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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Effect of electric potential and current on mandibular linear measurements in cone beam CT</title><author><name sortKey="Panmekiate, S" sort="Panmekiate, S" uniqKey="Panmekiate S" first="S" last="Panmekiate">S. Panmekiate</name><affiliation><nlm:aff id="aff1"><addr-line>Department of Radiology, Faculty of Dentistry, Chulalongkorn University, Bangkok, Thailand</addr-line></nlm:aff></affiliation></author><author><name sortKey="Apinhasmit, W" sort="Apinhasmit, W" uniqKey="Apinhasmit W" first="W" last="Apinhasmit">W. Apinhasmit</name><affiliation><nlm:aff id="aff2"><addr-line>Department of Anatomy, Faculty of Dentistry, Chulalongkorn University, Bangkok, Thailand</addr-line></nlm:aff></affiliation></author><author><name sortKey="Petersson, A" sort="Petersson, A" uniqKey="Petersson A" first="A" last="Petersson">A. Petersson</name><affiliation><nlm:aff id="aff3"><addr-line>Department of Oral Radiology, Faculty of Odontology, Malmö University, Malmö, Sweden</addr-line></nlm:aff></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PMC</idno><idno type="pmid">22499132</idno><idno type="pmc">3608379</idno><idno type="url">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3608379</idno><idno type="RBID">PMC:3608379</idno><idno type="doi">10.1259/dmfr/51664704</idno><date when="2012">2012</date><idno type="wicri:Area/Pmc/Corpus">002279</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Corpus" wicri:corpus="PMC">002279</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Effect of electric potential and current on mandibular linear measurements in cone beam CT</title><author><name sortKey="Panmekiate, S" sort="Panmekiate, S" uniqKey="Panmekiate S" first="S" last="Panmekiate">S. Panmekiate</name><affiliation><nlm:aff id="aff1"><addr-line>Department of Radiology, Faculty of Dentistry, Chulalongkorn University, Bangkok, Thailand</addr-line></nlm:aff></affiliation></author><author><name sortKey="Apinhasmit, W" sort="Apinhasmit, W" uniqKey="Apinhasmit W" first="W" last="Apinhasmit">W. Apinhasmit</name><affiliation><nlm:aff id="aff2"><addr-line>Department of Anatomy, Faculty of Dentistry, Chulalongkorn University, Bangkok, Thailand</addr-line></nlm:aff></affiliation></author><author><name sortKey="Petersson, A" sort="Petersson, A" uniqKey="Petersson A" first="A" last="Petersson">A. Petersson</name><affiliation><nlm:aff id="aff3"><addr-line>Department of Oral Radiology, Faculty of Odontology, Malmö University, Malmö, Sweden</addr-line></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="2012">2012</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><sec><title>Objectives</title><p>The purpose of this study was to compare mandibular linear distances measured from cone beam CT (CBCT) images produced by different radiographic parameter settings (peak kilovoltage and milliampere value).</p></sec><sec><title>Methods</title><p>20 cadaver hemimandibles with edentulous ridges posterior to the mental foramen were embedded in clear resin blocks and scanned by a CBCT machine (CB MercuRay<sup>TM</sup>; Hitachi Medico Technology Corp., Chiba-ken, Japan). The radiographic parameters comprised four peak kilovoltage settings (60 kVp, 80 kVp, 100 kVp and 120 kVp) and two milliampere settings (10 mA and 15 mA). A 102.4 mm field of view was chosen. Each hemimandible was scanned 8 times with 8 different parameter combinations resulting in 160 CBCT data sets. On the cross-sectional images, six linear distances were measured. To assess the intraobserver variation, the 160 data sets were remeasured after 2 weeks. The measurement precision was calculated using Dahlberg's formula. With the same peak kilovoltage, the measurements yielded by different milliampere values were compared using the paired <italic>t</italic>-test. With the same milliampere value, the measurements yielded by different peak kilovoltage were compared using analysis of variance. A significant difference was considered when <italic>p</italic> < 0.05.</p></sec><sec><title>Results</title><p>Measurement precision varied from 0.03 mm to 0.28 mm. No significant differences in the distances were found among the different radiographic parameter combinations.</p></sec><sec><title>Conclusions</title><p>Based upon the specific machine in the present study, low peak kilovoltage and milliampere value might be used for linear measurements in the posterior mandible.</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="hwp">dmfr</journal-id><journal-id journal-id-type="publisher-id">dmf</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-loc>131–151 Great Titchfield Street, London W1W 5BB</publisher-loc></publisher></journal-meta><article-meta><article-id pub-id-type="pmid">22499132</article-id><article-id pub-id-type="pmc">3608379</article-id><article-id pub-id-type="publisher-id">D11125</article-id><article-id pub-id-type="doi">10.1259/dmfr/51664704</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research</subject></subj-group></article-categories><title-group><article-title>Effect of electric potential and current on mandibular linear measurements in cone beam CT</article-title><alt-title alt-title-type="running-head">Measurements in CBCT</alt-title></title-group><contrib-group><contrib contrib-type="author"><name><surname>Panmekiate</surname><given-names>S</given-names></name><xref ref-type="corresp" rid="cor1">*</xref><xref ref-type="aff" rid="aff1">1</xref></contrib><contrib contrib-type="author"><name><surname>Apinhasmit</surname><given-names>W</given-names></name><xref ref-type="aff" rid="aff2">2</xref></contrib><contrib contrib-type="author"><name><surname>Petersson</surname><given-names>A</given-names></name><xref ref-type="aff" rid="aff3">3</xref></contrib></contrib-group><aff id="aff1"><label>1</label><addr-line>Department of Radiology, Faculty of Dentistry, Chulalongkorn University, Bangkok, Thailand</addr-line></aff><aff id="aff2"><label>2</label><addr-line>Department of Anatomy, Faculty of Dentistry, Chulalongkorn University, Bangkok, Thailand</addr-line></aff><aff id="aff3"><label>3</label><addr-line>Department of Oral Radiology, Faculty of Odontology, Malmö University, Malmö, Sweden</addr-line></aff><author-notes><corresp id="cor1">Dr S Panmekiate, Department of Radiology, Faculty of Dentistry, Chulalongkorn University, 34 Henri-Dunant Road, Pathumwan, Bangkok 10330, Thailand. E-mail: <email>psoontra@chula.ac.th</email></corresp></author-notes><pub-date pub-type="ppub"><month>10</month><year>2012</year></pub-date><volume>41</volume><issue>7</issue><fpage>578</fpage><lpage>582</lpage><history><date date-type="received"><day>13</day><month>4</month><year>2011</year></date><date date-type="rev-recd"><day>10</day><month>10</month><year>2011</year></date><date date-type="accepted"><day>10</day><month>10</month><year>2011</year></date></history><permissions><copyright-statement>© 2012 The British Institute of Radiology</copyright-statement><copyright-year>2012</copyright-year></permissions><abstract><sec><title>Objectives</title><p>The purpose of this study was to compare mandibular linear distances measured from cone beam CT (CBCT) images produced by different radiographic parameter settings (peak kilovoltage and milliampere value).</p></sec><sec><title>Methods</title><p>20 cadaver hemimandibles with edentulous ridges posterior to the mental foramen were embedded in clear resin blocks and scanned by a CBCT machine (CB MercuRay<sup>TM</sup>; Hitachi Medico Technology Corp., Chiba-ken, Japan). The radiographic parameters comprised four peak kilovoltage settings (60 kVp, 80 kVp, 100 kVp and 120 kVp) and two milliampere settings (10 mA and 15 mA). A 102.4 mm field of view was chosen. Each hemimandible was scanned 8 times with 8 different parameter combinations resulting in 160 CBCT data sets. On the cross-sectional images, six linear distances were measured. To assess the intraobserver variation, the 160 data sets were remeasured after 2 weeks. The measurement precision was calculated using Dahlberg's formula. With the same peak kilovoltage, the measurements yielded by different milliampere values were compared using the paired <italic>t</italic>-test. With the same milliampere value, the measurements yielded by different peak kilovoltage were compared using analysis of variance. A significant difference was considered when <italic>p</italic> < 0.05.</p></sec><sec><title>Results</title><p>Measurement precision varied from 0.03 mm to 0.28 mm. No significant differences in the distances were found among the different radiographic parameter combinations.</p></sec><sec><title>Conclusions</title><p>Based upon the specific machine in the present study, low peak kilovoltage and milliampere value might be used for linear measurements in the posterior mandible.</p></sec></abstract><kwd-group><kwd>cone-beam computed tomography</kwd><kwd>dental implants</kwd><kwd>mandible</kwd></kwd-group></article-meta></front></pmc></record>Pour manipuler ce document sous Unix (Dilib)
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