Biomechanics of the mandible Part I: Measurement of mandibular functional deformation using custom-fabricated displacement transducers
Identifieur interne : 007076 ( Main/Exploration ); précédent : 007075; suivant : 007077Biomechanics of the mandible Part I: Measurement of mandibular functional deformation using custom-fabricated displacement transducers
Auteurs : Jehad Al-Sukhun [Finlande] ; Miia Helenius [Finlande] ; Christian Lindqvist [Finlande] ; John Kelleway [Royaume-Uni]Source :
- Journal of oral and maxillofacial surgery [ 0278-2391 ] ; 2006.
Descripteurs français
- KwdFr :
- Adulte d'âge moyen, Analyse du stress dentaire (), Analyse du stress dentaire (instrumentation), Contrainte mécanique, Céphalométrie, Enregistrement des rapports intermaxillaires, Femelle, Force occlusale, Humains, Implants dentaires, Mandibule (physiopathologie), Mouvement, Mâchoire édentée (physiopathologie), Méthode des moindres carrés, Phénomènes biomécaniques, Rotation, Résistance au cisaillement, Sujet âgé, Transducteurs.
- MESH :
- physiopathologie : Mandibule, Mâchoire édentée.
- Pascal (Inist)
- Adulte d'âge moyen, Analyse du stress dentaire, Chirurgie, Biomécanique, Contrainte mécanique, Céphalométrie, Enregistrement des rapports intermaxillaires, Femelle, Force occlusale, Humains, Implants dentaires, Mandibule, Mesure déformation, Déplacement déformation, Mouvement, Méthode des moindres carrés, Phénomènes biomécaniques, Rotation, Résistance au cisaillement, Sujet âgé, Transducteur, Stomatologie, Traitement, Transducteurs.
- Wicri :
- topic : Chirurgie.
English descriptors
- KwdEn :
- Aged, Biomechanical Phenomena, Biomechanics, Bite Force, Cephalometry, Deformation measurement, Dental Implants, Dental Stress Analysis (instrumentation), Dental Stress Analysis (methods), Displacement(deformation), Female, Humans, Jaw Relation Record, Jaw, Edentulous (physiopathology), Least-Squares Analysis, Mandible, Mandible (physiopathology), Middle Aged, Movement, Rotation, Shear Strength, Stomatology, Stress, Mechanical, Surgery, Transducer, Transducers, Treatment.
- MESH :
- chemical : Dental Implants.
- instrumentation : Dental Stress Analysis.
- methods : Dental Stress Analysis.
- physiopathology : Jaw, Edentulous, Mandible.
- Aged, Biomechanical Phenomena, Bite Force, Cephalometry, Female, Humans, Jaw Relation Record, Least-Squares Analysis, Middle Aged, Movement, Rotation, Shear Strength, Stress, Mechanical, Transducers.
Abstract
Purpose: The purpose of this study was to measure corporal approximation, dorsoventral shear, and corporal rotation in edentulous subjects treated with dental implants, during normal mandibular movements. Materials and Methods: Three patterns of jaw deformation (corporal approximation [CA], corporal rotation [CR], and dorsoventral [DV] shear) were measured using custom-fabricated displacement transducers in 12 edentulous subjects who had been treated with dental implants. Measurements were made in real time using a multichannel analogue/digital converter and a personal computer for data storage and analysis. Corporal approximation was measured as the linear change in the orientation of the 2 implants in the horizontal plane. Corporal rotation was recorded as a relative rotation of the right and left mandibular bodies projected into the frontal plane, and dorsoventral shear as the relative rotation of the 2 implants projected onto the median sagittal plane. Results: All 3 patterns of mandibular deformation occurred concurrently and immediately on commencement of jaw movement. Different jaw movements produced different patterns of mandibular deformation. The highest values of jaw deformation were recorded during protrusion. CA ranged between 11.0 μm and 57.8 μm. Corporal rotation and DV shear ranged between 0.4° and 2.8°. Conclusion: This clinical study shows and measures 3 different and concurrent patterns of jaw deformation, during normal mandibular movements, using custom fabricated displacement transducers. The transducers may have a potential for routine clinical applications.
Affiliations:
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last="Al-Sukhun">Jehad Al-Sukhun</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Department of Oral and Maxillofacial Surgery, Helsinki University Hospital</s1><s2>Helsinki</s2><s3>FIN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country>Finlande</country><wicri:noRegion>Helsinki</wicri:noRegion></affiliation></author><author><name sortKey="Helenius, Miia" sort="Helenius, Miia" uniqKey="Helenius M" first="Miia" last="Helenius">Miia Helenius</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Department of Oral and Maxillofacial Surgery, Helsinki University Hospital</s1><s2>Helsinki</s2><s3>FIN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country>Finlande</country><wicri:noRegion>Helsinki</wicri:noRegion></affiliation></author><author><name sortKey="Lindqvist, Christian" sort="Lindqvist, Christian" uniqKey="Lindqvist C" first="Christian" last="Lindqvist">Christian Lindqvist</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Department of Oral and Maxillofacial Surgery, Helsinki University Hospital</s1><s2>Helsinki</s2><s3>FIN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country>Finlande</country><wicri:noRegion>Helsinki</wicri:noRegion></affiliation></author><author><name sortKey="Kelleway, John" sort="Kelleway, John" uniqKey="Kelleway J" first="John" last="Kelleway">John Kelleway</name><affiliation wicri:level="3"><inist:fA14 i1="02"><s1>Eastman Dental Institute for Oral Health Care and Sciences</s1><s2>London</s2><s3>GBR</s3><sZ>4 aut.</sZ></inist:fA14><country>Royaume-Uni</country><placeName><settlement type="city">Londres</settlement><region type="country">Angleterre</region><region type="région" nuts="1">Grand Londres</region></placeName></affiliation></author></analytic><series><title level="j" type="main">Journal of oral and maxillofacial surgery</title><title level="j" type="abbreviated">J. oral maxillofac. surg.</title><idno type="ISSN">0278-2391</idno><imprint><date when="2006">2006</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Journal of oral and maxillofacial surgery</title><title level="j" type="abbreviated">J. oral maxillofac. surg.</title><idno type="ISSN">0278-2391</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Aged</term><term>Biomechanical Phenomena</term><term>Biomechanics</term><term>Bite Force</term><term>Cephalometry</term><term>Deformation measurement</term><term>Dental Implants</term><term>Dental Stress Analysis (instrumentation)</term><term>Dental Stress Analysis (methods)</term><term>Displacement(deformation)</term><term>Female</term><term>Humans</term><term>Jaw Relation Record</term><term>Jaw, Edentulous (physiopathology)</term><term>Least-Squares Analysis</term><term>Mandible</term><term>Mandible (physiopathology)</term><term>Middle Aged</term><term>Movement</term><term>Rotation</term><term>Shear Strength</term><term>Stomatology</term><term>Stress, Mechanical</term><term>Surgery</term><term>Transducer</term><term>Transducers</term><term>Treatment</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Adulte d'âge moyen</term><term>Analyse du stress dentaire ()</term><term>Analyse du stress dentaire (instrumentation)</term><term>Contrainte mécanique</term><term>Céphalométrie</term><term>Enregistrement des rapports intermaxillaires</term><term>Femelle</term><term>Force occlusale</term><term>Humains</term><term>Implants dentaires</term><term>Mandibule (physiopathologie)</term><term>Mouvement</term><term>Mâchoire édentée (physiopathologie)</term><term>Méthode des moindres carrés</term><term>Phénomènes biomécaniques</term><term>Rotation</term><term>Résistance au cisaillement</term><term>Sujet âgé</term><term>Transducteurs</term></keywords><keywords scheme="MESH" type="chemical" xml:lang="en"><term>Dental Implants</term></keywords><keywords scheme="MESH" qualifier="instrumentation" xml:lang="en"><term>Dental Stress Analysis</term></keywords><keywords scheme="MESH" qualifier="methods" xml:lang="en"><term>Dental Stress Analysis</term></keywords><keywords scheme="MESH" qualifier="physiopathologie" xml:lang="fr"><term>Mandibule</term><term>Mâchoire édentée</term></keywords><keywords scheme="MESH" qualifier="physiopathology" xml:lang="en"><term>Jaw, Edentulous</term><term>Mandible</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Aged</term><term>Biomechanical Phenomena</term><term>Bite Force</term><term>Cephalometry</term><term>Female</term><term>Humans</term><term>Jaw Relation Record</term><term>Least-Squares Analysis</term><term>Middle Aged</term><term>Movement</term><term>Rotation</term><term>Shear Strength</term><term>Stress, Mechanical</term><term>Transducers</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Adulte d'âge moyen</term><term>Analyse du stress dentaire</term><term>Chirurgie</term><term>Biomécanique</term><term>Contrainte mécanique</term><term>Céphalométrie</term><term>Enregistrement des rapports intermaxillaires</term><term>Femelle</term><term>Force occlusale</term><term>Humains</term><term>Implants dentaires</term><term>Mandibule</term><term>Mesure déformation</term><term>Déplacement déformation</term><term>Mouvement</term><term>Méthode des moindres carrés</term><term>Phénomènes biomécaniques</term><term>Rotation</term><term>Résistance au cisaillement</term><term>Sujet âgé</term><term>Transducteur</term><term>Stomatologie</term><term>Traitement</term><term>Transducteurs</term></keywords><keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Chirurgie</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Purpose: The purpose of this study was to measure corporal approximation, dorsoventral shear, and corporal rotation in edentulous subjects treated with dental implants, during normal mandibular movements. Materials and Methods: Three patterns of jaw deformation (corporal approximation [CA], corporal rotation [CR], and dorsoventral [DV] shear) were measured using custom-fabricated displacement transducers in 12 edentulous subjects who had been treated with dental implants. Measurements were made in real time using a multichannel analogue/digital converter and a personal computer for data storage and analysis. Corporal approximation was measured as the linear change in the orientation of the 2 implants in the horizontal plane. Corporal rotation was recorded as a relative rotation of the right and left mandibular bodies projected into the frontal plane, and dorsoventral shear as the relative rotation of the 2 implants projected onto the median sagittal plane. Results: All 3 patterns of mandibular deformation occurred concurrently and immediately on commencement of jaw movement. Different jaw movements produced different patterns of mandibular deformation. The highest values of jaw deformation were recorded during protrusion. CA ranged between 11.0 μm and 57.8 μm. Corporal rotation and DV shear ranged between 0.4° and 2.8°. Conclusion: This clinical study shows and measures 3 different and concurrent patterns of jaw deformation, during normal mandibular movements, using custom fabricated displacement transducers. The transducers may have a potential for routine clinical applications.</div></front></TEI><affiliations><list><country><li>Finlande</li><li>Royaume-Uni</li></country><region><li>Angleterre</li><li>Grand Londres</li></region><settlement><li>Londres</li></settlement></list><tree><country name="Finlande"><noRegion><name sortKey="Al Sukhun, Jehad" sort="Al Sukhun, Jehad" uniqKey="Al Sukhun J" first="Jehad" last="Al-Sukhun">Jehad Al-Sukhun</name></noRegion><name sortKey="Helenius, Miia" sort="Helenius, Miia" uniqKey="Helenius M" first="Miia" last="Helenius">Miia Helenius</name><name sortKey="Lindqvist, Christian" sort="Lindqvist, Christian" uniqKey="Lindqvist C" first="Christian" last="Lindqvist">Christian Lindqvist</name></country><country name="Royaume-Uni"><region name="Angleterre"><name sortKey="Kelleway, John" sort="Kelleway, John" uniqKey="Kelleway J" first="John" last="Kelleway">John Kelleway</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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