Area moments of inertia as a measure of the mandible stiffness of the implant patient
Identifieur interne : 007A98 ( Main/Exploration ); précédent : 007A97; suivant : 007A99Area moments of inertia as a measure of the mandible stiffness of the implant patient
Auteurs : Stig Hansson [Suède] ; Annika Ekestubbe [Suède]Source :
- Clinical Oral Implants Research [ 0905-7161 ] ; 2004-08.
Descripteurs français
- KwdFr :
- MESH :
- physiologie : Mandibule.
- physiopathologie : Mâchoire édentée.
- Wicri :
English descriptors
- KwdEn :
- American journal, Angulation, Area moment, Area moments, Basal bone, Biomechanics, Bite Force, Bone loss, Bone quality, Bone stresses, Bridge beam, Cancellous, Cancellous bone, Cancellous portions, Centroid, Clin, Clinical cases, Clinical practice, Clinical research, Cortical, Cortical bone, Cortical crosssection, Cortical part, Crosssection, Dental Implantation, Endosseous, Dental Implants, Dental Stress Analysis, Dental implants, Different mandible, Different positions, Distal extension, Distal implant, Ekestubbe, Elasticity, Finite Element Analysis, Global properties, Hansson, Hansson ekestubbe area moments, Horizontal axis, Humans, Impl, Implant, Implant patient, Implant pillar, Inertia, International journal, Jaw, Edentulous (physiopathology), Korioth hannam, Lekholm, Lekholm zarb, Mandible, Mandible (physiology), Mandible corpus, Mandible stiffness, Mandibular, Mandibular corpus, Mathematical software, Meijer, Modelled, Modulus, Nemark implants, Nite, Nite element analysis, Oral impl, Oral maxillofacial implants, Peak bone stresses, Physical anthropology, Pliability, Potential implant patients, Principal area moment, Principal area moments, Principal axes, Quantitative characterization, Software, Spring elements, Standardized load, Stiffness, Zarb.
- MESH :
- chemical : Dental Implants.
- physiology : Mandible.
- physiopathology : Jaw, Edentulous.
- Teeft :
- American journal, Angulation, Area moment, Area moments, Basal bone, Biomechanics, Bite Force, Bone loss, Bone quality, Bone stresses, Bridge beam, Cancellous, Cancellous bone, Cancellous portions, Centroid, Clin, Clinical cases, Clinical practice, Clinical research, Cortical, Cortical bone, Cortical crosssection, Cortical part, Crosssection, Dental Implantation, Endosseous, Dental Stress Analysis, Dental implants, Different mandible, Different positions, Distal extension, Distal implant, Ekestubbe, Elasticity, Finite Element Analysis, Global properties, Hansson, Hansson ekestubbe area moments, Horizontal axis, Humans, Impl, Implant, Implant patient, Implant pillar, Inertia, International journal, Korioth hannam, Lekholm, Lekholm zarb, Mandible, Mandible corpus, Mandible stiffness, Mandibular, Mandibular corpus, Mathematical software, Meijer, Modelled, Modulus, Nemark implants, Nite, Nite element analysis, Oral impl, Oral maxillofacial implants, Peak bone stresses, Physical anthropology, Pliability, Potential implant patients, Principal area moment, Principal area moments, Principal axes, Quantitative characterization, Software, Spring elements, Standardized load, Stiffness, Zarb.
Abstract
Abstract: It was hypothesized that the bending stiffness of the mandible is an important biomechanical parameter in implant dentistry. It was shown how this bending stiffness can be estimated by means of the principal area moments of inertia of the cortical and cancellous cross‐sections as obtained by computed tomography, some image processing and subsequent calculation. It was found that the contribution of the cancellous bone to the bending stiffness is normally insignificant and that the principal area moments of inertia of the cortical cross‐section show large variations, depending on the degree of resorption. It was furthermore found that the variations in the principal area moments of inertia of the cortical cross‐section in one and the same potential implant patient were minor. Finally, in a three‐dimensional finite element study, it was found that the peak bone stresses adjacent to implants, resulting from a standardized load at the distal end of an implant‐supported bridge, were inversely related to the magnitude of the principal area moment of inertia about the horizontal axis of the cortical cross‐section. It was concluded that the principal area moments of inertia of the cortical cross‐section and the angulation of the principal axes of inertia might be useful as a quantitative characterization of the mandible stiffness in clinical research and perhaps also in clinical practice.
Url:
DOI: 10.1111/j.1600-0501.2004.01021.x
Affiliations:
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Sahlgrenska Academy at Göteborg University, Göteborg</wicri:regionArea><wicri:noRegion>Göteborg</wicri:noRegion></affiliation></author></analytic><monogr></monogr><series><title level="j" type="main">Clinical Oral Implants Research</title><title level="j" type="alt">CLINICAL ORAL IMPLANTS RESEARCH</title><idno type="ISSN">0905-7161</idno><idno type="eISSN">1600-0501</idno><imprint><biblScope unit="vol">15</biblScope><biblScope unit="issue">4</biblScope><biblScope unit="page" from="450">450</biblScope><biblScope unit="page" to="458">458</biblScope><biblScope unit="page-count">9</biblScope><publisher>Munksgaard International Publishers</publisher><pubPlace>Oxford, UK</pubPlace><date type="published" when="2004-08">2004-08</date></imprint><idno type="ISSN">0905-7161</idno></series></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0905-7161</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>American journal</term><term>Angulation</term><term>Area moment</term><term>Area moments</term><term>Basal bone</term><term>Biomechanics</term><term>Bite Force</term><term>Bone loss</term><term>Bone quality</term><term>Bone stresses</term><term>Bridge beam</term><term>Cancellous</term><term>Cancellous bone</term><term>Cancellous portions</term><term>Centroid</term><term>Clin</term><term>Clinical cases</term><term>Clinical practice</term><term>Clinical research</term><term>Cortical</term><term>Cortical bone</term><term>Cortical crosssection</term><term>Cortical part</term><term>Crosssection</term><term>Dental Implantation, Endosseous</term><term>Dental Implants</term><term>Dental Stress Analysis</term><term>Dental implants</term><term>Different mandible</term><term>Different positions</term><term>Distal extension</term><term>Distal implant</term><term>Ekestubbe</term><term>Elasticity</term><term>Finite Element Analysis</term><term>Global properties</term><term>Hansson</term><term>Hansson ekestubbe area moments</term><term>Horizontal axis</term><term>Humans</term><term>Impl</term><term>Implant</term><term>Implant patient</term><term>Implant pillar</term><term>Inertia</term><term>International journal</term><term>Jaw, Edentulous (physiopathology)</term><term>Korioth hannam</term><term>Lekholm</term><term>Lekholm zarb</term><term>Mandible</term><term>Mandible (physiology)</term><term>Mandible corpus</term><term>Mandible stiffness</term><term>Mandibular</term><term>Mandibular corpus</term><term>Mathematical software</term><term>Meijer</term><term>Modelled</term><term>Modulus</term><term>Nemark implants</term><term>Nite</term><term>Nite element analysis</term><term>Oral impl</term><term>Oral maxillofacial implants</term><term>Peak bone stresses</term><term>Physical anthropology</term><term>Pliability</term><term>Potential implant patients</term><term>Principal area moment</term><term>Principal area moments</term><term>Principal axes</term><term>Quantitative characterization</term><term>Software</term><term>Spring elements</term><term>Standardized load</term><term>Stiffness</term><term>Zarb</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Analyse des éléments finis</term><term>Analyse du stress dentaire</term><term>Flexibilité</term><term>Force occlusale</term><term>Humains</term><term>Implants dentaires</term><term>Mandibule (physiologie)</term><term>Mâchoire édentée (physiopathologie)</term><term>Pose d'implant dentaire endo-osseux</term><term>Élasticité</term></keywords><keywords scheme="MESH" type="chemical" xml:lang="en"><term>Dental Implants</term></keywords><keywords scheme="MESH" qualifier="physiologie" xml:lang="fr"><term>Mandibule</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Mandible</term></keywords><keywords scheme="MESH" qualifier="physiopathologie" xml:lang="fr"><term>Mâchoire édentée</term></keywords><keywords scheme="MESH" qualifier="physiopathology" xml:lang="en"><term>Jaw, Edentulous</term></keywords><keywords scheme="Teeft" xml:lang="en"><term>American journal</term><term>Angulation</term><term>Area moment</term><term>Area moments</term><term>Basal bone</term><term>Biomechanics</term><term>Bite Force</term><term>Bone loss</term><term>Bone quality</term><term>Bone stresses</term><term>Bridge beam</term><term>Cancellous</term><term>Cancellous bone</term><term>Cancellous portions</term><term>Centroid</term><term>Clin</term><term>Clinical cases</term><term>Clinical practice</term><term>Clinical research</term><term>Cortical</term><term>Cortical bone</term><term>Cortical crosssection</term><term>Cortical part</term><term>Crosssection</term><term>Dental Implantation, Endosseous</term><term>Dental Stress Analysis</term><term>Dental implants</term><term>Different mandible</term><term>Different positions</term><term>Distal extension</term><term>Distal implant</term><term>Ekestubbe</term><term>Elasticity</term><term>Finite Element Analysis</term><term>Global properties</term><term>Hansson</term><term>Hansson ekestubbe area moments</term><term>Horizontal axis</term><term>Humans</term><term>Impl</term><term>Implant</term><term>Implant patient</term><term>Implant pillar</term><term>Inertia</term><term>International journal</term><term>Korioth hannam</term><term>Lekholm</term><term>Lekholm zarb</term><term>Mandible</term><term>Mandible corpus</term><term>Mandible stiffness</term><term>Mandibular</term><term>Mandibular corpus</term><term>Mathematical software</term><term>Meijer</term><term>Modelled</term><term>Modulus</term><term>Nemark implants</term><term>Nite</term><term>Nite element analysis</term><term>Oral impl</term><term>Oral maxillofacial implants</term><term>Peak bone stresses</term><term>Physical anthropology</term><term>Pliability</term><term>Potential implant patients</term><term>Principal area moment</term><term>Principal area moments</term><term>Principal axes</term><term>Quantitative characterization</term><term>Software</term><term>Spring elements</term><term>Standardized load</term><term>Stiffness</term><term>Zarb</term></keywords><keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Analyse des éléments finis</term><term>Analyse du stress dentaire</term><term>Flexibilité</term><term>Force occlusale</term><term>Humains</term><term>Implants dentaires</term><term>Logiciel</term><term>Pose d'implant dentaire endo-osseux</term><term>Élasticité</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract">Abstract: It was hypothesized that the bending stiffness of the mandible is an important biomechanical parameter in implant dentistry. It was shown how this bending stiffness can be estimated by means of the principal area moments of inertia of the cortical and cancellous cross‐sections as obtained by computed tomography, some image processing and subsequent calculation. It was found that the contribution of the cancellous bone to the bending stiffness is normally insignificant and that the principal area moments of inertia of the cortical cross‐section show large variations, depending on the degree of resorption. It was furthermore found that the variations in the principal area moments of inertia of the cortical cross‐section in one and the same potential implant patient were minor. Finally, in a three‐dimensional finite element study, it was found that the peak bone stresses adjacent to implants, resulting from a standardized load at the distal end of an implant‐supported bridge, were inversely related to the magnitude of the principal area moment of inertia about the horizontal axis of the cortical cross‐section. It was concluded that the principal area moments of inertia of the cortical cross‐section and the angulation of the principal axes of inertia might be useful as a quantitative characterization of the mandible stiffness in clinical research and perhaps also in clinical practice.</div></front></TEI><affiliations><list><country><li>Suède</li></country></list><tree><country name="Suède"><noRegion><name sortKey="Hansson, Stig" sort="Hansson, Stig" uniqKey="Hansson S" first="Stig" last="Hansson">Stig Hansson</name></noRegion><name sortKey="Ekestubbe, Annika" sort="Ekestubbe, Annika" uniqKey="Ekestubbe A" first="Annika" last="Ekestubbe">Annika Ekestubbe</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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