Effect of connector design on fracture resistance in all-ceramic fixed partial dentures for mandibular incisor region.
Identifieur interne : 001B26 ( Main/Exploration ); précédent : 001B25; suivant : 001B27Effect of connector design on fracture resistance in all-ceramic fixed partial dentures for mandibular incisor region.
Auteurs : Toshihiko Murase ; Syuntaro Nomoto ; Toru Sato ; Akimasa Shinya ; Teruyoshi Koshihara ; Hiromitsu YasudaSource :
- The Bulletin of Tokyo Dental College [ 0040-8891 ] ; 2014.
Descripteurs français
- KwdFr :
- Analyse du stress dentaire (instrumentation), Ciment ionomère au verre (), Cimentation (), Conception d'appareil de prothèse dentaire, Contrainte mécanique, Couronnes, Eau (), Facteurs temps, Force occlusale, Humains, Incisive, Mandibule (anatomopathologie), Matériaux dentaires (), Mâchoire partiellement édentée (rééducation et réadaptation), Piliers dentaires, Propriétés de surface, Prothèse partielle fixe, Température, Yttrium (), Zirconium (), Échec de restauration dentaire.
- MESH :
- anatomopathologie : Mandibule.
- rééducation et réadaptation : Mâchoire partiellement édentée.
- Analyse du stress dentaire, Ciment ionomère au verre, Cimentation, Conception d'appareil de prothèse dentaire, Contrainte mécanique, Couronnes, Eau, Facteurs temps, Force occlusale, Humains, Incisive, Matériaux dentaires, Piliers dentaires, Propriétés de surface, Prothèse partielle fixe, Température, Yttrium, Zirconium, Échec de restauration dentaire.
English descriptors
- KwdEn :
- Bite Force, Cementation (methods), Crowns, Dental Abutments, Dental Materials (chemistry), Dental Restoration Failure, Dental Stress Analysis (instrumentation), Denture Design, Denture, Partial, Fixed, Glass Ionomer Cements (chemistry), Humans, Incisor, Jaw, Edentulous, Partially (rehabilitation), Mandible (pathology), Stress, Mechanical, Surface Properties, Temperature, Time Factors, Water (chemistry), Yttrium (chemistry), Zirconium (chemistry).
- MESH :
- chemical , chemistry : Dental Materials, Glass Ionomer Cements, Water, Yttrium, Zirconium.
- instrumentation : Dental Stress Analysis.
- methods : Cementation.
- pathology : Mandible.
- rehabilitation : Jaw, Edentulous, Partially.
- Bite Force, Crowns, Dental Abutments, Dental Restoration Failure, Denture Design, Denture, Partial, Fixed, Humans, Incisor, Stress, Mechanical, Surface Properties, Temperature, Time Factors.
Abstract
Yttrium tetragonal zirconia polycrystal frameworks were prepared for all-ceramic fixed partial dentures (FPDs) for the mandibular incisor region. The effects of the cross-sectional area and morphology of the connector on its strength were evaluated by fracture tests. Nine types of zirconia framework for a 3-unit FPD for a defect of 1 mandibular central incisor were prepared, each differing in cross-sectional area and morphology. Fracture tests were performed by loading until fracture using a universal testing machine. Fracture load was determined and fracture site examined. Significant differences were observed in fracture load according to the morphology and cross-sectional area of the connector (p<0.05, p<0.01, p<0.001). Fracture load differed significantly among all groups according to cross-sectional area, and was also greater when the shape of the connector formed an isosceles triangle widest at the base and the connector had the same height and width. These values still far exceeded 311 N, however, which is the average occlusal force in the incisor region. The results of this study suggest that connector design affects fracture load.
PubMed: 25212560
Affiliations:
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Le document en format XML
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sort="Koshihara, Teruyoshi" uniqKey="Koshihara T" first="Teruyoshi" last="Koshihara">Teruyoshi Koshihara</name></author><author><name sortKey="Yasuda, Hiromitsu" sort="Yasuda, Hiromitsu" uniqKey="Yasuda H" first="Hiromitsu" last="Yasuda">Hiromitsu Yasuda</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2014">2014</date><idno type="RBID">pubmed:25212560</idno><idno type="pmid">25212560</idno><idno type="wicri:Area/PubMed/Corpus">000A02</idno><idno type="wicri:explorRef" wicri:stream="PubMed" wicri:step="Corpus" wicri:corpus="PubMed">000A02</idno><idno type="wicri:Area/PubMed/Curation">000A02</idno><idno type="wicri:explorRef" wicri:stream="PubMed" wicri:step="Curation">000A02</idno><idno type="wicri:Area/PubMed/Checkpoint">000A02</idno><idno type="wicri:explorRef" wicri:stream="Checkpoint" wicri:step="PubMed">000A02</idno><idno type="wicri:Area/Ncbi/Merge">005471</idno><idno type="wicri:Area/Ncbi/Curation">005471</idno><idno 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sortKey="Sato, Toru" sort="Sato, Toru" uniqKey="Sato T" first="Toru" last="Sato">Toru Sato</name></author><author><name sortKey="Shinya, Akimasa" sort="Shinya, Akimasa" uniqKey="Shinya A" first="Akimasa" last="Shinya">Akimasa Shinya</name></author><author><name sortKey="Koshihara, Teruyoshi" sort="Koshihara, Teruyoshi" uniqKey="Koshihara T" first="Teruyoshi" last="Koshihara">Teruyoshi Koshihara</name></author><author><name sortKey="Yasuda, Hiromitsu" sort="Yasuda, Hiromitsu" uniqKey="Yasuda H" first="Hiromitsu" last="Yasuda">Hiromitsu Yasuda</name></author></analytic><series><title level="j">The Bulletin of Tokyo Dental College</title><idno type="ISSN">0040-8891</idno><imprint><date when="2014" type="published">2014</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Bite Force</term><term>Cementation (methods)</term><term>Crowns</term><term>Dental Abutments</term><term>Dental Materials (chemistry)</term><term>Dental Restoration Failure</term><term>Dental Stress Analysis (instrumentation)</term><term>Denture Design</term><term>Denture, Partial, Fixed</term><term>Glass Ionomer Cements (chemistry)</term><term>Humans</term><term>Incisor</term><term>Jaw, Edentulous, Partially (rehabilitation)</term><term>Mandible (pathology)</term><term>Stress, Mechanical</term><term>Surface Properties</term><term>Temperature</term><term>Time Factors</term><term>Water (chemistry)</term><term>Yttrium (chemistry)</term><term>Zirconium (chemistry)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Analyse du stress dentaire (instrumentation)</term><term>Ciment ionomère au verre ()</term><term>Cimentation ()</term><term>Conception d'appareil de prothèse dentaire</term><term>Contrainte mécanique</term><term>Couronnes</term><term>Eau ()</term><term>Facteurs temps</term><term>Force occlusale</term><term>Humains</term><term>Incisive</term><term>Mandibule (anatomopathologie)</term><term>Matériaux dentaires ()</term><term>Mâchoire partiellement édentée (rééducation et réadaptation)</term><term>Piliers dentaires</term><term>Propriétés de surface</term><term>Prothèse partielle fixe</term><term>Température</term><term>Yttrium ()</term><term>Zirconium ()</term><term>Échec de restauration dentaire</term></keywords><keywords scheme="MESH" type="chemical" qualifier="chemistry" xml:lang="en"><term>Dental Materials</term><term>Glass Ionomer Cements</term><term>Water</term><term>Yttrium</term><term>Zirconium</term></keywords><keywords scheme="MESH" qualifier="anatomopathologie" xml:lang="fr"><term>Mandibule</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>Cementation</term></keywords><keywords scheme="MESH" qualifier="pathology" xml:lang="en"><term>Mandible</term></keywords><keywords scheme="MESH" 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dentaires</term><term>Propriétés de surface</term><term>Prothèse partielle fixe</term><term>Température</term><term>Yttrium</term><term>Zirconium</term><term>Échec de restauration dentaire</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Yttrium tetragonal zirconia polycrystal frameworks were prepared for all-ceramic fixed partial dentures (FPDs) for the mandibular incisor region. The effects of the cross-sectional area and morphology of the connector on its strength were evaluated by fracture tests. Nine types of zirconia framework for a 3-unit FPD for a defect of 1 mandibular central incisor were prepared, each differing in cross-sectional area and morphology. Fracture tests were performed by loading until fracture using a universal testing machine. Fracture load was determined and fracture site examined. Significant differences were observed in fracture load according to the morphology and cross-sectional area of the connector (p<0.05, p<0.01, p<0.001). Fracture load differed significantly among all groups according to cross-sectional area, and was also greater when the shape of the connector formed an isosceles triangle widest at the base and the connector had the same height and width. These values still far exceeded 311 N, however, which is the average occlusal force in the incisor region. The results of this study suggest that connector design affects fracture load.</div></front></TEI><affiliations><list></list><tree><noCountry><name sortKey="Koshihara, Teruyoshi" sort="Koshihara, Teruyoshi" uniqKey="Koshihara T" first="Teruyoshi" last="Koshihara">Teruyoshi Koshihara</name><name sortKey="Murase, Toshihiko" sort="Murase, Toshihiko" uniqKey="Murase T" first="Toshihiko" last="Murase">Toshihiko Murase</name><name sortKey="Nomoto, Syuntaro" sort="Nomoto, Syuntaro" uniqKey="Nomoto S" first="Syuntaro" last="Nomoto">Syuntaro Nomoto</name><name sortKey="Sato, Toru" sort="Sato, Toru" uniqKey="Sato T" first="Toru" last="Sato">Toru Sato</name><name sortKey="Shinya, Akimasa" sort="Shinya, Akimasa" uniqKey="Shinya A" first="Akimasa" last="Shinya">Akimasa Shinya</name><name sortKey="Yasuda, Hiromitsu" sort="Yasuda, Hiromitsu" uniqKey="Yasuda H" first="Hiromitsu" last="Yasuda">Hiromitsu Yasuda</name></noCountry></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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