Occlusal force transmission by overdenture attachments.
Identifieur interne : 00DB08 ( Main/Exploration ); précédent : 00DB07; suivant : 00DB09Occlusal force transmission by overdenture attachments.
Auteurs : H H Thayer ; A A CaputoSource :
- The Journal of prosthetic dentistry [ 0022-3913 ] ; 1979.
Descripteurs français
- KwdFr :
- MESH :
English descriptors
- KwdEn :
- MESH :
Abstract
This investigation utilized a composite photoelastic model to examine the load-transfer characteristics of several overdenture attachments. Tissue bar (Hader and King Connector) and stud (extracoronal) attachments (Rotherman, Gerber, and Ancrofix) were studied. The following observations may provide guidelines for the selection of overdenture attachments. 1. The more retentive tissue bar and extracoronal attachments produced higher stress concentrations. 2. Of the tissue bars tested, the Hader Bar produced less torquing forces on the abutment teeth. 3. The Ancrofix appeared to share the forces of occlusion between abutments and the posterior edentulous regions. 4. It must be emphasized that several other factors will also influence the choice of overdenture attachments, such as the judgment of the dentist, economics with respect to the patient, and the availability of laboratory expertise.
PubMed: 368317
Affiliations:
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Le document en format XML
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<term>Dental Abutments</term>
<term>Dental Stress Analysis</term>
<term>Denture Design</term>
<term>Denture Precision Attachment</term>
<term>Denture Retention</term>
<term>Denture, Overlay</term>
<term>Humans</term>
<term>Models, Biological</term>
<term>Mouth, Edentulous (physiopathology)</term>
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<keywords scheme="KwdFr" xml:lang="fr"><term>Analyse du stress dentaire</term>
<term>Attachement de précision</term>
<term>Bouche édentée (physiopathologie)</term>
<term>Conception d'appareil de prothèse dentaire</term>
<term>Humains</term>
<term>Modèles biologiques</term>
<term>Overdenture</term>
<term>Piliers dentaires</term>
<term>Processus alvéolaire (physiopathologie)</term>
<term>Rétention d'appareil de prothèse dentaire</term>
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<keywords scheme="MESH" qualifier="physiopathologie" xml:lang="fr"><term>Bouche édentée</term>
<term>Processus alvéolaire</term>
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<keywords scheme="MESH" qualifier="physiopathology" xml:lang="en"><term>Alveolar Process</term>
<term>Mouth, Edentulous</term>
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<term>Dental Stress Analysis</term>
<term>Denture Design</term>
<term>Denture Precision Attachment</term>
<term>Denture Retention</term>
<term>Denture, Overlay</term>
<term>Humans</term>
<term>Models, Biological</term>
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<keywords scheme="MESH" xml:lang="fr"><term>Analyse du stress dentaire</term>
<term>Attachement de précision</term>
<term>Conception d'appareil de prothèse dentaire</term>
<term>Humains</term>
<term>Modèles biologiques</term>
<term>Overdenture</term>
<term>Piliers dentaires</term>
<term>Rétention d'appareil de prothèse dentaire</term>
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<front><div type="abstract" xml:lang="en">This investigation utilized a composite photoelastic model to examine the load-transfer characteristics of several overdenture attachments. Tissue bar (Hader and King Connector) and stud (extracoronal) attachments (Rotherman, Gerber, and Ancrofix) were studied. The following observations may provide guidelines for the selection of overdenture attachments. 1. The more retentive tissue bar and extracoronal attachments produced higher stress concentrations. 2. Of the tissue bars tested, the Hader Bar produced less torquing forces on the abutment teeth. 3. The Ancrofix appeared to share the forces of occlusion between abutments and the posterior edentulous regions. 4. It must be emphasized that several other factors will also influence the choice of overdenture attachments, such as the judgment of the dentist, economics with respect to the patient, and the availability of laboratory expertise.</div>
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