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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Detection of the genial spinal canal in atrophic mandibles with a CBCT: a cadaver study</title><author><name sortKey="Birkenfeld, F" sort="Birkenfeld, F" uniqKey="Birkenfeld F" first="F" last="Birkenfeld">F. Birkenfeld</name><affiliation><nlm:aff id="aff1"></nlm:aff></affiliation></author><author><name sortKey="Becker, M" sort="Becker, M" uniqKey="Becker M" first="M" last="Becker">M. Becker</name><affiliation><nlm:aff id="aff2"></nlm:aff></affiliation></author><author><name sortKey="Sasse, M" sort="Sasse, M" uniqKey="Sasse M" first="M" last="Sasse">M. Sasse</name><affiliation><nlm:aff id="aff2"></nlm:aff></affiliation></author><author><name sortKey="Gassling, V" sort="Gassling, V" uniqKey="Gassling V" first="V" last="Gassling">V. Gassling</name><affiliation><nlm:aff id="aff1"></nlm:aff></affiliation></author><author><name sortKey="Lucius, R" sort="Lucius, R" uniqKey="Lucius R" first="R" last="Lucius">R. Lucius</name><affiliation><nlm:aff id="aff3"></nlm:aff></affiliation></author><author><name sortKey="Wiltfang, J" sort="Wiltfang, J" uniqKey="Wiltfang J" first="J" last="Wiltfang">J. Wiltfang</name><affiliation><nlm:aff id="aff1"></nlm:aff></affiliation></author><author><name sortKey="Kern, M" sort="Kern, M" uniqKey="Kern M" first="M" last="Kern">M. Kern</name><affiliation><nlm:aff id="aff2"></nlm:aff></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PMC</idno><idno type="pmid">25411711</idno><idno type="pmc">4614160</idno><idno type="url">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4614160</idno><idno type="RBID">PMC:4614160</idno><idno type="doi">10.1259/dmfr.20140290</idno><date when="2015">2015</date><idno type="wicri:Area/Pmc/Corpus">000203</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Corpus" wicri:corpus="PMC">000203</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Detection of the genial spinal canal in atrophic mandibles with a CBCT: a cadaver study</title><author><name sortKey="Birkenfeld, F" sort="Birkenfeld, F" uniqKey="Birkenfeld F" first="F" last="Birkenfeld">F. Birkenfeld</name><affiliation><nlm:aff id="aff1"></nlm:aff></affiliation></author><author><name sortKey="Becker, M" sort="Becker, M" uniqKey="Becker M" first="M" last="Becker">M. Becker</name><affiliation><nlm:aff id="aff2"></nlm:aff></affiliation></author><author><name sortKey="Sasse, M" sort="Sasse, M" uniqKey="Sasse M" first="M" last="Sasse">M. Sasse</name><affiliation><nlm:aff id="aff2"></nlm:aff></affiliation></author><author><name sortKey="Gassling, V" sort="Gassling, V" uniqKey="Gassling V" first="V" last="Gassling">V. Gassling</name><affiliation><nlm:aff id="aff1"></nlm:aff></affiliation></author><author><name sortKey="Lucius, R" sort="Lucius, R" uniqKey="Lucius R" first="R" last="Lucius">R. Lucius</name><affiliation><nlm:aff id="aff3"></nlm:aff></affiliation></author><author><name sortKey="Wiltfang, J" sort="Wiltfang, J" uniqKey="Wiltfang J" first="J" last="Wiltfang">J. Wiltfang</name><affiliation><nlm:aff id="aff1"></nlm:aff></affiliation></author><author><name sortKey="Kern, M" sort="Kern, M" uniqKey="Kern M" first="M" last="Kern">M. Kern</name><affiliation><nlm:aff id="aff2"></nlm:aff></affiliation></author></analytic><series><title level="j">Dentomaxillofacial Radiology</title><idno type="ISSN">0250-832X</idno><idno type="eISSN">1476-542X</idno><imprint><date when="2015">2015</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><sec><title>Objectives:</title><p>The use of a single midline implant to retain a complete mandibular denture when more implants cannot be used is an incipient treatment modality. However, in the mandibular symphysis, the genial spinal canal (GSC) is an anatomical structure with neurovascular content that can be harmed during dental implant surgery. The purpose of the present study was to use CBCT of edentulous atrophic cadaver mandibles and evaluate how often the simulated placement of a single midline implant would contact the GSC if present.</p></sec><sec><title>Methods:</title><p>CBCT scans of 47 edentulous cadaver mandibles were performed. A digital simulation of the placement of a single midline implant (3.8 × 11.0 mm) was performed, and the implant–GSC contact was evaluated.</p></sec><sec><title>Results:</title><p>A GSC was detected in the CBCT scan of all atrophic mandibles. In 42 cases (89.4%), the single midline implant contacted the GSC. On average, the five cases without GSC contact had a higher alveolar ridge (4.1 mm) and a lower GSC (0.79 mm) than did the cases with GSC contact.</p></sec><sec><title>Conclusions:</title><p>CBCT scans can adequately detect the GSC during pre-surgical diagnostics. There is a high risk of implant–GSC contact during surgery of the anterior mandible. However, the clinical relevance of such a contact is not known yet, because none of the clinical studies evaluating a single midline implant has reported any implant–GSC contact-related complications.</p></sec></div></front></TEI><pmc article-type="research-article"><pmc-comment>The publisher of this article does not allow downloading of the full text in XML form.</pmc-comment>
<front><journal-meta><journal-id journal-id-type="nlm-ta">Dentomaxillofac Radiol</journal-id><journal-id journal-id-type="iso-abbrev">Dentomaxillofac Radiol</journal-id><journal-id journal-id-type="publisher-id">dmfr</journal-id><journal-title-group><journal-title>Dentomaxillofacial Radiology</journal-title></journal-title-group><issn pub-type="ppub">0250-832X</issn><issn pub-type="epub">1476-542X</issn><publisher><publisher-name>The British Institute of Radiology.</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="pmid">25411711</article-id><article-id pub-id-type="pmc">4614160</article-id><article-id pub-id-type="publisher-manuscript">14290</article-id><article-id pub-id-type="doi">10.1259/dmfr.20140290</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title>Detection of the genial spinal canal in atrophic mandibles with a CBCT: a cadaver study</article-title><alt-title alt-title-type="left-running-head">Genial spinal canal</alt-title><alt-title alt-title-type="right-running-head">F Birkenfeld <italic>et al</italic></alt-title></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name><surname>Birkenfeld</surname><given-names>F</given-names></name><xref ref-type="aff" rid="aff1"><sup>1</sup></xref></contrib><contrib contrib-type="author"><name><surname>Becker</surname><given-names>M</given-names></name><xref ref-type="aff" rid="aff2"><sup>2</sup></xref></contrib><contrib contrib-type="author"><name><surname>Sasse</surname><given-names>M</given-names></name><xref ref-type="aff" rid="aff2"><sup>2</sup></xref></contrib><contrib contrib-type="author"><name><surname>Gassling</surname><given-names>V</given-names></name><xref ref-type="aff" rid="aff1"><sup>1</sup></xref></contrib><contrib contrib-type="author"><name><surname>Lucius</surname><given-names>R</given-names></name><xref ref-type="aff" rid="aff3"><sup>3</sup></xref></contrib><contrib contrib-type="author"><name><surname>Wiltfang</surname><given-names>J</given-names></name><xref ref-type="aff" rid="aff1"><sup>1</sup></xref></contrib><contrib contrib-type="author"><name><surname>Kern</surname><given-names>M</given-names></name><xref ref-type="aff" rid="aff2"><sup>2</sup></xref></contrib><aff id="aff1"><label><sup>1</sup></label><addr-line>Department of Oral-Maxillofacial-Surgery, University Hospital Schleswig-Holstein, Kiel, Germany</addr-line></aff><aff id="aff2"><label><sup>2</sup></label><addr-line>Department of Prosthodontics and Dental Materials, University Hospital Schleswig-Holstein, Kiel, Germany</addr-line></aff><aff id="aff3"><label><sup>3</sup></label><addr-line>Institute of Anatomy, Christian-Albrechts University Kiel, Kiel, Germany</addr-line></aff></contrib-group><author-notes><corresp id="cor1">Correspondence to: Dr Falk Birkenfeld. E-mail: <email xlink:href="f.birkenfeld@mkg.uni-kiel.de">f.birkenfeld@mkg.uni-kiel.de</email></corresp><fn id="fn1"><p>This study was supported by MK and FB.</p></fn></author-notes><pub-date pub-type="ppub"><month>3</month><year>2015</year></pub-date><pub-date pub-type="epub"><day>07</day><month>1</month><year>2015</year></pub-date><volume>44</volume><issue>3</issue><elocation-id>20140290</elocation-id><history><date date-type="received"><day>17</day><month>8</month><year>2014</year><string-date>Received on August 17, 2014</string-date></date><date date-type="rev-recd"><day>5</day><month>10</month><year>2014</year><string-date>Revised on October 5, 2014</string-date></date><date date-type="accepted"><day>18</day><month>11</month><year>2014</year><string-date>Accepted on November 18, 2014</string-date></date></history><permissions><copyright-statement>© 2015 The Authors. Published by the British Institute of Radiology</copyright-statement><copyright-year>2015</copyright-year><copyright-holder>The British Institute of Radiology</copyright-holder></permissions><self-uri content-type="pdf" xlink:href="dmfr.20140290.pdf"></self-uri><abstract><sec><title>Objectives:</title><p>The use of a single midline implant to retain a complete mandibular denture when more implants cannot be used is an incipient treatment modality. However, in the mandibular symphysis, the genial spinal canal (GSC) is an anatomical structure with neurovascular content that can be harmed during dental implant surgery. The purpose of the present study was to use CBCT of edentulous atrophic cadaver mandibles and evaluate how often the simulated placement of a single midline implant would contact the GSC if present.</p></sec><sec><title>Methods:</title><p>CBCT scans of 47 edentulous cadaver mandibles were performed. A digital simulation of the placement of a single midline implant (3.8 × 11.0 mm) was performed, and the implant–GSC contact was evaluated.</p></sec><sec><title>Results:</title><p>A GSC was detected in the CBCT scan of all atrophic mandibles. In 42 cases (89.4%), the single midline implant contacted the GSC. On average, the five cases without GSC contact had a higher alveolar ridge (4.1 mm) and a lower GSC (0.79 mm) than did the cases with GSC contact.</p></sec><sec><title>Conclusions:</title><p>CBCT scans can adequately detect the GSC during pre-surgical diagnostics. There is a high risk of implant–GSC contact during surgery of the anterior mandible. However, the clinical relevance of such a contact is not known yet, because none of the clinical studies evaluating a single midline implant has reported any implant–GSC contact-related complications.</p></sec></abstract><kwd-group><kwd>CBCT</kwd><x xml:space="preserve">; </x><kwd>genial spinal canal</kwd><x xml:space="preserve">; </x><kwd>atrophy</kwd><x xml:space="preserve">; </x><kwd>dental implant</kwd></kwd-group><counts><fig-count count="2"></fig-count><table-count count="1"></table-count><ref-count count="20"></ref-count><page-count count="4"></page-count></counts></article-meta></front></pmc></record>Pour manipuler ce document sous Unix (Dilib)
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