Finite element method simulation of bone resorption beneath a complete denture.
Identifieur interne : 00BB84 ( Main/Exploration ); précédent : 00BB83; suivant : 00BB85Finite element method simulation of bone resorption beneath a complete denture.
Auteurs : Y. Maeda [Canada] ; W W WoodSource :
- Journal of dental research [ 0022-0345 ] ; 1989.
Descripteurs français
- KwdFr :
- Analyse du stress dentaire (), Bouche édentée (physiopathologie), Humains, Maxillaire (physiopathologie), Modèles biologiques, Pression, Processus alvéolaire (physiopathologie), Prothèse dentaire complète (effets indésirables), Rebasage d'appareil de prothèse dentaire (effets indésirables), Résorption osseuse (étiologie), Simulation numérique.
- MESH :
- effets indésirables : Prothèse dentaire complète, Rebasage d'appareil de prothèse dentaire.
- physiopathologie : Bouche édentée, Maxillaire, Processus alvéolaire.
- étiologie : Résorption osseuse.
- Analyse du stress dentaire, Humains, Modèles biologiques, Pression, Simulation numérique.
English descriptors
- KwdEn :
- MESH :
- adverse effects : Denture Rebasing, Denture, Complete.
- etiology : Bone Resorption.
- methods : Dental Stress Analysis.
- physiopathology : Alveolar Process, Maxilla, Mouth, Edentulous.
- Computer Simulation, Humans, Models, Biological, Pressure.
Abstract
Bone resorption beneath a maxillary complete denture was simulated by the finite element method, assuming that a threshold of compressive strain exists in the alveolar bone above which the resorption occurred. The pattern of predicted resorption was observed when 100 N of force was applied to three positions occlusally, and 20 N was applied facially. Moreover, we observed the effect of rebasing the denture after initial resorption. The results indicate that resorption was initiated on the facial and occlusal surfaces of the alveolar ridge and proceeded palatally. The resorption was greater as the occlusal load point moved facially and when the force was applied in the facial direction. When the load point was toward the facial, rebasing the denture accentuated the resorption, but when the load point was toward the palatal, the resorption was almost the same regardless of rebase. The pattern of simulated bone resorption was similar to that reported from clinical observations, which suggests that the resorption may be associated with compressive strains developed in the alveolar bone. The results argue for the importance of occlusal adjustment of dentures to move the occlusal load point palatally and produce balanced occlusion in protrusion and lateral excursions, especially after a rebase procedure.
DOI: 10.1177/00220345890680091601
PubMed: 2778180
Affiliations:
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Maeda</name><affiliation wicri:level="1"><nlm:affiliation>Department of Clinical Dental Sciences, Faculty of Dentistry, University of British Columbia, Vancouver, Canada.</nlm:affiliation><country xml:lang="fr">Canada</country><wicri:regionArea>Department of Clinical Dental Sciences, Faculty of Dentistry, University of British Columbia, Vancouver</wicri:regionArea><wicri:noRegion>Vancouver</wicri:noRegion></affiliation></author><author><name sortKey="Wood, W W" sort="Wood, W W" uniqKey="Wood W" first="W W" last="Wood">W W Wood</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="1989">1989</date><idno type="RBID">pubmed:2778180</idno><idno type="pmid">2778180</idno><idno type="doi">10.1177/00220345890680091601</idno><idno type="wicri:Area/PubMed/Corpus">004C62</idno><idno type="wicri:explorRef" wicri:stream="PubMed" wicri:step="Corpus" wicri:corpus="PubMed">004C62</idno><idno type="wicri:Area/PubMed/Curation">004C62</idno><idno type="wicri:explorRef" wicri:stream="PubMed" wicri:step="Curation">004C62</idno><idno type="wicri:Area/PubMed/Checkpoint">004C62</idno><idno type="wicri:explorRef" wicri:stream="Checkpoint" wicri:step="PubMed">004C62</idno><idno type="wicri:Area/Ncbi/Merge">006B68</idno><idno type="wicri:Area/Ncbi/Curation">006B68</idno><idno type="wicri:Area/Ncbi/Checkpoint">006B68</idno><idno type="wicri:doubleKey">0022-0345:1989:Maeda Y:finite:element:method</idno><idno type="wicri:Area/Main/Merge">00C330</idno><idno type="wicri:Area/Main/Curation">00BB84</idno><idno type="wicri:Area/Main/Exploration">00BB84</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Finite element method simulation of bone resorption beneath a complete denture.</title><author><name sortKey="Maeda, Y" sort="Maeda, Y" uniqKey="Maeda Y" first="Y" last="Maeda">Y. Maeda</name><affiliation wicri:level="1"><nlm:affiliation>Department of Clinical Dental Sciences, Faculty of Dentistry, University of British Columbia, Vancouver, Canada.</nlm:affiliation><country xml:lang="fr">Canada</country><wicri:regionArea>Department of Clinical Dental Sciences, Faculty of Dentistry, University of British Columbia, Vancouver</wicri:regionArea><wicri:noRegion>Vancouver</wicri:noRegion></affiliation></author><author><name sortKey="Wood, W W" sort="Wood, W W" uniqKey="Wood W" first="W W" last="Wood">W W Wood</name></author></analytic><series><title level="j">Journal of dental research</title><idno type="ISSN">0022-0345</idno><imprint><date when="1989" type="published">1989</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Alveolar Process (physiopathology)</term><term>Bone Resorption (etiology)</term><term>Computer Simulation</term><term>Dental Stress Analysis (methods)</term><term>Denture Rebasing (adverse effects)</term><term>Denture, Complete (adverse effects)</term><term>Humans</term><term>Maxilla (physiopathology)</term><term>Models, Biological</term><term>Mouth, Edentulous (physiopathology)</term><term>Pressure</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Analyse du stress dentaire ()</term><term>Bouche édentée (physiopathologie)</term><term>Humains</term><term>Maxillaire (physiopathologie)</term><term>Modèles biologiques</term><term>Pression</term><term>Processus alvéolaire (physiopathologie)</term><term>Prothèse dentaire complète (effets indésirables)</term><term>Rebasage d'appareil de prothèse dentaire (effets indésirables)</term><term>Résorption osseuse (étiologie)</term><term>Simulation numérique</term></keywords><keywords scheme="MESH" qualifier="adverse effects" xml:lang="en"><term>Denture Rebasing</term><term>Denture, Complete</term></keywords><keywords scheme="MESH" qualifier="effets indésirables" xml:lang="fr"><term>Prothèse dentaire complète</term><term>Rebasage d'appareil de prothèse dentaire</term></keywords><keywords scheme="MESH" qualifier="etiology" xml:lang="en"><term>Bone Resorption</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>Bouche édentée</term><term>Maxillaire</term><term>Processus alvéolaire</term></keywords><keywords scheme="MESH" qualifier="physiopathology" xml:lang="en"><term>Alveolar Process</term><term>Maxilla</term><term>Mouth, Edentulous</term></keywords><keywords scheme="MESH" qualifier="étiologie" xml:lang="fr"><term>Résorption osseuse</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Computer Simulation</term><term>Humans</term><term>Models, Biological</term><term>Pressure</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Analyse du stress dentaire</term><term>Humains</term><term>Modèles biologiques</term><term>Pression</term><term>Simulation numérique</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Bone resorption beneath a maxillary complete denture was simulated by the finite element method, assuming that a threshold of compressive strain exists in the alveolar bone above which the resorption occurred. The pattern of predicted resorption was observed when 100 N of force was applied to three positions occlusally, and 20 N was applied facially. Moreover, we observed the effect of rebasing the denture after initial resorption. The results indicate that resorption was initiated on the facial and occlusal surfaces of the alveolar ridge and proceeded palatally. The resorption was greater as the occlusal load point moved facially and when the force was applied in the facial direction. When the load point was toward the facial, rebasing the denture accentuated the resorption, but when the load point was toward the palatal, the resorption was almost the same regardless of rebase. The pattern of simulated bone resorption was similar to that reported from clinical observations, which suggests that the resorption may be associated with compressive strains developed in the alveolar bone. The results argue for the importance of occlusal adjustment of dentures to move the occlusal load point palatally and produce balanced occlusion in protrusion and lateral excursions, especially after a rebase procedure.</div></front></TEI><affiliations><list><country><li>Canada</li></country></list><tree><noCountry><name sortKey="Wood, W W" sort="Wood, W W" uniqKey="Wood W" first="W W" last="Wood">W W Wood</name></noCountry><country name="Canada"><noRegion><name sortKey="Maeda, Y" sort="Maeda, Y" uniqKey="Maeda Y" first="Y" last="Maeda">Y. Maeda</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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