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Fractal dimension and lacunarity analysis of dental radiographs.

Identifieur interne : 002922 ( PubMed/Corpus ); précédent : 002921; suivant : 002923

Fractal dimension and lacunarity analysis of dental radiographs.

Auteurs : F. Yasar ; F. Akgünlü

Source :

Dento maxillo facial radiology [ 0250-832X ] ; 2005.

RBID : pubmed:16120874

English descriptors

KwdEn :
- Adult, Algorithms, Bicuspid, Bite Force, Bone Density, Fractals, Humans, Image Processing, Computer-Assisted (methods), Jaw, Edentulous, Partially (diagnostic imaging), Jaw, Edentulous, Partially (pathology), Mandible (diagnostic imaging), Mandible (pathology), Middle Aged, Molar, Periapical Tissue (diagnostic imaging), Periapical Tissue (pathology), Radiography, Dental, Digital.
MESH :
- diagnostic imaging : Jaw, Edentulous, Partially, Mandible, Periapical Tissue.
- methods : Image Processing, Computer-Assisted.
- pathology : Jaw, Edentulous, Partially, Mandible, Periapical Tissue.
- Adult, Algorithms, Bicuspid, Bite Force, Bone Density, Fractals, Humans, Middle Aged, Molar, Radiography, Dental, Digital.

Abstract

As the occlusal forces transmitted to the jaw bones during mastication might be different in dentate and edentulous regions, there might be different radiographical trabecular bone texture in these regions. Image analysis procedures are promising techniques which are used to detect structural changes of bone texture on radiographs. In this study, the differences of fractal dimension (FD) and lacunarity measurements of radiographical trabecular bone between dentate and edentulous regions were investigated.

DOI: 10.1259/dmfr/85149245
PubMed: 16120874

Links to Exploration step

pubmed:16120874

Le document en format XML

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<author><name sortKey="Yasar, F" sort="Yasar, F" uniqKey="Yasar F" first="F" last="Yasar">F. Yasar</name>
<affiliation><nlm:affiliation>Selcuk Universitesi Dis Hekimligi Fakultesi, Oral Diagnoz ve Radyoloji Anabilim Dali, 42075 Konya, Turkey. drfyasar@hotmail.com</nlm:affiliation>
</affiliation>
</author>
<author><name sortKey="Akgunlu, F" sort="Akgunlu, F" uniqKey="Akgunlu F" first="F" last="Akgünlü">F. Akgünlü</name>
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<sourceDesc><biblStruct><analytic><title xml:lang="en">Fractal dimension and lacunarity analysis of dental radiographs.</title>
<author><name sortKey="Yasar, F" sort="Yasar, F" uniqKey="Yasar F" first="F" last="Yasar">F. Yasar</name>
<affiliation><nlm:affiliation>Selcuk Universitesi Dis Hekimligi Fakultesi, Oral Diagnoz ve Radyoloji Anabilim Dali, 42075 Konya, Turkey. drfyasar@hotmail.com</nlm:affiliation>
</affiliation>
</author>
<author><name sortKey="Akgunlu, F" sort="Akgunlu, F" uniqKey="Akgunlu F" first="F" last="Akgünlü">F. Akgünlü</name>
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<series><title level="j">Dento maxillo facial radiology</title>
<idno type="ISSN">0250-832X</idno>
<imprint><date when="2005" type="published">2005</date>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adult</term>
<term>Algorithms</term>
<term>Bicuspid</term>
<term>Bite Force</term>
<term>Bone Density</term>
<term>Fractals</term>
<term>Humans</term>
<term>Image Processing, Computer-Assisted (methods)</term>
<term>Jaw, Edentulous, Partially (diagnostic imaging)</term>
<term>Jaw, Edentulous, Partially (pathology)</term>
<term>Mandible (diagnostic imaging)</term>
<term>Mandible (pathology)</term>
<term>Middle Aged</term>
<term>Molar</term>
<term>Periapical Tissue (diagnostic imaging)</term>
<term>Periapical Tissue (pathology)</term>
<term>Radiography, Dental, Digital</term>
</keywords>
<keywords scheme="MESH" qualifier="diagnostic imaging" xml:lang="en"><term>Jaw, Edentulous, Partially</term>
<term>Mandible</term>
<term>Periapical Tissue</term>
</keywords>
<keywords scheme="MESH" qualifier="methods" xml:lang="en"><term>Image Processing, Computer-Assisted</term>
</keywords>
<keywords scheme="MESH" qualifier="pathology" xml:lang="en"><term>Jaw, Edentulous, Partially</term>
<term>Mandible</term>
<term>Periapical Tissue</term>
</keywords>
<keywords scheme="MESH" xml:lang="en"><term>Adult</term>
<term>Algorithms</term>
<term>Bicuspid</term>
<term>Bite Force</term>
<term>Bone Density</term>
<term>Fractals</term>
<term>Humans</term>
<term>Middle Aged</term>
<term>Molar</term>
<term>Radiography, Dental, Digital</term>
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<front><div type="abstract" xml:lang="en">As the occlusal forces transmitted to the jaw bones during mastication might be different in dentate and edentulous regions, there might be different radiographical trabecular bone texture in these regions. Image analysis procedures are promising techniques which are used to detect structural changes of bone texture on radiographs. In this study, the differences of fractal dimension (FD) and lacunarity measurements of radiographical trabecular bone between dentate and edentulous regions were investigated.</div>
</front>
</TEI>
<pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">16120874</PMID>
<DateCompleted><Year>2005</Year>
<Month>10</Month>
<Day>20</Day>
</DateCompleted>
<DateRevised><Year>2016</Year>
<Month>11</Month>
<Day>24</Day>
</DateRevised>
<Article PubModel="Print"><Journal><ISSN IssnType="Print">0250-832X</ISSN>
<JournalIssue CitedMedium="Print"><Volume>34</Volume>
<Issue>5</Issue>
<PubDate><Year>2005</Year>
<Month>Sep</Month>
</PubDate>
</JournalIssue>
<Title>Dento maxillo facial radiology</Title>
<ISOAbbreviation>Dentomaxillofac Radiol</ISOAbbreviation>
</Journal>
<ArticleTitle>Fractal dimension and lacunarity analysis of dental radiographs.</ArticleTitle>
<Pagination><MedlinePgn>261-7</MedlinePgn>
</Pagination>
<Abstract><AbstractText Label="OBJECTIVE" NlmCategory="OBJECTIVE">As the occlusal forces transmitted to the jaw bones during mastication might be different in dentate and edentulous regions, there might be different radiographical trabecular bone texture in these regions. Image analysis procedures are promising techniques which are used to detect structural changes of bone texture on radiographs. In this study, the differences of fractal dimension (FD) and lacunarity measurements of radiographical trabecular bone between dentate and edentulous regions were investigated.</AbstractText>
<AbstractText Label="METHODS" NlmCategory="METHODS">Direct digital radiographs of premolar-molar region were taken from 51 patients who were included in our study. Two rectangular regions of interest (ROIs) with the same dimensions (37x119 pixels) were created on these radiographs; one in the edentulous region and the other one in the dentate region. The ROIs were segmented as black and white areas. Box-counting fractal dimension and lacunarity of these regions were calculated.</AbstractText>
<AbstractText Label="RESULTS" NlmCategory="RESULTS">Paired samples t-test and Pearson correlation coefficients were calculated. It was found that there were differences between dentate and edentulous regions for FD and lacunarity (P=0.000). There is a negative correlation between FD and lacunarity (-0.643, P<0.01), positive correlation between dentate and edentulous regions and FD (0.819, P<0.01), and a negative correlation between lacunarity and dentate and edentulous regions (-0.541, P<0.01).</AbstractText>
<AbstractText Label="CONCLUSIONS" NlmCategory="CONCLUSIONS">The differences of occlusal forces generated in dentate and edentulous regions during mastication cause some alterations in trabecular bone structure, and fractal dimension and lacunarity can reveal these alterations quantitatively.</AbstractText>
</Abstract>
<AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Yasar</LastName>
<ForeName>F</ForeName>
<Initials>F</Initials>
<AffiliationInfo><Affiliation>Selcuk Universitesi Dis Hekimligi Fakultesi, Oral Diagnoz ve Radyoloji Anabilim Dali, 42075 Konya, Turkey. drfyasar@hotmail.com</Affiliation>
</AffiliationInfo>
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<Author ValidYN="Y"><LastName>Akgünlü</LastName>
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<Language>eng</Language>
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<MedlineJournalInfo><Country>England</Country>
<MedlineTA>Dentomaxillofac Radiol</MedlineTA>
<NlmUniqueID>7609576</NlmUniqueID>
<ISSNLinking>0250-832X</ISSNLinking>
</MedlineJournalInfo>
<CitationSubset>D</CitationSubset>
<MeshHeadingList><MeshHeading><DescriptorName UI="D000328" MajorTopicYN="N">Adult</DescriptorName>
</MeshHeading>
<MeshHeading><DescriptorName UI="D000465" MajorTopicYN="N">Algorithms</DescriptorName>
</MeshHeading>
<MeshHeading><DescriptorName UI="D001641" MajorTopicYN="N">Bicuspid</DescriptorName>
</MeshHeading>
<MeshHeading><DescriptorName UI="D001732" MajorTopicYN="N">Bite Force</DescriptorName>
</MeshHeading>
<MeshHeading><DescriptorName UI="D015519" MajorTopicYN="Y">Bone Density</DescriptorName>
</MeshHeading>
<MeshHeading><DescriptorName UI="D017709" MajorTopicYN="Y">Fractals</DescriptorName>
</MeshHeading>
<MeshHeading><DescriptorName UI="D006801" MajorTopicYN="N">Humans</DescriptorName>
</MeshHeading>
<MeshHeading><DescriptorName UI="D007091" MajorTopicYN="N">Image Processing, Computer-Assisted</DescriptorName>
<QualifierName UI="Q000379" MajorTopicYN="Y">methods</QualifierName>
</MeshHeading>
<MeshHeading><DescriptorName UI="D007576" MajorTopicYN="N">Jaw, Edentulous, Partially</DescriptorName>
<QualifierName UI="Q000000981" MajorTopicYN="N">diagnostic imaging</QualifierName>
<QualifierName UI="Q000473" MajorTopicYN="N">pathology</QualifierName>
</MeshHeading>
<MeshHeading><DescriptorName UI="D008334" MajorTopicYN="N">Mandible</DescriptorName>
<QualifierName UI="Q000000981" MajorTopicYN="Y">diagnostic imaging</QualifierName>
<QualifierName UI="Q000473" MajorTopicYN="N">pathology</QualifierName>
</MeshHeading>
<MeshHeading><DescriptorName UI="D008875" MajorTopicYN="N">Middle Aged</DescriptorName>
</MeshHeading>
<MeshHeading><DescriptorName UI="D008963" MajorTopicYN="N">Molar</DescriptorName>
</MeshHeading>
<MeshHeading><DescriptorName UI="D010486" MajorTopicYN="N">Periapical Tissue</DescriptorName>
<QualifierName UI="Q000000981" MajorTopicYN="N">diagnostic imaging</QualifierName>
<QualifierName UI="Q000473" MajorTopicYN="N">pathology</QualifierName>
</MeshHeading>
<MeshHeading><DescriptorName UI="D019252" MajorTopicYN="N">Radiography, Dental, Digital</DescriptorName>
</MeshHeading>
</MeshHeadingList>
</MedlineCitation>
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<Month>8</Month>
<Day>27</Day>
<Hour>9</Hour>
<Minute>0</Minute>
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<ArticleIdList><ArticleId IdType="pubmed">16120874</ArticleId>
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<ArticleId IdType="doi">10.1259/dmfr/85149245</ArticleId>
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Fractal dimension and lacunarity analysis of dental radiographs.

Fractal dimension and lacunarity analysis of dental radiographs.

Source :

English descriptors

Abstract

Links to Exploration step

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri

Pour générer des pages wiki