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Comparative evaluation of the effect of palatal vault configuration on dimensional changes in complete denture during processing as well as after water immersion.

Identifieur interne : 011545 ( Main/Exploration ); précédent : 011544; suivant : 011546

Comparative evaluation of the effect of palatal vault configuration on dimensional changes in complete denture during processing as well as after water immersion.

Auteurs : Veena Hegde ; Narendra Patil

Source :

RBID : pubmed:15751783

Descripteurs français

English descriptors

Abstract

Polymerization shrinkage is one of the major drawbacks of the acrylic resin. The present study was conducted to evaluate the dimensional changes occurring in the dentures, constructed on the casts having different configurations of the palatal vault, during processing and the effect of water sorption on the processed dentures. Eight maxillary edentulous casts having U, F and V configurations of palatal vault were selected and complete dentures were fabricated. Dimensional changes occurring in the processed dentures were studied in different regions during processing as well as after water sorption. It was observed that dimensional changes in frontal and vertical planes were maximum in V shaped palatal vault dentures. Water sorption partly compensated for the dimensional changes that occurred during processing.

PubMed: 15751783


Affiliations:


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Le document en format XML

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<term>Absorption</term>
<term>Acrylic Resins (chemistry)</term>
<term>Adsorption</term>
<term>Calcium Sulfate (chemistry)</term>
<term>Dental Arch (pathology)</term>
<term>Dental Impression Technique (instrumentation)</term>
<term>Dental Materials (chemistry)</term>
<term>Dental Models</term>
<term>Denture Design</term>
<term>Denture, Complete, Upper</term>
<term>Humans</term>
<term>Immersion</term>
<term>Jaw, Edentulous (classification)</term>
<term>Jaw, Edentulous (pathology)</term>
<term>Palate (pathology)</term>
<term>Surface Properties</term>
<term>Water (chemistry)</term>
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<term>Absorption</term>
<term>Adsorption</term>
<term>Arcade dentaire (anatomopathologie)</term>
<term>Conception d'appareil de prothèse dentaire</term>
<term>Eau ()</term>
<term>Humains</term>
<term>Immersion</term>
<term>Matériaux dentaires ()</term>
<term>Modèles dentaires</term>
<term>Mâchoire édentée ()</term>
<term>Mâchoire édentée (anatomopathologie)</term>
<term>Palais (anatomopathologie)</term>
<term>Propriétés de surface</term>
<term>Prothèse dentaire complète supérieure</term>
<term>Résines acryliques ()</term>
<term>Sulfate de calcium ()</term>
<term>Technique de prise d'empreinte (instrumentation)</term>
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<term>Acrylic Resins</term>
<term>Calcium Sulfate</term>
<term>Dental Materials</term>
<term>Water</term>
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<keywords scheme="MESH" qualifier="anatomopathologie" xml:lang="fr">
<term>Arcade dentaire</term>
<term>Mâchoire édentée</term>
<term>Palais</term>
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<term>Jaw, Edentulous</term>
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<keywords scheme="MESH" qualifier="instrumentation" xml:lang="en">
<term>Dental Impression Technique</term>
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<keywords scheme="MESH" qualifier="pathology" xml:lang="en">
<term>Dental Arch</term>
<term>Jaw, Edentulous</term>
<term>Palate</term>
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<term>Absorption</term>
<term>Adsorption</term>
<term>Dental Models</term>
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<term>Immersion</term>
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<term>Adsorption</term>
<term>Conception d'appareil de prothèse dentaire</term>
<term>Eau</term>
<term>Humains</term>
<term>Immersion</term>
<term>Matériaux dentaires</term>
<term>Modèles dentaires</term>
<term>Mâchoire édentée</term>
<term>Propriétés de surface</term>
<term>Prothèse dentaire complète supérieure</term>
<term>Résines acryliques</term>
<term>Sulfate de calcium</term>
<term>Technique de prise d'empreinte</term>
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<div type="abstract" xml:lang="en">Polymerization shrinkage is one of the major drawbacks of the acrylic resin. The present study was conducted to evaluate the dimensional changes occurring in the dentures, constructed on the casts having different configurations of the palatal vault, during processing and the effect of water sorption on the processed dentures. Eight maxillary edentulous casts having U, F and V configurations of palatal vault were selected and complete dentures were fabricated. Dimensional changes occurring in the processed dentures were studied in different regions during processing as well as after water sorption. It was observed that dimensional changes in frontal and vertical planes were maximum in V shaped palatal vault dentures. Water sorption partly compensated for the dimensional changes that occurred during processing.</div>
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