LOGICAL-c411t-a2b3ef17e1e59d572b50b90113d8d4edaeefd894a8bbe2567d6990bcbf3b32ee3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.joen.2015.06.009$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/26210483$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Vasconcelos, Bruno Carvalho de, DDS, MSc, PhD</creatorcontrib><creatorcontrib>Veríssimo Chaves, Rebeca Dibe, DDS, MSc</creatorcontrib><creatorcontrib>Vivacqua-Gomes, Nilton, DDS, MSc, PhD</creatorcontrib><creatorcontrib>Candeiro, George Táccio de Miranda, DDS, MSc, PhD</creatorcontrib><creatorcontrib>Bernardes, Ricardo Affonso, DDS, MSc, PhD</creatorcontrib><creatorcontrib>Vivan, Rodrigi Ricci, DDS, MSc, PhD</creatorcontrib><creatorcontrib>Duarte, Marco Antonio Hungaro, DDS, MSc, PhD</creatorcontrib><title>Ex Vivo Evaluation of the Accuracy of Electronic Foramen Locators in Root Canals with an Obstructed Apical Foramen</title><title>Journal of endodontics</title><addtitle>J Endod</addtitle><description>Abstract Introduction The objective of the present study was to evaluate the accuracy of electronic foramen locators (EFLs), Root ZX II (RZX; J. Morita, Tokyo, Japan), Propex II (Dentsply Maillefer, Ballaigues, Switzerland), and Apex ID (AID; SybronEndo, Glendora, CA), in root canals with an obstructed apical foramen (OAF) and to compare them with those 1.0 mm short of the apical foramen (AF; −1.0) and at the AF (0.0). Methods Thirty human mandibular molars had their coronal and cervical preparations accessed. Then, the AFs were standardized (250 μm). Electronic root canal measurements were performed for the −1.0 and 0.0 working lengths, and the canals were obstructed with dentinal debris. The distance to the AF displayed by the EFLs was then recorded. The last instrument used was fixed with a cyanoacrylate-based adhesive; the apical portions of the roots were scraped, allowing for the determination of the distance between the tips of the instruments and the AFs. Results The precision rates at 0.0, −1.0, and the OAF were 94.7%, 43.9%, and 1.8% (RZX); 93.0%, 54.4%, and 54.4% (Propex II); and 93.0%, 68.5%, and 75.4% (AID), respectively (±0.5 mm). No significant differences were found between the devices at 0.0; however, for the measurements at −1.0 and the OAF, the AID offered significantly better results than RZX ( P < .05). Conclusions The absence of foraminal patency caused by dentin debris obstruction affects the accuracy of the EFLs differently, suggesting distinctive interactions with their operating mechanisms.</description><subject>Apical patency</subject><subject>Dental Pulp Cavity - anatomy & histology</subject><subject>Dentistry</subject><subject>electronic foramen locators</subject><subject>Electronics, Medical - instrumentation</subject><subject>Endocrinology & Metabolism</subject><subject>Humans</subject><subject>Odontometry - instrumentation</subject><subject>Root Canal Preparation - instrumentation</subject><subject>Tooth Apex - anatomy & histology</subject><subject>working length</subject><issn>0099-2399</issn><issn>1878-3554</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp9kcuKFDEUhoMoTjv6Ai4kSzdV5lK3gAhN0-MMNAx424ZcTjEpq5M2SfXYb-Oz-GRW0TMuXLgKJ3z_D-c7CL2mpKSENu-GcgjgS0ZoXZKmJEQ8QSvatV3B67p6ilbzjygYF-ICvUhpIIS2nLfP0QVrGCVVx1cobX_-_vXNHQPeHtU4qeyCx6HH-Q7w2pgpKnNa5u0IJsfgncFXIao9eLwLRuUQE3Yefwoh443yakz43uU7rDy-1SnHyWSweH1wRo2PyZfoWT-D8OrhvURfr7ZfNtfF7vbjzWa9K0xFaS4U0xx62gKFWti6ZbomWhBKue1sBVYB9LYTleq0BlY3rW2EINronmvOAPglenvuPcTwY4KU5d4lA-OoPIQpSdqSrhONINWMsjNqYkgpQi8P0e1VPElK5CJbDnKRLRfZkjRyVjuH3jz0T3oP9m_k0e4MvD8DMG95dBBlMg68AevirFPa4P7f_-GfuBmdX0x-hxOkIUxxES6pTEwS-Xk593JtWhNSN3PBH4e9p1o</recordid><startdate>20150901</startdate><enddate>20150901</enddate><creator>Vasconcelos, Bruno Carvalho de, DDS, MSc, PhD</creator><creator>Veríssimo Chaves, Rebeca Dibe, DDS, MSc</creator><creator>Vivacqua-Gomes, Nilton, DDS, MSc, PhD</creator><creator>Candeiro, George Táccio de Miranda, DDS, MSc, PhD</creator><creator>Bernardes, Ricardo Affonso, DDS, MSc, PhD</creator><creator>Vivan, Rodrigi Ricci, DDS, MSc, PhD</creator><creator>Duarte, Marco Antonio Hungaro, DDS, MSc, PhD</creator><general>Elsevier Inc</general><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>20150901</creationdate><title>Ex Vivo Evaluation of the Accuracy of Electronic Foramen Locators in Root Canals with an Obstructed Apical Foramen</title><author>Vasconcelos, Bruno Carvalho de, DDS, MSc, PhD ; Veríssimo Chaves, Rebeca Dibe, DDS, MSc ; Vivacqua-Gomes, Nilton, DDS, MSc, PhD ; Candeiro, George Táccio de Miranda, DDS, MSc, PhD ; Bernardes, Ricardo Affonso, DDS, MSc, PhD ; Vivan, Rodrigi Ricci, DDS, MSc, PhD ; Duarte, Marco Antonio Hungaro, DDS, MSc, PhD</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c411t-a2b3ef17e1e59d572b50b90113d8d4edaeefd894a8bbe2567d6990bcbf3b32ee3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Apical patency</topic><topic>Dental Pulp Cavity - anatomy & histology</topic><topic>Dentistry</topic><topic>electronic foramen locators</topic><topic>Electronics, Medical - instrumentation</topic><topic>Endocrinology & Metabolism</topic><topic>Humans</topic><topic>Odontometry - instrumentation</topic><topic>Root Canal Preparation - instrumentation</topic><topic>Tooth Apex - anatomy & histology</topic><topic>working length</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Vasconcelos, Bruno Carvalho de, DDS, MSc, PhD</creatorcontrib><creatorcontrib>Veríssimo Chaves, Rebeca Dibe, DDS, MSc</creatorcontrib><creatorcontrib>Vivacqua-Gomes, Nilton, DDS, MSc, PhD</creatorcontrib><creatorcontrib>Candeiro, George Táccio de Miranda, DDS, MSc, PhD</creatorcontrib><creatorcontrib>Bernardes, Ricardo Affonso, DDS, MSc, PhD</creatorcontrib><creatorcontrib>Vivan, Rodrigi Ricci, DDS, MSc, PhD</creatorcontrib><creatorcontrib>Duarte, Marco Antonio Hungaro, DDS, MSc, PhD</creatorcontrib><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>Journal of endodontics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Vasconcelos, Bruno Carvalho de, DDS, MSc, PhD</au><au>Veríssimo Chaves, Rebeca Dibe, DDS, MSc</au><au>Vivacqua-Gomes, Nilton, DDS, MSc, PhD</au><au>Candeiro, George Táccio de Miranda, DDS, MSc, PhD</au><au>Bernardes, Ricardo Affonso, DDS, MSc, PhD</au><au>Vivan, Rodrigi Ricci, DDS, MSc, PhD</au><au>Duarte, Marco Antonio Hungaro, DDS, MSc, PhD</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Ex Vivo Evaluation of the Accuracy of Electronic Foramen Locators in Root Canals with an Obstructed Apical Foramen</atitle><jtitle>Journal of endodontics</jtitle><addtitle>J Endod</addtitle><date>2015-09-01</date><risdate>2015</risdate><volume>41</volume><issue>9</issue><spage>1551</spage><epage>1554</epage><pages>1551-1554</pages><issn>0099-2399</issn><eissn>1878-3554</eissn><abstract>Abstract Introduction The objective of the present study was to evaluate the accuracy of electronic foramen locators (EFLs), Root ZX II (RZX; J. Morita, Tokyo, Japan), Propex II (Dentsply Maillefer, Ballaigues, Switzerland), and Apex ID (AID; SybronEndo, Glendora, CA), in root canals with an obstructed apical foramen (OAF) and to compare them with those 1.0 mm short of the apical foramen (AF; −1.0) and at the AF (0.0). Methods Thirty human mandibular molars had their coronal and cervical preparations accessed. Then, the AFs were standardized (250 μm). Electronic root canal measurements were performed for the −1.0 and 0.0 working lengths, and the canals were obstructed with dentinal debris. The distance to the AF displayed by the EFLs was then recorded. The last instrument used was fixed with a cyanoacrylate-based adhesive; the apical portions of the roots were scraped, allowing for the determination of the distance between the tips of the instruments and the AFs. Results The precision rates at 0.0, −1.0, and the OAF were 94.7%, 43.9%, and 1.8% (RZX); 93.0%, 54.4%, and 54.4% (Propex II); and 93.0%, 68.5%, and 75.4% (AID), respectively (±0.5 mm). No significant differences were found between the devices at 0.0; however, for the measurements at −1.0 and the OAF, the AID offered significantly better results than RZX ( P < .05). Conclusions The absence of foraminal patency caused by dentin debris obstruction affects the accuracy of the EFLs differently, suggesting distinctive interactions with their operating mechanisms.</abstract><cop>United States</cop><pub>Elsevier Inc</pub><pmid>26210483</pmid><doi>10.1016/j.joen.2015.06.009</doi><tpages>4</tpages></addata></record> |
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| subjects | Apical patency Dental Pulp Cavity - anatomy & histology Dentistry electronic foramen locators Electronics, Medical - instrumentation Endocrinology & Metabolism Humans Odontometry - instrumentation Root Canal Preparation - instrumentation Tooth Apex - anatomy & histology working length |
| title | Ex Vivo Evaluation of the Accuracy of Electronic Foramen Locators in Root Canals with an Obstructed Apical Foramen |
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