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The effect of scan parameters on cone beam CT trabecular bone microstructural measurements of the human mandible

Identifieur interne : 002310 ( Pmc/Corpus ); précédent : 002309; suivant : 002311

The effect of scan parameters on cone beam CT trabecular bone microstructural measurements of the human mandible

Auteurs : N. Ibrahim ; A. Parsa ; B. Hassan ; P. Van Der Stelt ; I H A. Aartman ; D. Wismeijer

Source :

Dentomaxillofacial Radiology [ 0250-832X ] ; 2013.

RBID : PMC:3853518

Abstract

The objective of this study was to investigate the effect of different cone beam CT scan parameters on trabecular bone microstructure measurements. A human mandibular cadaver was scanned using a cone beam CT (3D Accuitomo 170; J.Morita, Kyota, Japan). 20 cone beam CT images were obtained using 5 different fields of view (4×4 cm, 6×6 cm, 8×8 cm, 10×10 cm and 10×5 cm), 2 types of rotation steps (180° and 360°) and 2 scanning resolutions (standard and high). Image analysis software was used to assess the trabecular bone microstructural parameters (number, thickness and spacing). All parameters were measured twice by one trained observer. Intraclass correlation coefficients showed high intraobserver repeatability (intraclass correlation coefficient, 0.95–0.97) in all parameters across all tested scan parameters. Trabecular bone microstructural measurements varied significantly, especially in smaller fields of view (p = 0.001). There was no significant difference in the trabecular parameters when using different resolutions (number, p = 0.988; thickness, p = 0.960; spacing, p = 0.831) and rotation steps (number, p = 1.000; thickness, p = 0.954; spacing, p = 0.759). The scan field of view significantly influences the trabecular bone microstructure measurements. Rotation steps (180° or 360°) and resolution (standard or high) selections are not relevant.

Url:

http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3853518

DOI: 10.1259/dmfr.20130206
PubMed: 24132024
PubMed Central: 3853518

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PMC:3853518

Le document en format XML

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<author><name sortKey="Ibrahim, N" sort="Ibrahim, N" uniqKey="Ibrahim N" first="N" last="Ibrahim">N. Ibrahim</name>
<affiliation><nlm:aff id="aff1"><addr-line>Department of General and Specialized Dentistry, Section of Oral and Maxillofacial Radiology, Academic Center for Dentistry Amsterdam (ACTA), Amsterdam, Netherlands</addr-line>
</nlm:aff>
</affiliation>
<affiliation><nlm:aff id="aff2"><addr-line>Department of General Dental Practice and Oral & Maxillofacial Imaging, Faculty of Dentistry, University of Malaya, Kuala Lumpur, Malaysia;</addr-line>
</nlm:aff>
</affiliation>
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<author><name sortKey="Parsa, A" sort="Parsa, A" uniqKey="Parsa A" first="A" last="Parsa">A. Parsa</name>
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<author><name sortKey="Hassan, B" sort="Hassan, B" uniqKey="Hassan B" first="B" last="Hassan">B. Hassan</name>
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<author><name sortKey="Van Der Stelt, P" sort="Van Der Stelt, P" uniqKey="Van Der Stelt P" first="P" last="Van Der Stelt">P. Van Der Stelt</name>
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<author><name sortKey="Aartman, I H A" sort="Aartman, I H A" uniqKey="Aartman I" first="I H A" last="Aartman">I H A. Aartman</name>
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<author><name sortKey="Wismeijer, D" sort="Wismeijer, D" uniqKey="Wismeijer D" first="D" last="Wismeijer">D. Wismeijer</name>
<affiliation><nlm:aff id="aff5"><addr-line>Department of Oral Function and Restorative Dentistry, Section of Implantology and Prosthetic Dentistry, Academic Center for Dentistry Amsterdam, Amsterdam, Netherlands</addr-line>
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</nlm:aff>
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<affiliation><nlm:aff id="aff2"><addr-line>Department of General Dental Practice and Oral & Maxillofacial Imaging, Faculty of Dentistry, University of Malaya, Kuala Lumpur, Malaysia;</addr-line>
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<author><name sortKey="Parsa, A" sort="Parsa, A" uniqKey="Parsa A" first="A" last="Parsa">A. Parsa</name>
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<author><name sortKey="Hassan, B" sort="Hassan, B" uniqKey="Hassan B" first="B" last="Hassan">B. Hassan</name>
<affiliation><nlm:aff id="aff1"><addr-line>Department of General and Specialized Dentistry, Section of Oral and Maxillofacial Radiology, Academic Center for Dentistry Amsterdam (ACTA), Amsterdam, Netherlands</addr-line>
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<author><name sortKey="Van Der Stelt, P" sort="Van Der Stelt, P" uniqKey="Van Der Stelt P" first="P" last="Van Der Stelt">P. Van Der Stelt</name>
<affiliation><nlm:aff id="aff3"><addr-line>Department of General and Specialized Dentistry, Section of Oral Radiology, Academic Center for Dentistry Amsterdam, Amsterdam, Netherlands</addr-line>
</nlm:aff>
</affiliation>
</author>
<author><name sortKey="Aartman, I H A" sort="Aartman, I H A" uniqKey="Aartman I" first="I H A" last="Aartman">I H A. Aartman</name>
<affiliation><nlm:aff id="aff4"><addr-line>Department of Social Dentistry and Behavioural Sciences, Academic Center for Dentistry Amsterdam, Amsterdam, Netherlands</addr-line>
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<author><name sortKey="Wismeijer, D" sort="Wismeijer, D" uniqKey="Wismeijer D" first="D" last="Wismeijer">D. Wismeijer</name>
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<series><title level="j">Dentomaxillofacial Radiology</title>
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<front><div type="abstract" xml:lang="en"><p>The objective of this study was to investigate the effect of different cone beam CT scan parameters on trabecular bone microstructure measurements. A human mandibular cadaver was scanned using a cone beam CT (3D Accuitomo 170; J.Morita, Kyota, Japan). 20 cone beam CT images were obtained using 5 different fields of view (4×4 cm, 6×6 cm, 8×8 cm, 10×10 cm and 10×5 cm), 2 types of rotation steps (180° and 360°) and 2 scanning resolutions (standard and high). Image analysis software was used to assess the trabecular bone microstructural parameters (number, thickness and spacing). All parameters were measured twice by one trained observer. Intraclass correlation coefficients showed high intraobserver repeatability (intraclass correlation coefficient, 0.95–0.97) in all parameters across all tested scan parameters. Trabecular bone microstructural measurements varied significantly, especially in smaller fields of view (<italic>p</italic>
 = 0.001). There was no significant difference in the trabecular parameters when using different resolutions (number, <italic>p</italic>
 = 0.988; thickness, <italic>p</italic>
 = 0.960; spacing, <italic>p</italic>
 = 0.831) and rotation steps (number, <italic>p</italic>
 = 1.000; thickness, <italic>p</italic>
 = 0.954; spacing, <italic>p</italic>
 = 0.759). The scan field of view significantly influences the trabecular bone microstructure measurements. Rotation steps (180° or 360°) and resolution (standard or high) selections are not relevant.</p>
</div>
</front>
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<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>48–50 St John Street, London EC1M 4DG, UK</publisher-loc>
</publisher>
</journal-meta>
<article-meta><article-id pub-id-type="pmid">24132024</article-id>
<article-id pub-id-type="pmc">3853518</article-id>
<article-id pub-id-type="publisher-id">dmfr13206</article-id>
<article-id pub-id-type="doi">10.1259/dmfr.20130206</article-id>
<article-categories><subj-group subj-group-type="heading"><subject>Technical Report</subject>
</subj-group>
</article-categories>
<title-group><article-title>The effect of scan parameters on cone beam CT trabecular bone microstructural measurements of the human mandible</article-title>
<alt-title alt-title-type="left-running-head">Structural measurement in CBCT</alt-title>
<alt-title alt-title-type="right-running-head">N Ibrahim <italic>et al</italic>
</alt-title>
</title-group>
<contrib-group><contrib contrib-type="author"><name><surname>Ibrahim</surname>
<given-names>N</given-names>
</name>
<xref ref-type="corresp" rid="cor1">*</xref>
<xref ref-type="aff" rid="aff1">1</xref>
<xref ref-type="aff" rid="aff2">2</xref>
</contrib>
<contrib contrib-type="author"><name><surname>Parsa</surname>
<given-names>A</given-names>
</name>
<xref ref-type="aff" rid="aff1">1</xref>
</contrib>
<contrib contrib-type="author"><name><surname>Hassan</surname>
<given-names>B</given-names>
</name>
<xref ref-type="aff" rid="aff1">1</xref>
</contrib>
<contrib contrib-type="author"><name><surname>van der Stelt</surname>
<given-names>P</given-names>
</name>
<xref ref-type="aff" rid="aff3">3</xref>
</contrib>
<contrib contrib-type="author"><name><surname>Aartman</surname>
<given-names>I H A</given-names>
</name>
<xref ref-type="aff" rid="aff4">4</xref>
</contrib>
<contrib contrib-type="author"><name><surname>Wismeijer</surname>
<given-names>D</given-names>
</name>
<xref ref-type="aff" rid="aff5">5</xref>
</contrib>
<aff id="aff1"><label>1</label>
<addr-line>Department of General and Specialized Dentistry, Section of Oral and Maxillofacial Radiology, Academic Center for Dentistry Amsterdam (ACTA), Amsterdam, Netherlands</addr-line>
</aff>
<aff id="aff2"><label>2</label>
<addr-line>Department of General Dental Practice and Oral & Maxillofacial Imaging, Faculty of Dentistry, University of Malaya, Kuala Lumpur, Malaysia;</addr-line>
</aff>
<aff id="aff3"><label>3</label>
<addr-line>Department of General and Specialized Dentistry, Section of Oral Radiology, Academic Center for Dentistry Amsterdam, Amsterdam, Netherlands</addr-line>
</aff>
<aff id="aff4"><label>4</label>
<addr-line>Department of Social Dentistry and Behavioural Sciences, Academic Center for Dentistry Amsterdam, Amsterdam, Netherlands</addr-line>
</aff>
<aff id="aff5"><label>5</label>
<addr-line>Department of Oral Function and Restorative Dentistry, Section of Implantology and Prosthetic Dentistry, Academic Center for Dentistry Amsterdam, Amsterdam, Netherlands</addr-line>
</aff>
</contrib-group>
<author-notes><corresp id="cor1"><label>*</label>
Correspondence to: Dr Norliza Ibrahim, Department of General and Specialized Dentistry, Section of Oral and Maxillofacial Radiology, Academic Center for Dentistry Amsterdam, Gustav Mahlerlaan 3004, 1081 LA Amsterdam, Netherlands. E-mail: <email xlink:href="N.Ibrahim@acta.nl">N.Ibrahim@acta.nl</email>
</corresp>
</author-notes>
<pub-date pub-type="ppub"><month>12</month>
<year>2013</year>
</pub-date>
<pub-date pub-type="epub"><day>30</day>
<month>10</month>
<year>2013</year>
</pub-date>
<volume>42</volume>
<issue>10</issue>
<elocation-id>20130206</elocation-id>
<history><date date-type="received"><day>31</day>
<month>5</month>
<year>2013</year>
</date>
<date date-type="rev-recd"><day>8</day>
<month>10</month>
<year>2013</year>
</date>
<date date-type="accepted"><day>8</day>
<month>10</month>
<year>2013</year>
</date>
</history>
<permissions><copyright-statement>© 2013 The Authors. Published by the British Institute of Radiology</copyright-statement>
<copyright-year>2013</copyright-year>
</permissions>
<abstract><p>The objective of this study was to investigate the effect of different cone beam CT scan parameters on trabecular bone microstructure measurements. A human mandibular cadaver was scanned using a cone beam CT (3D Accuitomo 170; J.Morita, Kyota, Japan). 20 cone beam CT images were obtained using 5 different fields of view (4×4 cm, 6×6 cm, 8×8 cm, 10×10 cm and 10×5 cm), 2 types of rotation steps (180° and 360°) and 2 scanning resolutions (standard and high). Image analysis software was used to assess the trabecular bone microstructural parameters (number, thickness and spacing). All parameters were measured twice by one trained observer. Intraclass correlation coefficients showed high intraobserver repeatability (intraclass correlation coefficient, 0.95–0.97) in all parameters across all tested scan parameters. Trabecular bone microstructural measurements varied significantly, especially in smaller fields of view (<italic>p</italic>
 = 0.001). There was no significant difference in the trabecular parameters when using different resolutions (number, <italic>p</italic>
 = 0.988; thickness, <italic>p</italic>
 = 0.960; spacing, <italic>p</italic>
 = 0.831) and rotation steps (number, <italic>p</italic>
 = 1.000; thickness, <italic>p</italic>
 = 0.954; spacing, <italic>p</italic>
 = 0.759). The scan field of view significantly influences the trabecular bone microstructure measurements. Rotation steps (180° or 360°) and resolution (standard or high) selections are not relevant.</p>
</abstract>
<kwd-group><kwd>cone beam CT</kwd>
<kwd>trabecular bone</kwd>
<kwd>diagnostic imaging</kwd>
<kwd>scanning parameter</kwd>
</kwd-group>
<counts><fig-count count="3"></fig-count>
<table-count count="2"></table-count>
<ref-count count="39"></ref-count>
<page-count count="7"></page-count>
</counts>
</article-meta>
</front>
</pmc>
</record>

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The effect of scan parameters on cone beam CT trabecular bone microstructural measurements of the human mandible

The effect of scan parameters on cone beam CT trabecular bone microstructural measurements of the human mandible

Source :

Abstract

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