Influence of object location in different FOVs on trabecular bone microstructure measurements of human mandible: a cone beam CT study
Identifieur interne : 000676 ( Main/Exploration ); précédent : 000675; suivant : 000677Influence of object location in different FOVs on trabecular bone microstructure measurements of human mandible: a cone beam CT study
Auteurs : N. Ibrahim [Pays-Bas, Malaisie] ; A. Parsa [Pays-Bas] ; B. Hassan [Pays-Bas] ; P. Van Der Stelt [Pays-Bas] ; I H A. Aartman [Pays-Bas] ; P. Nambiar [Malaisie]Source :
- Dentomaxillofacial Radiology [ 0250-832X ] ; 2014.
Abstract
The aim of this study was to assess the influence of different object locations in different fields of view (FOVs) of two cone beam CT (CBCT) systems on trabecular bone microstructure measurements of a human mandible. A block of dry human mandible was scanned at five different locations (centre, left, right, anterior and posterior) using five different FOVs of two CBCT systems (NewTom™ 5G; QR Verona, Verona, Italy and Accuitomo 170; Morita, Kyoto, Japan). Image analysis software (CTAn software v. 1.1; SkyScan, Kontich, Belgium) was used to assess the trabecular bone microstructural parameters (thickness, Tb.Th; spacing, Tb.Sp; number, Tb.N; bone volume density, BV/TV). All measurements were taken twice by one trained observer. Tb.Th, Tb.Sp and Tb.N varied significantly across different FOVs in the NewTom 5G (
Url:
DOI: 10.1259/dmfr.20130329
PubMed: 24265395
PubMed Central: 4064619
Affiliations:
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Ibrahim</name><affiliation wicri:level="3"><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><country xml:lang="fr">Pays-Bas</country><wicri:regionArea>Department of General and Specialized Dentistry, Section of Oral and Maxillofacial Radiology, Academic Center for Dentistry Amsterdam (ACTA), Amsterdam</wicri:regionArea><placeName><settlement type="city">Amsterdam</settlement><region nuts="2" type="province">Hollande-Septentrionale</region></placeName></affiliation><affiliation wicri:level="1"><nlm:aff id="aff2"><addr-line>Department of Diagnostic and Integrated Dental Practice, Faculty of Dentistry, University of Malaya, Kuala Lumpur, Malaysia</addr-line></nlm:aff><country xml:lang="fr">Malaisie</country><wicri:regionArea>Department of Diagnostic and Integrated Dental Practice, Faculty of Dentistry, University of Malaya, Kuala Lumpur</wicri:regionArea><wicri:noRegion>Kuala Lumpur</wicri:noRegion></affiliation></author><author><name sortKey="Parsa, A" sort="Parsa, A" uniqKey="Parsa A" first="A" last="Parsa">A. Parsa</name><affiliation wicri:level="3"><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><country xml:lang="fr">Pays-Bas</country><wicri:regionArea>Department of General and Specialized Dentistry, Section of Oral and Maxillofacial Radiology, Academic Center for Dentistry Amsterdam (ACTA), Amsterdam</wicri:regionArea><placeName><settlement type="city">Amsterdam</settlement><region nuts="2" type="province">Hollande-Septentrionale</region></placeName></affiliation></author><author><name sortKey="Hassan, B" sort="Hassan, B" uniqKey="Hassan B" first="B" last="Hassan">B. Hassan</name><affiliation wicri:level="3"><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><country xml:lang="fr">Pays-Bas</country><wicri:regionArea>Department of General and Specialized Dentistry, Section of Oral and Maxillofacial Radiology, Academic Center for Dentistry Amsterdam (ACTA), Amsterdam</wicri:regionArea><placeName><settlement type="city">Amsterdam</settlement><region nuts="2" type="province">Hollande-Septentrionale</region></placeName></affiliation></author><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 wicri:level="3"><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><country xml:lang="fr">Pays-Bas</country><wicri:regionArea>Department of General and Specialized Dentistry, Section of Oral and Maxillofacial Radiology, Academic Center for Dentistry Amsterdam (ACTA), Amsterdam</wicri:regionArea><placeName><settlement type="city">Amsterdam</settlement><region nuts="2" type="province">Hollande-Septentrionale</region></placeName></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 wicri:level="3"><nlm:aff id="aff3"><addr-line>Department of Social Dentistry and Behavioural Sciences, Academic Center for Dentistry Amsterdam (ACTA), Amsterdam, Netherlands</addr-line></nlm:aff><country xml:lang="fr">Pays-Bas</country><wicri:regionArea>Department of Social Dentistry and Behavioural Sciences, Academic Center for Dentistry Amsterdam (ACTA), Amsterdam</wicri:regionArea><placeName><settlement type="city">Amsterdam</settlement><region nuts="2" type="province">Hollande-Septentrionale</region></placeName></affiliation></author><author><name sortKey="Nambiar, P" sort="Nambiar, P" uniqKey="Nambiar P" first="P" last="Nambiar">P. Nambiar</name><affiliation wicri:level="1"><nlm:aff id="aff2"><addr-line>Department of Diagnostic and Integrated Dental Practice, Faculty of Dentistry, University of Malaya, Kuala Lumpur, Malaysia</addr-line></nlm:aff><country xml:lang="fr">Malaisie</country><wicri:regionArea>Department of Diagnostic and Integrated Dental Practice, Faculty of Dentistry, University of Malaya, Kuala Lumpur</wicri:regionArea><wicri:noRegion>Kuala Lumpur</wicri:noRegion></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="2014">2014</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p>The aim of this study was to assess the influence of different object locations in different fields of view (FOVs) of two cone beam CT (CBCT) systems on trabecular bone microstructure measurements of a human mandible. A block of dry human mandible was scanned at five different locations (centre, left, right, anterior and posterior) using five different FOVs of two CBCT systems (NewTom™ 5G; QR Verona, Verona, Italy and Accuitomo 170; Morita, Kyoto, Japan). Image analysis software (CTAn software v. 1.1; SkyScan, Kontich, Belgium) was used to assess the trabecular bone microstructural parameters (thickness, Tb.Th; spacing, Tb.Sp; number, Tb.N; bone volume density, BV/TV). All measurements were taken twice by one trained observer. Tb.Th, Tb.Sp and Tb.N varied significantly across different FOVs in the NewTom 5G (<italic>p</italic> < 0.001) and the Accuitomo 170 (<italic>p</italic> < 0.001). For location, a significant difference was observed only when measuring BV/TV (<italic>p</italic> = 0.03) using the NewTom 5G. The trabecular bone microstructural measurements obtained from CBCT systems are influenced by the size of FOVs. Not all trabecular bone parameters measured using different CBCT systems are affected when varying the object location within the FOVs.</p></div></front></TEI><affiliations><list><country><li>Malaisie</li><li>Pays-Bas</li></country><region><li>Hollande-Septentrionale</li></region><settlement><li>Amsterdam</li></settlement></list><tree><country name="Pays-Bas"><region name="Hollande-Septentrionale"><name sortKey="Ibrahim, N" sort="Ibrahim, N" uniqKey="Ibrahim N" first="N" last="Ibrahim">N. Ibrahim</name></region><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><name sortKey="Hassan, B" sort="Hassan, B" uniqKey="Hassan B" first="B" last="Hassan">B. Hassan</name><name sortKey="Parsa, A" sort="Parsa, A" uniqKey="Parsa A" first="A" last="Parsa">A. Parsa</name><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></country><country name="Malaisie"><noRegion><name sortKey="Ibrahim, N" sort="Ibrahim, N" uniqKey="Ibrahim N" first="N" last="Ibrahim">N. Ibrahim</name></noRegion><name sortKey="Nambiar, P" sort="Nambiar, P" uniqKey="Nambiar P" first="P" last="Nambiar">P. Nambiar</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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