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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">A comparative study of the accuracy and reliability of multidetector computed tomography and cone beam computed tomography in the assessment of dental implant site dimensions</title><author><name sortKey="Al Ekrish, A A" sort="Al Ekrish, A A" uniqKey="Al Ekrish A" first="A A" last="Al-Ekrish">A A Al-Ekrish</name><affiliation><nlm:aff id="aff1"><addr-line>Department of Oral Medicine and Diagnostic Sciences, College of Dentistry, King Saud University, Saudi Arabia</addr-line></nlm:aff></affiliation></author><author><name sortKey="Ekram, M" sort="Ekram, M" uniqKey="Ekram M" first="M" last="Ekram">M. Ekram</name><affiliation><nlm:aff id="aff2"><addr-line>Faculty of Oral and Dental Medicine, Cairo University, Egypt</addr-line></nlm:aff></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PMC</idno><idno type="pmid">21239568</idno><idno type="pmc">3520306</idno><idno type="url">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3520306</idno><idno type="RBID">PMC:3520306</idno><idno type="doi">10.1259/dmfr/27546065</idno><date when="2011">2011</date><idno type="wicri:Area/Pmc/Corpus">002288</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Corpus" wicri:corpus="PMC">002288</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">A comparative study of the accuracy and reliability of multidetector computed tomography and cone beam computed tomography in the assessment of dental implant site dimensions</title><author><name sortKey="Al Ekrish, A A" sort="Al Ekrish, A A" uniqKey="Al Ekrish A" first="A A" last="Al-Ekrish">A A Al-Ekrish</name><affiliation><nlm:aff id="aff1"><addr-line>Department of Oral Medicine and Diagnostic Sciences, College of Dentistry, King Saud University, Saudi Arabia</addr-line></nlm:aff></affiliation></author><author><name sortKey="Ekram, M" sort="Ekram, M" uniqKey="Ekram M" first="M" last="Ekram">M. Ekram</name><affiliation><nlm:aff id="aff2"><addr-line>Faculty of Oral and Dental Medicine, Cairo University, Egypt</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="2011">2011</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><sec><title>Objectives</title><p>The aim of this study was to investigate the accuracy and reliability of linear measurements of edentulous ridges recorded from 16-row multidetector CT (MDCT) images and cone beam CT (CBCT) images acquired using a flat panel detector (FPD) with a large field of view (FOV), both independently and in comparison with each other.</p></sec><sec><title>Methods</title><p>Edentulous areas of human dry skulls were marked with gutta-percha markers to standardize the plane of the transverse cross-sections and path of measurements. The skulls were imaged using a 16-row MDCT scanner and a CBCT device with a large FOV and a FPD. Ridge dimensions were recorded from reformatted sections by two observers and compared with measurements recorded directly from the bone. The measurement errors and intra and interexaminer reliability were calculated for each modality and compared with each other.</p></sec><sec><title>Results</title><p>The overall mean of the absolute errors was 0.75 mm for MDCT and 0.49 mm for CBCT. The mean of the CBCT absolute errors was smaller than that of the MDCT absolute errors for the overall data, as well as for the site-specific data. The intraexaminer reliability score was 0.994 for MDCT and 0.995 for CBCT. The interexaminer reliability was 0.985 for MDCT and 0.958 for CBCT.</p></sec><sec><title>Conclusions</title><p>Both MDCT and CBCT were associated with a clinically and statistically significant measurement error. CBCT measurements were significantly more accurate than those of MDCT. The measurements recorded from both modalities had a high inter and intraexaminer reliability. Accuracy of measurements was found to be more operator dependent with CBCT than with MDCT.</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>36 Portland Place, London, W1B 1AT</publisher-loc></publisher></journal-meta><article-meta><article-id pub-id-type="pmid">21239568</article-id><article-id pub-id-type="pmc">3520306</article-id><article-id pub-id-type="publisher-id">D9243</article-id><article-id pub-id-type="doi">10.1259/dmfr/27546065</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research</subject></subj-group></article-categories><title-group><article-title>A comparative study of the accuracy and reliability of multidetector computed tomography and cone beam computed tomography in the assessment of dental implant site dimensions</article-title><alt-title alt-title-type="running-head">Accuracy of MDCT and CBCT</alt-title></title-group><contrib-group><contrib contrib-type="author"><name><surname>Al-Ekrish</surname><given-names>A A</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>Ekram</surname><given-names>M</given-names></name><xref ref-type="aff" rid="aff2">2</xref></contrib></contrib-group><aff id="aff1"><label>1</label><addr-line>Department of Oral Medicine and Diagnostic Sciences, College of Dentistry, King Saud University, Saudi Arabia</addr-line></aff><aff id="aff2"><label>2</label><addr-line>Faculty of Oral and Dental Medicine, Cairo University, Egypt</addr-line></aff><author-notes><corresp id="cor1">Asma'a A Al-Ekrish, Lecturer, Department of Oral Medicine and Diagnostic Sciences, College of Dentistry, P. O. Box 56810, King Saud University, Riyadh, 11564, Kingdom of Saudi Arabia. E-mail: <email>asma.alekrish@gmail.com</email></corresp></author-notes><pub-date pub-type="ppub"><month>2</month><year>2011</year></pub-date><volume>40</volume><issue>2</issue><fpage>67</fpage><lpage>75</lpage><history><date date-type="received"><day>28</day><month>10</month><year>2009</year></date><date date-type="rev-recd"><day>31</day><month>1</month><year>2010</year></date><date date-type="accepted"><day>15</day><month>2</month><year>2010</year></date></history><permissions><copyright-statement>© 2011 The British Institute of Radiology</copyright-statement><copyright-year>2011</copyright-year></permissions><abstract><sec><title>Objectives</title><p>The aim of this study was to investigate the accuracy and reliability of linear measurements of edentulous ridges recorded from 16-row multidetector CT (MDCT) images and cone beam CT (CBCT) images acquired using a flat panel detector (FPD) with a large field of view (FOV), both independently and in comparison with each other.</p></sec><sec><title>Methods</title><p>Edentulous areas of human dry skulls were marked with gutta-percha markers to standardize the plane of the transverse cross-sections and path of measurements. The skulls were imaged using a 16-row MDCT scanner and a CBCT device with a large FOV and a FPD. Ridge dimensions were recorded from reformatted sections by two observers and compared with measurements recorded directly from the bone. The measurement errors and intra and interexaminer reliability were calculated for each modality and compared with each other.</p></sec><sec><title>Results</title><p>The overall mean of the absolute errors was 0.75 mm for MDCT and 0.49 mm for CBCT. The mean of the CBCT absolute errors was smaller than that of the MDCT absolute errors for the overall data, as well as for the site-specific data. The intraexaminer reliability score was 0.994 for MDCT and 0.995 for CBCT. The interexaminer reliability was 0.985 for MDCT and 0.958 for CBCT.</p></sec><sec><title>Conclusions</title><p>Both MDCT and CBCT were associated with a clinically and statistically significant measurement error. CBCT measurements were significantly more accurate than those of MDCT. The measurements recorded from both modalities had a high inter and intraexaminer reliability. Accuracy of measurements was found to be more operator dependent with CBCT than with MDCT.</p></sec></abstract><kwd-group><kwd>cone beam CT</kwd><kwd>spiral CT</kwd><kwd>dental implants</kwd><kwd>reproducibility of results</kwd></kwd-group></article-meta></front></pmc></record>Pour manipuler ce document sous Unix (Dilib)
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