A three-dimensional analysis method for edentulous mandibular ridge shape.
Identifieur interne : 006800 ( Main/Exploration ); précédent : 006799; suivant : 006801A three-dimensional analysis method for edentulous mandibular ridge shape.
Auteurs : Mamoru Murakami [Japon] ; Naotsugu Kawahata ; Eiichi NagaokaSource :
- Dental materials journal [ 0287-4547 ] ; 2007.
Descripteurs français
- KwdFr :
- MESH :
English descriptors
- KwdEn :
- MESH :
- methods : Image Processing, Computer-Assisted.
- pathology : Alveolar Process, Jaw, Edentulous, Mandible.
- Aged, Aged, 80 and over, Dental Models, Female, Humans, Lasers, Male, Middle Aged, Software.
Abstract
The aim of this study was to develop a three-dimensional method to analyze edentulous ridge shapes. A laser projection method was used to record the shape of edentulous plaster models. Contour of residual ridge on the reconstructed image was then subdivided into small triangles, and a 'normal line' representing the center of gravity of each triangle was determined buccolingually and anteroposteriorly. Angle between the normal line on the residual ridge and the tentative occlusal plane was calculated for each triangle. These angles were then used to analyze the ridge shape. This method was used to analyze the ridges of 20 edentulous patients with excessive bone resorption. The results suggested that this method was useful for analyzing edentulous ridges regardless of ridge shape and degree of resorption.
PubMed: 17695076
Affiliations:
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sortKey="Nagaoka, Eiichi" sort="Nagaoka, Eiichi" uniqKey="Nagaoka E" first="Eiichi" last="Nagaoka">Eiichi Nagaoka</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2007">2007</date><idno type="RBID">pubmed:17695076</idno><idno type="pmid">17695076</idno><idno type="wicri:Area/PubMed/Corpus">002490</idno><idno type="wicri:explorRef" wicri:stream="PubMed" wicri:step="Corpus" wicri:corpus="PubMed">002490</idno><idno type="wicri:Area/PubMed/Curation">002490</idno><idno type="wicri:explorRef" wicri:stream="PubMed" wicri:step="Curation">002490</idno><idno type="wicri:Area/PubMed/Checkpoint">002490</idno><idno type="wicri:explorRef" wicri:stream="Checkpoint" wicri:step="PubMed">002490</idno><idno type="wicri:Area/Ncbi/Merge">001D74</idno><idno type="wicri:Area/Ncbi/Curation">001D74</idno><idno type="wicri:Area/Ncbi/Checkpoint">001D74</idno><idno type="wicri:doubleKey">0287-4547:2007:Murakami M:a:three:dimensional</idno><idno 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Naotsugu" sort="Kawahata, Naotsugu" uniqKey="Kawahata N" first="Naotsugu" last="Kawahata">Naotsugu Kawahata</name></author><author><name sortKey="Nagaoka, Eiichi" sort="Nagaoka, Eiichi" uniqKey="Nagaoka E" first="Eiichi" last="Nagaoka">Eiichi Nagaoka</name></author></analytic><series><title level="j">Dental materials journal</title><idno type="ISSN">0287-4547</idno><imprint><date when="2007" type="published">2007</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Aged</term><term>Aged, 80 and over</term><term>Alveolar Process (pathology)</term><term>Dental Models</term><term>Female</term><term>Humans</term><term>Image Processing, Computer-Assisted (methods)</term><term>Jaw, Edentulous (pathology)</term><term>Lasers</term><term>Male</term><term>Mandible (pathology)</term><term>Middle Aged</term><term>Software</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Adulte d'âge moyen</term><term>Femelle</term><term>Humains</term><term>Lasers</term><term>Logiciel</term><term>Mandibule (anatomopathologie)</term><term>Modèles dentaires</term><term>Mâchoire édentée (anatomopathologie)</term><term>Mâle</term><term>Processus alvéolaire (anatomopathologie)</term><term>Sujet âgé</term><term>Sujet âgé de 80 ans ou plus</term><term>Traitement d'image par ordinateur ()</term></keywords><keywords scheme="MESH" qualifier="anatomopathologie" xml:lang="fr"><term>Mandibule</term><term>Mâchoire édentée</term><term>Processus alvéolaire</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>Alveolar Process</term><term>Jaw, Edentulous</term><term>Mandible</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Aged</term><term>Aged, 80 and over</term><term>Dental Models</term><term>Female</term><term>Humans</term><term>Lasers</term><term>Male</term><term>Middle Aged</term><term>Software</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Adulte d'âge moyen</term><term>Femelle</term><term>Humains</term><term>Lasers</term><term>Logiciel</term><term>Modèles dentaires</term><term>Mâle</term><term>Sujet âgé</term><term>Sujet âgé de 80 ans ou plus</term><term>Traitement d'image par ordinateur</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The aim of this study was to develop a three-dimensional method to analyze edentulous ridge shapes. A laser projection method was used to record the shape of edentulous plaster models. Contour of residual ridge on the reconstructed image was then subdivided into small triangles, and a 'normal line' representing the center of gravity of each triangle was determined buccolingually and anteroposteriorly. Angle between the normal line on the residual ridge and the tentative occlusal plane was calculated for each triangle. These angles were then used to analyze the ridge shape. This method was used to analyze the ridges of 20 edentulous patients with excessive bone resorption. The results suggested that this method was useful for analyzing edentulous ridges regardless of ridge shape and degree of resorption.</div></front></TEI><affiliations><list><country><li>Japon</li></country></list><tree><noCountry><name sortKey="Kawahata, Naotsugu" sort="Kawahata, Naotsugu" uniqKey="Kawahata N" first="Naotsugu" last="Kawahata">Naotsugu Kawahata</name><name sortKey="Nagaoka, Eiichi" sort="Nagaoka, Eiichi" uniqKey="Nagaoka E" first="Eiichi" last="Nagaoka">Eiichi Nagaoka</name></noCountry><country name="Japon"><noRegion><name sortKey="Murakami, Mamoru" sort="Murakami, Mamoru" uniqKey="Murakami M" first="Mamoru" last="Murakami">Mamoru Murakami</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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