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Assessment of metal artefact reduction around dental titanium implants in cone beam CT.

Identifieur interne : 000B55 ( PubMed/Corpus ); précédent : 000B54; suivant : 000B56

Assessment of metal artefact reduction around dental titanium implants in cone beam CT.

Auteurs : A. Parsa ; N. Ibrahim ; B. Hassan ; K. Syriopoulos ; P. Van Der Stelt

Source :

RBID : pubmed:25135316

Abstract

The aim of this study was to investigate if the metal artefact reduction (MAR) tool used in the software of the ORTHOPANTOMOGRAPH(®) OP300 (Instrumentarium Dental, Tuusula, Finland) can improve the gray value levels in post-operative implant scans.

DOI: 10.1259/dmfr.20140019
PubMed: 25135316

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pubmed:25135316

Le document en format XML

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<title xml:lang="en">Assessment of metal artefact reduction around dental titanium implants in cone beam CT.</title>
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<name sortKey="Parsa, A" sort="Parsa, A" uniqKey="Parsa A" first="A" last="Parsa">A. Parsa</name>
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<nlm:affiliation>1 Department of General and Specialized Dentistry, Section Oral and Maxillofacial Radiology, Academic Center for Dentistry Amsterdam (ACTA), Amsterdam, Netherlands.</nlm:affiliation>
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<name sortKey="Ibrahim, N" sort="Ibrahim, N" uniqKey="Ibrahim N" first="N" last="Ibrahim">N. Ibrahim</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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<name sortKey="Syriopoulos, K" sort="Syriopoulos, K" uniqKey="Syriopoulos K" first="K" last="Syriopoulos">K. Syriopoulos</name>
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<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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<title xml:lang="en">Assessment of metal artefact reduction around dental titanium implants in cone beam CT.</title>
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<name sortKey="Parsa, A" sort="Parsa, A" uniqKey="Parsa A" first="A" last="Parsa">A. Parsa</name>
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<nlm:affiliation>1 Department of General and Specialized Dentistry, Section Oral and Maxillofacial Radiology, Academic Center for Dentistry Amsterdam (ACTA), Amsterdam, Netherlands.</nlm:affiliation>
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<name sortKey="Ibrahim, N" sort="Ibrahim, N" uniqKey="Ibrahim N" first="N" last="Ibrahim">N. Ibrahim</name>
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<name sortKey="Hassan, B" sort="Hassan, B" uniqKey="Hassan B" first="B" last="Hassan">B. Hassan</name>
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<name sortKey="Syriopoulos, K" sort="Syriopoulos, K" uniqKey="Syriopoulos K" first="K" last="Syriopoulos">K. Syriopoulos</name>
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<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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<title level="j">Dento maxillo facial radiology</title>
<idno type="ISSN">0250-832X</idno>
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<div type="abstract" xml:lang="en">The aim of this study was to investigate if the metal artefact reduction (MAR) tool used in the software of the ORTHOPANTOMOGRAPH(®) OP300 (Instrumentarium Dental, Tuusula, Finland) can improve the gray value levels in post-operative implant scans.</div>
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<ISSN IssnType="Print">0250-832X</ISSN>
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<Volume>43</Volume>
<Issue>7</Issue>
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<Title>Dento maxillo facial radiology</Title>
<ISOAbbreviation>Dentomaxillofac Radiol</ISOAbbreviation>
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<ArticleTitle>Assessment of metal artefact reduction around dental titanium implants in cone beam CT.</ArticleTitle>
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<AbstractText Label="OBJECTIVES" NlmCategory="OBJECTIVE">The aim of this study was to investigate if the metal artefact reduction (MAR) tool used in the software of the ORTHOPANTOMOGRAPH(®) OP300 (Instrumentarium Dental, Tuusula, Finland) can improve the gray value levels in post-operative implant scans.</AbstractText>
<AbstractText Label="METHODS" NlmCategory="METHODS">20 potential implant sites were selected from 5 edentulous human dry mandibles. Each mandible was scanned by a CBCT scanner, and images were produced under three different conditions: implant sites drilled but no implants inserted, implants inserted without application of MAR and implants inserted with application of MAR. Using Geomagic(®) Studio 2012 (Geomagic, Morrisville, NC) and 3Diagnosys(®) v. 5.3.1 (3Diemme(®) SRL, Cantù, Italy) software, three scans of each mandible were superimposed. The mean gray value of identical regions of bone around the implants was derived for each condition. The differences between gray value measurements at implant sites derived from different conditions were assessed.</AbstractText>
<AbstractText Label="RESULTS" NlmCategory="RESULTS">A significant difference was found between mean gray values from the scans with no implants inserted and with implants inserted (with and without MAR) (p = 0.012). No significant difference was revealed for gray values measured from scans with and without MAR (p = 0.975).</AbstractText>
<AbstractText Label="CONCLUSIONS" NlmCategory="CONCLUSIONS">The MAR tool in the software of the ORTHOPANTOMOGRAPH OP300 CBCT scanner does not significantly correct the voxel gray values affected by the metal artefact in the vicinity of an implant in human dry mandibles.</AbstractText>
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<Affiliation>1 Department of General and Specialized Dentistry, Section Oral and Maxillofacial Radiology, Academic Center for Dentistry Amsterdam (ACTA), Amsterdam, Netherlands.</Affiliation>
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<Keyword MajorTopicYN="N">cone beam computed tomography</Keyword>
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