Feasibility of ultra‐short echo time (UTE) magnetic resonance imaging for identification of carious lesions
Identifieur interne : 000F42 ( Istex/Corpus ); précédent : 000F41; suivant : 000F43Feasibility of ultra‐short echo time (UTE) magnetic resonance imaging for identification of carious lesions
Auteurs : Anna-Katinka Bracher ; Christian Hofmann ; Axel Bornstedt ; Saïd Boujraf ; Erich Hell ; Johannes Ulrici ; Axel Spahr ; Bernd Haller ; Volker RascheSource :
- Magnetic Resonance in Medicine [ 0740-3194 ] ; 2011-08.
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Abstract
The objective of this study was to investigate the potential of ultra short echo time imaging for the assessment of caries lesions and early demineralization. 12 patients with suspected caries lesions underwent a dental magnetic resonance imaging investigation comprising ultra short echo time imaging (echo time = 50 μs) and spin echo imaging. Before the dental magnetic resonance imaging, all patients underwent a conventional clinical dental investigation including visual assessment of the teeth as well as dental x‐ray imaging. All lesions identifiable in the x‐ray could be clearly identified in the ultra short echo time images, but only about 19% of the lesions were visible in the spin echo images. In 19% of all lesions, the lesions could be more clearly delineated in the ultra short echo time images than in the x‐ray images. This was especially the case for secondary lesions. In direct comparison with the x‐ray images, all lesions appeared substantially larger in the dental magnetic resonance imaging data. The presented data provide evidence that caries lesions can be identified in ultra short echo time magnetic resonance imaging with high sensitivity. The apparent larger volume of the lesions in dental magnetic resonance imaging may be attributed to fluid accumulation in demineralized areas without substantial breakdown of mineral structures. Magn Reson Med, 2011. © 2011 Wiley‐Liss, Inc.
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DOI: 10.1002/mrm.22828
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Med.</title><idno type="ISSN">0740-3194</idno><idno type="eISSN">1522-2594</idno><imprint><publisher>Wiley Subscription Services, Inc., A Wiley Company</publisher><pubPlace>Hoboken</pubPlace><date type="published" when="2011-08">2011-08</date><biblScope unit="volume">66</biblScope><biblScope unit="issue">2</biblScope><biblScope unit="page" from="538">538</biblScope><biblScope unit="page" to="545">545</biblScope></imprint><idno type="ISSN">0740-3194</idno></series><idno type="istex">57D0093FD82E174C91CB7A33C758D382034349BA</idno><idno type="DOI">10.1002/mrm.22828</idno><idno type="ArticleID">MRM22828</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0740-3194</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>caries</term><term>dental MRI</term><term>ultra‐short echo time</term></keywords></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The objective of this study was to investigate the potential of ultra short echo time imaging for the assessment of caries lesions and early demineralization. 12 patients with suspected caries lesions underwent a dental magnetic resonance imaging investigation comprising ultra short echo time imaging (echo time = 50 μs) and spin echo imaging. Before the dental magnetic resonance imaging, all patients underwent a conventional clinical dental investigation including visual assessment of the teeth as well as dental x‐ray imaging. All lesions identifiable in the x‐ray could be clearly identified in the ultra short echo time images, but only about 19% of the lesions were visible in the spin echo images. In 19% of all lesions, the lesions could be more clearly delineated in the ultra short echo time images than in the x‐ray images. This was especially the case for secondary lesions. In direct comparison with the x‐ray images, all lesions appeared substantially larger in the dental magnetic resonance imaging data. The presented data provide evidence that caries lesions can be identified in ultra short echo time magnetic resonance imaging with high sensitivity. The apparent larger volume of the lesions in dental magnetic resonance imaging may be attributed to fluid accumulation in demineralized areas without substantial breakdown of mineral structures. Magn Reson Med, 2011. © 2011 Wiley‐Liss, Inc.</div></front></TEI><istex><corpusName>wiley</corpusName><author><json:item><name>Anna‐Katinka Bracher</name><affiliations><json:string>Department of Internal Medicine II, University Hospital of Ulm, Ulm, Germany</json:string></affiliations></json:item><json:item><name>Christian Hofmann</name><affiliations><json:string>Department of Internal Medicine II, University Hospital of Ulm, Ulm, Germany</json:string><json:string>Department of Biophysics and Clinical MRI Methods, Faculty of Medicine and Pharmacy, University of Fez, Fez, Morocco</json:string></affiliations></json:item><json:item><name>Axel Bornstedt</name><affiliations><json:string>Department of Internal Medicine II, University Hospital of Ulm, Ulm, Germany</json:string></affiliations></json:item><json:item><name>Saïd Boujraf</name><affiliations><json:string>Department of Internal Medicine II, University Hospital of Ulm, Ulm, Germany</json:string><json:string>Sirona Dental Systems GmbH, Bensheim, Germany</json:string></affiliations></json:item><json:item><name>Erich Hell</name><affiliations><json:string>Department of Operative Dentistry, Periodontology and Pedodontics, University of Ulm, Ulm, Germany</json:string></affiliations></json:item><json:item><name>Johannes Ulrici</name><affiliations><json:string>Department of Operative Dentistry, Periodontology and Pedodontics, University of Ulm, Ulm, Germany</json:string></affiliations></json:item><json:item><name>Axel Spahr</name><affiliations><json:string>Department of Biophysics and Clinical MRI Methods, Faculty of Medicine and Pharmacy, University of Fez, Fez, Morocco</json:string></affiliations></json:item><json:item><name>Bernd Haller</name><affiliations><json:string>Department of Biophysics and Clinical MRI Methods, Faculty of Medicine and Pharmacy, University of Fez, Fez, Morocco</json:string></affiliations></json:item><json:item><name>Volker Rasche</name><affiliations><json:string>Department of Internal Medicine II, University Hospital of Ulm, Ulm, Germany</json:string></affiliations></json:item></author><subject><json:item><lang><json:string>eng</json:string></lang><value>ultra‐short echo time</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>dental MRI</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>caries</value></json:item></subject><articleId><json:string>MRM22828</json:string></articleId><language><json:string>eng</json:string></language><originalGenre><json:string>article</json:string></originalGenre><abstract>The objective of this study was to investigate the potential of ultra short echo time imaging for the assessment of caries lesions and early demineralization. 12 patients with suspected caries lesions underwent a dental magnetic resonance imaging investigation comprising ultra short echo time imaging (echo time = 50 μs) and spin echo imaging. Before the dental magnetic resonance imaging, all patients underwent a conventional clinical dental investigation including visual assessment of the teeth as well as dental x‐ray imaging. All lesions identifiable in the x‐ray could be clearly identified in the ultra short echo time images, but only about 19% of the lesions were visible in the spin echo images. In 19% of all lesions, the lesions could be more clearly delineated in the ultra short echo time images than in the x‐ray images. This was especially the case for secondary lesions. In direct comparison with the x‐ray images, all lesions appeared substantially larger in the dental magnetic resonance imaging data. The presented data provide evidence that caries lesions can be identified in ultra short echo time magnetic resonance imaging with high sensitivity. The apparent larger volume of the lesions in dental magnetic resonance imaging may be attributed to fluid accumulation in demineralized areas without substantial breakdown of mineral structures. 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Before the dental magnetic resonance imaging, all patients underwent a conventional clinical dental investigation including visual assessment of the teeth as well as dental x‐ray imaging. All lesions identifiable in the x‐ray could be clearly identified in the ultra short echo time images, but only about 19% of the lesions were visible in the spin echo images. In 19% of all lesions, the lesions could be more clearly delineated in the ultra short echo time images than in the x‐ray images. This was especially the case for secondary lesions. In direct comparison with the x‐ray images, all lesions appeared substantially larger in the dental magnetic resonance imaging data. The presented data provide evidence that caries lesions can be identified in ultra short echo time magnetic resonance imaging with high sensitivity. The apparent larger volume of the lesions in dental magnetic resonance imaging may be attributed to fluid accumulation in demineralized areas without substantial breakdown of mineral structures. 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href="file:MRM.MRM22828.pdf"></link></linkGroup></publicationMeta><contentMeta><countGroup><count type="figureTotal" number="5"></count><count type="tableTotal" number="3"></count><count type="referenceTotal" number="37"></count><count type="wordTotal" number="6765"></count></countGroup><titleGroup><title type="main" xml:lang="en">Feasibility of ultra‐short echo time (UTE) magnetic resonance imaging for identification of carious lesions</title><title type="short" xml:lang="en">MRI for Identification of Carious Lesions</title></titleGroup><creators><creator xml:id="au1" creatorRole="author" affiliationRef="#af1" noteRef="#fn1"><personName><givenNames>Anna‐Katinka</givenNames><familyName>Bracher</familyName></personName></creator><creator xml:id="au2" creatorRole="author" affiliationRef="#af1 #af2" noteRef="#fn1"><personName><givenNames>Christian</givenNames><familyName>Hofmann</familyName></personName></creator><creator xml:id="au3" creatorRole="author" affiliationRef="#af1"><personName><givenNames>Axel</givenNames><familyName>Bornstedt</familyName></personName></creator><creator xml:id="au4" creatorRole="author" affiliationRef="#af1 #af3"><personName><givenNames>Saïd</givenNames><familyName>Boujraf</familyName></personName></creator><creator xml:id="au5" creatorRole="author" affiliationRef="#af4"><personName><givenNames>Erich</givenNames><familyName>Hell</familyName></personName></creator><creator xml:id="au6" creatorRole="author" affiliationRef="#af4"><personName><givenNames>Johannes</givenNames><familyName>Ulrici</familyName></personName></creator><creator xml:id="au7" creatorRole="author" affiliationRef="#af2"><personName><givenNames>Axel</givenNames><familyName>Spahr</familyName></personName></creator><creator xml:id="au8" creatorRole="author" affiliationRef="#af2"><personName><givenNames>Bernd</givenNames><familyName>Haller</familyName></personName></creator><creator xml:id="au9" creatorRole="author" affiliationRef="#af1" corresponding="yes"><personName><givenNames>Volker</givenNames><familyName>Rasche</familyName></personName><contactDetails><email normalForm="volker.rasche@uniklinik-ulm.de">volker.rasche@uniklinik‐ulm.de</email></contactDetails></creator></creators><affiliationGroup><affiliation xml:id="af1" countryCode="DE" type="organization"><unparsedAffiliation>Department of Internal Medicine II, University Hospital of Ulm, Ulm, Germany</unparsedAffiliation></affiliation><affiliation xml:id="af2" countryCode="MA" type="organization"><unparsedAffiliation>Department of Biophysics and Clinical MRI Methods, Faculty of Medicine and Pharmacy, University of Fez, Fez, Morocco</unparsedAffiliation></affiliation><affiliation xml:id="af3" countryCode="DE" type="organization"><unparsedAffiliation>Sirona Dental Systems GmbH, Bensheim, Germany</unparsedAffiliation></affiliation><affiliation xml:id="af4" countryCode="DE" type="organization"><unparsedAffiliation>Department of Operative Dentistry, Periodontology and Pedodontics, University of Ulm, Ulm, Germany</unparsedAffiliation></affiliation></affiliationGroup><keywordGroup xml:lang="en" type="author"><keyword xml:id="kwd1">ultra‐short echo time</keyword><keyword xml:id="kwd2">dental MRI</keyword><keyword xml:id="kwd3">caries</keyword></keywordGroup><abstractGroup><abstract type="main" xml:lang="en"><title type="main">Abstract</title><p>The objective of this study was to investigate the potential of ultra short echo time imaging for the assessment of caries lesions and early demineralization. 12 patients with suspected caries lesions underwent a dental magnetic resonance imaging investigation comprising ultra short echo time imaging (echo time = 50 μs) and spin echo imaging. Before the dental magnetic resonance imaging, all patients underwent a conventional clinical dental investigation including visual assessment of the teeth as well as dental x‐ray imaging. All lesions identifiable in the x‐ray could be clearly identified in the ultra short echo time images, but only about 19% of the lesions were visible in the spin echo images. In 19% of all lesions, the lesions could be more clearly delineated in the ultra short echo time images than in the x‐ray images. This was especially the case for secondary lesions. In direct comparison with the x‐ray images, all lesions appeared substantially larger in the dental magnetic resonance imaging data. The presented data provide evidence that caries lesions can be identified in ultra short echo time magnetic resonance imaging with high sensitivity. The apparent larger volume of the lesions in dental magnetic resonance imaging may be attributed to fluid accumulation in demineralized areas without substantial breakdown of mineral structures. Magn Reson Med, 2011. © 2011 Wiley‐Liss, Inc.</p></abstract></abstractGroup></contentMeta><noteGroup><note xml:id="fn1"><p>AK Bracher and C Hofmann contributed equally to the manuscript</p></note></noteGroup></header></component></istex:document></istex:metadataXml><mods version="3.6"><titleInfo lang="en"><title>Feasibility of ultra‐short echo time (UTE) magnetic resonance imaging for identification of carious lesions</title></titleInfo><titleInfo type="abbreviated" lang="en"><title>MRI for Identification of Carious Lesions</title></titleInfo><titleInfo type="alternative" contentType="CDATA" lang="en"><title>Feasibility of ultra‐short echo time (UTE) magnetic resonance imaging for identification of carious lesions</title></titleInfo><name type="personal"><namePart type="given">Anna‐Katinka</namePart><namePart type="family">Bracher</namePart><affiliation>Department of Internal Medicine II, University Hospital of Ulm, Ulm, Germany</affiliation><description>AK Bracher and C Hofmann contributed equally to the manuscript</description><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Christian</namePart><namePart type="family">Hofmann</namePart><affiliation>Department of Internal Medicine II, University Hospital of Ulm, Ulm, Germany</affiliation><affiliation>Department of Biophysics and Clinical MRI Methods, Faculty of Medicine and Pharmacy, University of Fez, Fez, Morocco</affiliation><description>AK Bracher and C Hofmann contributed equally to the manuscript</description><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Axel</namePart><namePart type="family">Bornstedt</namePart><affiliation>Department of Internal Medicine II, University Hospital of Ulm, Ulm, Germany</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Saïd</namePart><namePart type="family">Boujraf</namePart><affiliation>Department of Internal Medicine II, University Hospital of Ulm, Ulm, Germany</affiliation><affiliation>Sirona Dental Systems GmbH, Bensheim, Germany</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Erich</namePart><namePart type="family">Hell</namePart><affiliation>Department of Operative Dentistry, Periodontology and Pedodontics, University of Ulm, Ulm, Germany</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Johannes</namePart><namePart type="family">Ulrici</namePart><affiliation>Department of Operative Dentistry, Periodontology and Pedodontics, University of Ulm, Ulm, Germany</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Axel</namePart><namePart type="family">Spahr</namePart><affiliation>Department of Biophysics and Clinical MRI Methods, Faculty of Medicine and Pharmacy, University of Fez, Fez, Morocco</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Bernd</namePart><namePart type="family">Haller</namePart><affiliation>Department of Biophysics and Clinical MRI Methods, Faculty of Medicine and Pharmacy, University of Fez, Fez, Morocco</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Volker</namePart><namePart type="family">Rasche</namePart><affiliation>Department of Internal Medicine II, University Hospital of Ulm, Ulm, Germany</affiliation><description>Correspondence: Experimental Cardiovascular Imaging, Department of Internal Medicine II, University Hospital Ulm, University of Ulm, Albert‐Einstein‐Allee 23, 89081 Ulm, Germany===</description><role><roleTerm type="text">author</roleTerm></role></name><typeOfResource>text</typeOfResource><genre type="article" displayLabel="article"></genre><originInfo><publisher>Wiley Subscription Services, Inc., A Wiley Company</publisher><place><placeTerm type="text">Hoboken</placeTerm></place><dateIssued encoding="w3cdtf">2011-08</dateIssued><dateCaptured encoding="w3cdtf">2010-04-26</dateCaptured><dateValid encoding="w3cdtf">2010-12-20</dateValid><copyrightDate encoding="w3cdtf">2011</copyrightDate></originInfo><language><languageTerm type="code" authority="rfc3066">en</languageTerm><languageTerm type="code" authority="iso639-2b">eng</languageTerm></language><physicalDescription><internetMediaType>text/html</internetMediaType><extent unit="figures">5</extent><extent unit="tables">3</extent><extent unit="references">37</extent><extent unit="words">6765</extent></physicalDescription><abstract lang="en">The objective of this study was to investigate the potential of ultra short echo time imaging for the assessment of caries lesions and early demineralization. 12 patients with suspected caries lesions underwent a dental magnetic resonance imaging investigation comprising ultra short echo time imaging (echo time = 50 μs) and spin echo imaging. Before the dental magnetic resonance imaging, all patients underwent a conventional clinical dental investigation including visual assessment of the teeth as well as dental x‐ray imaging. All lesions identifiable in the x‐ray could be clearly identified in the ultra short echo time images, but only about 19% of the lesions were visible in the spin echo images. In 19% of all lesions, the lesions could be more clearly delineated in the ultra short echo time images than in the x‐ray images. This was especially the case for secondary lesions. In direct comparison with the x‐ray images, all lesions appeared substantially larger in the dental magnetic resonance imaging data. The presented data provide evidence that caries lesions can be identified in ultra short echo time magnetic resonance imaging with high sensitivity. The apparent larger volume of the lesions in dental magnetic resonance imaging may be attributed to fluid accumulation in demineralized areas without substantial breakdown of mineral structures. Magn Reson Med, 2011. © 2011 Wiley‐Liss, Inc.</abstract><subject lang="en"><genre>keywords</genre><topic>ultra‐short echo time</topic><topic>dental MRI</topic><topic>caries</topic></subject><relatedItem type="host"><titleInfo><title>Magnetic Resonance in Medicine</title></titleInfo><titleInfo type="abbreviated"><title>Magn. Reson. Med.</title></titleInfo><genre type="journal">journal</genre><subject><genre>article-category</genre><topic>Full Paper</topic></subject><identifier type="ISSN">0740-3194</identifier><identifier type="eISSN">1522-2594</identifier><identifier type="DOI">10.1002/(ISSN)1522-2594</identifier><identifier type="PublisherID">MRM</identifier><part><date>2011</date><detail type="volume"><caption>vol.</caption><number>66</number></detail><detail type="issue"><caption>no.</caption><number>2</number></detail><extent unit="pages"><start>538</start><end>545</end><total>8</total></extent></part></relatedItem><identifier type="istex">57D0093FD82E174C91CB7A33C758D382034349BA</identifier><identifier type="DOI">10.1002/mrm.22828</identifier><identifier type="ArticleID">MRM22828</identifier><accessCondition type="use and reproduction" contentType="copyright">Copyright © 2011 Wiley‐Liss, Inc.</accessCondition><recordInfo><recordContentSource>WILEY</recordContentSource><recordOrigin>Wiley Subscription Services, Inc., A Wiley Company</recordOrigin></recordInfo></mods></metadata><serie></serie></istex></record>Pour manipuler ce document sous Unix (Dilib)
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