[Bone mineral density (BMD) distribution in edentulous mandible--a measuring system for bone mineral content with computed radiography (CR)].
Identifieur interne : 003B93 ( PubMed/Corpus ); précédent : 003B92; suivant : 003B94[Bone mineral density (BMD) distribution in edentulous mandible--a measuring system for bone mineral content with computed radiography (CR)].
Auteurs : S. TakaokaSource :
- Kokubyo Gakkai zasshi. The Journal of the Stomatological Society, Japan [ 0300-9149 ] ; 1998.
English descriptors
- KwdEn :
- MESH :
- chemistry : Mandible.
- diagnostic imaging : Jaw, Edentulous.
- metabolism : Jaw, Edentulous.
- Bone Density, Humans, Image Processing, Computer-Assisted, Radiography.
Abstract
The purpose of this study was to develop a measuring system for bone mineral density(BMD) using computed radiography and to measure BMD distribution in the edentulous mandible. Nine 2-3 mm thick sequential cross-sectional bone slices were obtained from five cadaveric mandibles. Each slice in cross-sectional view on X-ray image was divided into 64 elements and BMD distribution was investigated. The results were as followed: 1. BMD measuring system: The accuracy was 1.4%(relative error) and the reproducibility was 1.1%(CV). 2. BMD distribution in edentulous mandible: 1) BMD varied from slice to slice, decreasing from anterior to posterior in both cortical and cancellous bone on the inferior and lingual side. The BMD of buccal cancellous bone was relatively higher than that of the lingual side and remained fairly constant throughout. The BMD of buccal cortical bone showed a slight posterior increase. 2) Greater individual variation of BMD was observed near mental foramen and in incisor lingual and inferior cancellous bone. Our system demonstrated excellent precision and reproducibility BMD distribution varied near regions of muscle attachment and the mandibular canal. Further, it was suggested that strong implant stability in the molar region may be obtained by installation of the fixtures in the buccal cancellous area.
PubMed: 9584427
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Takaoka</name><affiliation><nlm:affiliation>Department of Geriatric Dentistry, Faculty of Dentistry, Tokyo Medical and Dental University.</nlm:affiliation></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="1998">1998</date><idno type="RBID">pubmed:9584427</idno><idno type="pmid">9584427</idno><idno type="wicri:Area/PubMed/Corpus">003B93</idno><idno type="wicri:explorRef" wicri:stream="PubMed" wicri:step="Corpus" wicri:corpus="PubMed">003B93</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">[Bone mineral density (BMD) distribution in edentulous mandible--a measuring system for bone mineral content with computed radiography (CR)].</title><author><name sortKey="Takaoka, S" sort="Takaoka, S" uniqKey="Takaoka S" first="S" last="Takaoka">S. Takaoka</name><affiliation><nlm:affiliation>Department of Geriatric Dentistry, Faculty of Dentistry, Tokyo Medical and Dental University.</nlm:affiliation></affiliation></author></analytic><series><title level="j">Kokubyo Gakkai zasshi. The Journal of the Stomatological Society, Japan</title><idno type="ISSN">0300-9149</idno><imprint><date when="1998" type="published">1998</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Bone Density</term><term>Humans</term><term>Image Processing, Computer-Assisted</term><term>Jaw, Edentulous (diagnostic imaging)</term><term>Jaw, Edentulous (metabolism)</term><term>Mandible (chemistry)</term><term>Radiography</term></keywords><keywords scheme="MESH" qualifier="chemistry" xml:lang="en"><term>Mandible</term></keywords><keywords scheme="MESH" qualifier="diagnostic imaging" xml:lang="en"><term>Jaw, Edentulous</term></keywords><keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Jaw, Edentulous</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Bone Density</term><term>Humans</term><term>Image Processing, Computer-Assisted</term><term>Radiography</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The purpose of this study was to develop a measuring system for bone mineral density(BMD) using computed radiography and to measure BMD distribution in the edentulous mandible. Nine 2-3 mm thick sequential cross-sectional bone slices were obtained from five cadaveric mandibles. Each slice in cross-sectional view on X-ray image was divided into 64 elements and BMD distribution was investigated. The results were as followed: 1. BMD measuring system: The accuracy was 1.4%(relative error) and the reproducibility was 1.1%(CV). 2. BMD distribution in edentulous mandible: 1) BMD varied from slice to slice, decreasing from anterior to posterior in both cortical and cancellous bone on the inferior and lingual side. The BMD of buccal cancellous bone was relatively higher than that of the lingual side and remained fairly constant throughout. The BMD of buccal cortical bone showed a slight posterior increase. 2) Greater individual variation of BMD was observed near mental foramen and in incisor lingual and inferior cancellous bone. Our system demonstrated excellent precision and reproducibility BMD distribution varied near regions of muscle attachment and the mandibular canal. Further, it was suggested that strong implant stability in the molar region may be obtained by installation of the fixtures in the buccal cancellous area.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">9584427</PMID><DateCompleted><Year>1998</Year><Month>06</Month><Day>23</Day></DateCompleted><DateRevised><Year>2016</Year><Month>11</Month><Day>24</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0300-9149</ISSN><JournalIssue CitedMedium="Print"><Volume>65</Volume><Issue>1</Issue><PubDate><Year>1998</Year><Month>Mar</Month></PubDate></JournalIssue><Title>Kokubyo Gakkai zasshi. The Journal of the Stomatological Society, Japan</Title><ISOAbbreviation>Kokubyo Gakkai Zasshi</ISOAbbreviation></Journal><ArticleTitle>[Bone mineral density (BMD) distribution in edentulous mandible--a measuring system for bone mineral content with computed radiography (CR)].</ArticleTitle><Pagination><MedlinePgn>112-24</MedlinePgn></Pagination><Abstract><AbstractText>The purpose of this study was to develop a measuring system for bone mineral density(BMD) using computed radiography and to measure BMD distribution in the edentulous mandible. Nine 2-3 mm thick sequential cross-sectional bone slices were obtained from five cadaveric mandibles. Each slice in cross-sectional view on X-ray image was divided into 64 elements and BMD distribution was investigated. The results were as followed: 1. BMD measuring system: The accuracy was 1.4%(relative error) and the reproducibility was 1.1%(CV). 2. BMD distribution in edentulous mandible: 1) BMD varied from slice to slice, decreasing from anterior to posterior in both cortical and cancellous bone on the inferior and lingual side. The BMD of buccal cancellous bone was relatively higher than that of the lingual side and remained fairly constant throughout. The BMD of buccal cortical bone showed a slight posterior increase. 2) Greater individual variation of BMD was observed near mental foramen and in incisor lingual and inferior cancellous bone. Our system demonstrated excellent precision and reproducibility BMD distribution varied near regions of muscle attachment and the mandibular canal. Further, it was suggested that strong implant stability in the molar region may be obtained by installation of the fixtures in the buccal cancellous area.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Takaoka</LastName><ForeName>S</ForeName><Initials>S</Initials><AffiliationInfo><Affiliation>Department of Geriatric Dentistry, Faculty of Dentistry, Tokyo Medical and Dental University.</Affiliation></AffiliationInfo></Author></AuthorList><Language>jpn</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>Japan</Country><MedlineTA>Kokubyo Gakkai Zasshi</MedlineTA><NlmUniqueID>0413677</NlmUniqueID><ISSNLinking>0300-9149</ISSNLinking></MedlineJournalInfo><CitationSubset>D</CitationSubset><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D015519" MajorTopicYN="Y">Bone Density</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D006801" MajorTopicYN="N">Humans</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D007091" MajorTopicYN="Y">Image Processing, Computer-Assisted</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D007575" MajorTopicYN="N">Jaw, Edentulous</DescriptorName><QualifierName UI="Q000000981" MajorTopicYN="N">diagnostic imaging</QualifierName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D008334" MajorTopicYN="N">Mandible</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="N">chemistry</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D011859" MajorTopicYN="N">Radiography</DescriptorName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>1998</Year><Month>5</Month><Day>19</Day></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>1998</Year><Month>5</Month><Day>19</Day><Hour>0</Hour><Minute>1</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>1998</Year><Month>5</Month><Day>19</Day><Hour>0</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">9584427</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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