Clinical Significance of Computed Tomographic Assessment and Anatomic Features of the Inferior Alveolar Canal as Risk Factors for Injury of the Inferior Alveolar Nerve at Third Molar Surgery
Purpose To assess the clinical features of the inferior alveolar canal (IAC) using computed tomography (CT) and to analyze the significance of CT examination at third molar surgery. Materials and Methods A retrospective cohort study was performed involving 99 patients (145 teeth). The relationship b...
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| Veröffentlicht in: | Journal of oral and maxillofacial surgery 2012-03, Vol.70 (3), p.514-520 |
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| creator | Ueda, Megumi, DDS Nakamori, Kenji, DDS, PhD Shiratori, Kaori, DDS Igarashi, Tomohiro, DDS Sasaki, Takanori, DDS Anbo, Naoki, DDS Kaneko, Takeshi, DDS Suzuki, Naohiro, DDS Dehari, Hironari, DDS, PhD Sonoda, Tomoko, DDS, PhD Hiratsuka, Hiroyoshi, DDS, PhD |
| description | Purpose To assess the clinical features of the inferior alveolar canal (IAC) using computed tomography (CT) and to analyze the significance of CT examination at third molar surgery. Materials and Methods A retrospective cohort study was performed involving 99 patients (145 teeth). The relationship between cortication status, buccolingual position, and shape of the IAC on the CT image and inferior alveolar nerve (IAN) injury after third molar surgery were statistically analyzed. Results The shape of the IAC was categorized into 3 groups: round/oval, teardrop, and dumbbell. IAN injury was observed in 7 of 145 cases (4.8%). All 7 cases exhibited absence of cortication; 3 were dumbbell shape and 4 were round/oval. According to logistic regression analysis of cases with absence of cortication, IAC shape was closely related to IAN injury. Conclusions These results suggest that assessment of the IAC shape and cortication status at third molar surgery may be clinically useful. |
| doi_str_mv | 10.1016/j.joms.2011.08.021 |
| format | Article |
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Materials and Methods A retrospective cohort study was performed involving 99 patients (145 teeth). The relationship between cortication status, buccolingual position, and shape of the IAC on the CT image and inferior alveolar nerve (IAN) injury after third molar surgery were statistically analyzed. Results The shape of the IAC was categorized into 3 groups: round/oval, teardrop, and dumbbell. IAN injury was observed in 7 of 145 cases (4.8%). All 7 cases exhibited absence of cortication; 3 were dumbbell shape and 4 were round/oval. According to logistic regression analysis of cases with absence of cortication, IAC shape was closely related to IAN injury. Conclusions These results suggest that assessment of the IAC shape and cortication status at third molar surgery may be clinically useful.</description><identifier>ISSN: 0278-2391</identifier><identifier>EISSN: 1531-5053</identifier><identifier>DOI: 10.1016/j.joms.2011.08.021</identifier><identifier>PMID: 22079065</identifier><identifier>CODEN: JOMSDA</identifier><language>eng</language><publisher>New York, NY: Elsevier Inc</publisher><subject>Adolescent ; Adult ; Aged ; Biological and medical sciences ; Cohort Studies ; Dentistry ; Female ; Humans ; Male ; Mandible - anatomy & histology ; Mandible - diagnostic imaging ; Mandible - innervation ; Mandibular Nerve - anatomy & histology ; Mandibular Nerve - diagnostic imaging ; Medical sciences ; Middle Aged ; Molar, Third - innervation ; Molar, Third - surgery ; Otorhinolaryngology. Stomatology ; Predictive Value of Tests ; Radiography, Dental, Digital - instrumentation ; Radiography, Dental, Digital - methods ; Retrospective Studies ; Surgery ; Tomography, X-Ray Computed ; Tooth Extraction - adverse effects ; Trigeminal Nerve Injuries - prevention & control ; Young Adult</subject><ispartof>Journal of oral and maxillofacial surgery, 2012-03, Vol.70 (3), p.514-520</ispartof><rights>American Association of Oral and Maxillofacial Surgeons</rights><rights>2012 American Association of Oral and Maxillofacial Surgeons</rights><rights>2015 INIST-CNRS</rights><rights>Copyright © 2012 American Association of Oral and Maxillofacial Surgeons. Published by Elsevier Inc. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c506t-e484d704d0ca545eacb6aea5d020b7b3d712e9517f9a76d6b805c81abeb30cf83</citedby><cites>FETCH-LOGICAL-c506t-e484d704d0ca545eacb6aea5d020b7b3d712e9517f9a76d6b805c81abeb30cf83</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0278239111013954$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=25619081$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/22079065$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Ueda, Megumi, DDS</creatorcontrib><creatorcontrib>Nakamori, Kenji, DDS, PhD</creatorcontrib><creatorcontrib>Shiratori, Kaori, DDS</creatorcontrib><creatorcontrib>Igarashi, Tomohiro, DDS</creatorcontrib><creatorcontrib>Sasaki, Takanori, DDS</creatorcontrib><creatorcontrib>Anbo, Naoki, DDS</creatorcontrib><creatorcontrib>Kaneko, Takeshi, DDS</creatorcontrib><creatorcontrib>Suzuki, Naohiro, DDS</creatorcontrib><creatorcontrib>Dehari, Hironari, DDS, PhD</creatorcontrib><creatorcontrib>Sonoda, Tomoko, DDS, PhD</creatorcontrib><creatorcontrib>Hiratsuka, Hiroyoshi, DDS, PhD</creatorcontrib><title>Clinical Significance of Computed Tomographic Assessment and Anatomic Features of the Inferior Alveolar Canal as Risk Factors for Injury of the Inferior Alveolar Nerve at Third Molar Surgery</title><title>Journal of oral and maxillofacial surgery</title><addtitle>J Oral Maxillofac Surg</addtitle><description>Purpose To assess the clinical features of the inferior alveolar canal (IAC) using computed tomography (CT) and to analyze the significance of CT examination at third molar surgery. Materials and Methods A retrospective cohort study was performed involving 99 patients (145 teeth). The relationship between cortication status, buccolingual position, and shape of the IAC on the CT image and inferior alveolar nerve (IAN) injury after third molar surgery were statistically analyzed. Results The shape of the IAC was categorized into 3 groups: round/oval, teardrop, and dumbbell. IAN injury was observed in 7 of 145 cases (4.8%). All 7 cases exhibited absence of cortication; 3 were dumbbell shape and 4 were round/oval. According to logistic regression analysis of cases with absence of cortication, IAC shape was closely related to IAN injury. Conclusions These results suggest that assessment of the IAC shape and cortication status at third molar surgery may be clinically useful.</description><subject>Adolescent</subject><subject>Adult</subject><subject>Aged</subject><subject>Biological and medical sciences</subject><subject>Cohort Studies</subject><subject>Dentistry</subject><subject>Female</subject><subject>Humans</subject><subject>Male</subject><subject>Mandible - anatomy & histology</subject><subject>Mandible - diagnostic imaging</subject><subject>Mandible - innervation</subject><subject>Mandibular Nerve - anatomy & histology</subject><subject>Mandibular Nerve - diagnostic imaging</subject><subject>Medical sciences</subject><subject>Middle Aged</subject><subject>Molar, Third - innervation</subject><subject>Molar, Third - surgery</subject><subject>Otorhinolaryngology. Stomatology</subject><subject>Predictive Value of Tests</subject><subject>Radiography, Dental, Digital - instrumentation</subject><subject>Radiography, Dental, Digital - methods</subject><subject>Retrospective Studies</subject><subject>Surgery</subject><subject>Tomography, X-Ray Computed</subject><subject>Tooth Extraction - adverse effects</subject><subject>Trigeminal Nerve Injuries - prevention & control</subject><subject>Young Adult</subject><issn>0278-2391</issn><issn>1531-5053</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp9kl3L0zAUx4soPvPRL-CF5Ea86kzSpi8gwihOB48Kbl6HNDnd0qdtZk472Jfzs5m6qSDoVcLh9z95-Z0oes7oklGWvW6XretxySljS1osKWcPogUTCYsFFcnDaEF5XsQ8KdlN9ASxpQEUefY4uuGc5iXNxCL6XnV2sFp1ZGv3g23CdtBAXEMq1x-nEQzZud7tvToerCYrREDsYRiJGgxZDWp0faivQY2TB5yD4wHIZmjAW-fJqjuB65QnlRrCIQrJF4v3ZK306DySJiCboZ38-d_JT-BPQNRIdgfrDfn4s7id_B78-Wn0qFEdwrPreht9Xb_bVR_iu8_vN9XqLtaCZmMMaZGanKaGaiVSAUrXmQIlDOW0zuvE5IxDKVjelCrPTFYXVOiCqRrqhOqmSG6jV5e-R---TYCj7C1q6Do1gJtQllzkLE9FGkh-IbV3iB4aefS2V_4sGZWzNtnKWZuctUlayKAthF5c2091D-Z35JenALy8AgqDrMYHSxb_cCJjJS3mRm8uHITPOFnwErWFYNRYD3qUxtn_3-PtX3F9HY97OAO2bvLBIkomkUsqt_OAzfPFQsOkDK__AWqkzmQ</recordid><startdate>20120301</startdate><enddate>20120301</enddate><creator>Ueda, Megumi, DDS</creator><creator>Nakamori, Kenji, DDS, PhD</creator><creator>Shiratori, Kaori, DDS</creator><creator>Igarashi, Tomohiro, DDS</creator><creator>Sasaki, Takanori, DDS</creator><creator>Anbo, Naoki, DDS</creator><creator>Kaneko, Takeshi, DDS</creator><creator>Suzuki, Naohiro, DDS</creator><creator>Dehari, Hironari, DDS, PhD</creator><creator>Sonoda, Tomoko, DDS, PhD</creator><creator>Hiratsuka, Hiroyoshi, DDS, PhD</creator><general>Elsevier Inc</general><general>Elsevier</general><scope>IQODW</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>20120301</creationdate><title>Clinical Significance of Computed Tomographic Assessment and Anatomic Features of the Inferior Alveolar Canal as Risk Factors for Injury of the Inferior Alveolar Nerve at Third Molar Surgery</title><author>Ueda, Megumi, DDS ; Nakamori, Kenji, DDS, PhD ; Shiratori, Kaori, DDS ; Igarashi, Tomohiro, DDS ; Sasaki, Takanori, DDS ; Anbo, Naoki, DDS ; Kaneko, Takeshi, DDS ; Suzuki, Naohiro, DDS ; Dehari, Hironari, DDS, PhD ; Sonoda, Tomoko, DDS, PhD ; Hiratsuka, Hiroyoshi, DDS, PhD</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c506t-e484d704d0ca545eacb6aea5d020b7b3d712e9517f9a76d6b805c81abeb30cf83</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>Adolescent</topic><topic>Adult</topic><topic>Aged</topic><topic>Biological and medical sciences</topic><topic>Cohort Studies</topic><topic>Dentistry</topic><topic>Female</topic><topic>Humans</topic><topic>Male</topic><topic>Mandible - anatomy & histology</topic><topic>Mandible - diagnostic imaging</topic><topic>Mandible - innervation</topic><topic>Mandibular Nerve - anatomy & histology</topic><topic>Mandibular Nerve - diagnostic imaging</topic><topic>Medical sciences</topic><topic>Middle Aged</topic><topic>Molar, Third - innervation</topic><topic>Molar, Third - surgery</topic><topic>Otorhinolaryngology. Stomatology</topic><topic>Predictive Value of Tests</topic><topic>Radiography, Dental, Digital - instrumentation</topic><topic>Radiography, Dental, Digital - methods</topic><topic>Retrospective Studies</topic><topic>Surgery</topic><topic>Tomography, X-Ray Computed</topic><topic>Tooth Extraction - adverse effects</topic><topic>Trigeminal Nerve Injuries - prevention & control</topic><topic>Young Adult</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ueda, Megumi, DDS</creatorcontrib><creatorcontrib>Nakamori, Kenji, DDS, PhD</creatorcontrib><creatorcontrib>Shiratori, Kaori, DDS</creatorcontrib><creatorcontrib>Igarashi, Tomohiro, DDS</creatorcontrib><creatorcontrib>Sasaki, Takanori, DDS</creatorcontrib><creatorcontrib>Anbo, Naoki, DDS</creatorcontrib><creatorcontrib>Kaneko, Takeshi, DDS</creatorcontrib><creatorcontrib>Suzuki, Naohiro, DDS</creatorcontrib><creatorcontrib>Dehari, Hironari, DDS, PhD</creatorcontrib><creatorcontrib>Sonoda, Tomoko, DDS, PhD</creatorcontrib><creatorcontrib>Hiratsuka, Hiroyoshi, DDS, PhD</creatorcontrib><collection>Pascal-Francis</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>Journal of oral and maxillofacial surgery</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ueda, Megumi, DDS</au><au>Nakamori, Kenji, DDS, PhD</au><au>Shiratori, Kaori, DDS</au><au>Igarashi, Tomohiro, DDS</au><au>Sasaki, Takanori, DDS</au><au>Anbo, Naoki, DDS</au><au>Kaneko, Takeshi, DDS</au><au>Suzuki, Naohiro, DDS</au><au>Dehari, Hironari, DDS, PhD</au><au>Sonoda, Tomoko, DDS, PhD</au><au>Hiratsuka, Hiroyoshi, DDS, PhD</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Clinical Significance of Computed Tomographic Assessment and Anatomic Features of the Inferior Alveolar Canal as Risk Factors for Injury of the Inferior Alveolar Nerve at Third Molar Surgery</atitle><jtitle>Journal of oral and maxillofacial surgery</jtitle><addtitle>J Oral Maxillofac Surg</addtitle><date>2012-03-01</date><risdate>2012</risdate><volume>70</volume><issue>3</issue><spage>514</spage><epage>520</epage><pages>514-520</pages><issn>0278-2391</issn><eissn>1531-5053</eissn><coden>JOMSDA</coden><abstract>Purpose To assess the clinical features of the inferior alveolar canal (IAC) using computed tomography (CT) and to analyze the significance of CT examination at third molar surgery. Materials and Methods A retrospective cohort study was performed involving 99 patients (145 teeth). The relationship between cortication status, buccolingual position, and shape of the IAC on the CT image and inferior alveolar nerve (IAN) injury after third molar surgery were statistically analyzed. Results The shape of the IAC was categorized into 3 groups: round/oval, teardrop, and dumbbell. IAN injury was observed in 7 of 145 cases (4.8%). All 7 cases exhibited absence of cortication; 3 were dumbbell shape and 4 were round/oval. According to logistic regression analysis of cases with absence of cortication, IAC shape was closely related to IAN injury. Conclusions These results suggest that assessment of the IAC shape and cortication status at third molar surgery may be clinically useful.</abstract><cop>New York, NY</cop><pub>Elsevier Inc</pub><pmid>22079065</pmid><doi>10.1016/j.joms.2011.08.021</doi><tpages>7</tpages></addata></record> |
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| subjects | Adolescent Adult Aged Biological and medical sciences Cohort Studies Dentistry Female Humans Male Mandible - anatomy & histology Mandible - diagnostic imaging Mandible - innervation Mandibular Nerve - anatomy & histology Mandibular Nerve - diagnostic imaging Medical sciences Middle Aged Molar, Third - innervation Molar, Third - surgery Otorhinolaryngology. Stomatology Predictive Value of Tests Radiography, Dental, Digital - instrumentation Radiography, Dental, Digital - methods Retrospective Studies Surgery Tomography, X-Ray Computed Tooth Extraction - adverse effects Trigeminal Nerve Injuries - prevention & control Young Adult |
| title | Clinical Significance of Computed Tomographic Assessment and Anatomic Features of the Inferior Alveolar Canal as Risk Factors for Injury of the Inferior Alveolar Nerve at Third Molar Surgery |
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