Edentulation alters material properties of cortical bone in the human mandible.
Identifieur interne : 008255 ( Main/Exploration ); précédent : 008254; suivant : 008256Edentulation alters material properties of cortical bone in the human mandible.
Auteurs : C L Schwartz-Dabney [États-Unis] ; P C DechowSource :
- Journal of dental research [ 0022-0345 ] ; 2002.
Descripteurs français
- KwdFr :
- Adulte d'âge moyen, Analyse de variance, Cadavre, Contrainte mécanique, Densité osseuse (physiologie), Femelle, Humains, Loi de Poisson, Mandibule (anatomopathologie), Mandibule (physiopathologie), Mâchoire édentée (anatomopathologie), Mâchoire édentée (physiopathologie), Mâle, Phénomènes biomécaniques, Résorption osseuse (anatomopathologie), Résorption osseuse (physiopathologie), Science des ultrasons, Statistiques comme sujet, Sujet âgé, Sujet âgé de 80 ans ou plus, Traitement du signal assisté par ordinateur, Élasticité.
- MESH :
- anatomopathologie : Mandibule, Mâchoire édentée, Résorption osseuse.
- physiologie : Densité osseuse.
- physiopathologie : Mandibule, Mâchoire édentée, Résorption osseuse.
- Adulte d'âge moyen, Analyse de variance, Cadavre, Contrainte mécanique, Femelle, Humains, Loi de Poisson, Mâle, Phénomènes biomécaniques, Science des ultrasons, Statistiques comme sujet, Sujet âgé, Sujet âgé de 80 ans ou plus, Traitement du signal assisté par ordinateur, Élasticité.
English descriptors
- KwdEn :
- Aged, Aged, 80 and over, Analysis of Variance, Biomechanical Phenomena, Bone Density (physiology), Bone Resorption (pathology), Bone Resorption (physiopathology), Cadaver, Elasticity, Female, Humans, Jaw, Edentulous (pathology), Jaw, Edentulous (physiopathology), Male, Mandible (pathology), Mandible (physiopathology), Middle Aged, Poisson Distribution, Signal Processing, Computer-Assisted, Statistics as Topic, Stress, Mechanical, Ultrasonics.
- MESH :
- pathology : Bone Resorption, Jaw, Edentulous, Mandible.
- physiology : Bone Density.
- physiopathology : Bone Resorption, Jaw, Edentulous, Mandible.
- Aged, Aged, 80 and over, Analysis of Variance, Biomechanical Phenomena, Cadaver, Elasticity, Female, Humans, Male, Middle Aged, Poisson Distribution, Signal Processing, Computer-Assisted, Statistics as Topic, Stress, Mechanical, Ultrasonics.
Abstract
Ridge resorption following edentulation has been documented clinically, but the effects of tooth loss on the material properties of mandibular cortical bone have received little study. Material properties and their structural basis are essential for our understanding of bone quality in the edentulous mandible and are of interest as a tissue-level model for functional adaptation. This study's aim was to determine material property variability in the edentulous mandible, and to compare it with data from a previous study of dentate mandibles. Forty-four cortical samples were removed from each of 10 adult fresh edentulous mandibles. Cortical thickness and density were measured. Material properties were calculated from ultrasonic velocities. Mandibular cortical bone in the edentulous mandibles differed from that of dentate mandibles in cortical thickness, elastic and shear moduli, anisotropy, and orientation of the axis of maximum stiffness. These results suggest that cortical microstructural changes accompany ridge resorption following edentulation.
DOI: 10.1177/154405910208100907
PubMed: 12202642
Affiliations:
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type="wicri:Area/Main/Exploration">008255</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Edentulation alters material properties of cortical bone in the human mandible.</title><author><name sortKey="Schwartz Dabney, C L" sort="Schwartz Dabney, C L" uniqKey="Schwartz Dabney C" first="C L" last="Schwartz-Dabney">C L Schwartz-Dabney</name><affiliation wicri:level="3"><nlm:affiliation>Division of Oral and Maxillofacial Surgery, University of Texas Southwestern, Dallas, USA.</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>Division of Oral and Maxillofacial Surgery, University of Texas Southwestern, Dallas</wicri:regionArea><placeName><settlement type="city">Dallas</settlement><region type="state">Texas</region></placeName></affiliation></author><author><name sortKey="Dechow, P C" sort="Dechow, P C" uniqKey="Dechow P" first="P C" last="Dechow">P C Dechow</name></author></analytic><series><title level="j">Journal of dental 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moyen</term><term>Analyse de variance</term><term>Cadavre</term><term>Contrainte mécanique</term><term>Densité osseuse (physiologie)</term><term>Femelle</term><term>Humains</term><term>Loi de Poisson</term><term>Mandibule (anatomopathologie)</term><term>Mandibule (physiopathologie)</term><term>Mâchoire édentée (anatomopathologie)</term><term>Mâchoire édentée (physiopathologie)</term><term>Mâle</term><term>Phénomènes biomécaniques</term><term>Résorption osseuse (anatomopathologie)</term><term>Résorption osseuse (physiopathologie)</term><term>Science des ultrasons</term><term>Statistiques comme sujet</term><term>Sujet âgé</term><term>Sujet âgé de 80 ans ou plus</term><term>Traitement du signal assisté par ordinateur</term><term>Élasticité</term></keywords><keywords scheme="MESH" qualifier="anatomopathologie" xml:lang="fr"><term>Mandibule</term><term>Mâchoire édentée</term><term>Résorption osseuse</term></keywords><keywords scheme="MESH" qualifier="pathology" xml:lang="en"><term>Bone Resorption</term><term>Jaw, Edentulous</term><term>Mandible</term></keywords><keywords scheme="MESH" qualifier="physiologie" xml:lang="fr"><term>Densité osseuse</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Bone Density</term></keywords><keywords scheme="MESH" qualifier="physiopathologie" xml:lang="fr"><term>Mandibule</term><term>Mâchoire édentée</term><term>Résorption osseuse</term></keywords><keywords scheme="MESH" qualifier="physiopathology" xml:lang="en"><term>Bone Resorption</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>Analysis of Variance</term><term>Biomechanical Phenomena</term><term>Cadaver</term><term>Elasticity</term><term>Female</term><term>Humans</term><term>Male</term><term>Middle Aged</term><term>Poisson Distribution</term><term>Signal Processing, Computer-Assisted</term><term>Statistics as Topic</term><term>Stress, Mechanical</term><term>Ultrasonics</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Adulte d'âge moyen</term><term>Analyse de variance</term><term>Cadavre</term><term>Contrainte mécanique</term><term>Femelle</term><term>Humains</term><term>Loi de Poisson</term><term>Mâle</term><term>Phénomènes biomécaniques</term><term>Science des ultrasons</term><term>Statistiques comme sujet</term><term>Sujet âgé</term><term>Sujet âgé de 80 ans ou plus</term><term>Traitement du signal assisté par ordinateur</term><term>Élasticité</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Ridge resorption following edentulation has been documented clinically, but the effects of tooth loss on the material properties of mandibular cortical bone have received little study. Material properties and their structural basis are essential for our understanding of bone quality in the edentulous mandible and are of interest as a tissue-level model for functional adaptation. This study's aim was to determine material property variability in the edentulous mandible, and to compare it with data from a previous study of dentate mandibles. Forty-four cortical samples were removed from each of 10 adult fresh edentulous mandibles. Cortical thickness and density were measured. Material properties were calculated from ultrasonic velocities. Mandibular cortical bone in the edentulous mandibles differed from that of dentate mandibles in cortical thickness, elastic and shear moduli, anisotropy, and orientation of the axis of maximum stiffness. These results suggest that cortical microstructural changes accompany ridge resorption following edentulation.</div></front></TEI><affiliations><list><country><li>États-Unis</li></country><region><li>Texas</li></region><settlement><li>Dallas</li></settlement></list><tree><noCountry><name sortKey="Dechow, P C" sort="Dechow, P C" uniqKey="Dechow P" first="P C" last="Dechow">P C Dechow</name></noCountry><country name="États-Unis"><region name="Texas"><name sortKey="Schwartz Dabney, C L" sort="Schwartz Dabney, C L" uniqKey="Schwartz Dabney C" first="C L" last="Schwartz-Dabney">C L Schwartz-Dabney</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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