Stress distribution and abutment tooth mobility of distal-extension removable partial dentures with different retainers: an in vivo study.
Identifieur interne : 000014 ( Ncbi/Checkpoint ); précédent : 000013; suivant : 000015Stress distribution and abutment tooth mobility of distal-extension removable partial dentures with different retainers: an in vivo study.
Auteurs : Y. Igarashi [Japon] ; A. Ogata ; A. Kuroiwa ; C H WangSource :
- Journal of oral rehabilitation [ 0305-182X ] ; 1999.
Descripteurs français
- KwdFr :
- Analyse de variance, Analyse du stress dentaire (instrumentation), Bases d'appareil de prothèse dentaire, Contrainte mécanique, Couronnes, Crochets dentaires, Femelle, Flexibilité, Force occlusale, Humains, Mobilité dentaire (physiopathologie), Muqueuse de la bouche (physiologie), Mâchoire partiellement édentée (), Mâchoire partiellement édentée (rééducation et réadaptation), Mâle, Piliers dentaires, Propriétés de surface, Prothèse dentaire partielle amovible (effets indésirables), Rétention d'appareil de prothèse dentaire, Sujet âgé, Transducteurs.
- MESH :
- effets indésirables : Prothèse dentaire partielle amovible.
- physiologie : Muqueuse de la bouche.
- physiopathologie : Mobilité dentaire.
- rééducation et réadaptation : Mâchoire partiellement édentée.
- Analyse de variance, Analyse du stress dentaire, Bases d'appareil de prothèse dentaire, Contrainte mécanique, Couronnes, Crochets dentaires, Femelle, Flexibilité, Force occlusale, Humains, Mâchoire partiellement édentée, Mâle, Piliers dentaires, Propriétés de surface, Rétention d'appareil de prothèse dentaire, Sujet âgé, Transducteurs.
English descriptors
- KwdEn :
- Aged, Analysis of Variance, Bite Force, Crowns, Dental Abutments, Dental Clasps, Dental Stress Analysis (instrumentation), Denture Bases, Denture Retention, Denture, Partial, Removable (adverse effects), Female, Humans, Jaw, Edentulous, Partially (classification), Jaw, Edentulous, Partially (rehabilitation), Male, Mouth Mucosa (physiology), Pliability, Stress, Mechanical, Surface Properties, Tooth Mobility (physiopathology), Transducers.
- MESH :
- adverse effects : Denture, Partial, Removable.
- classification : Jaw, Edentulous, Partially.
- instrumentation : Dental Stress Analysis.
- physiology : Mouth Mucosa.
- physiopathology : Tooth Mobility.
- rehabilitation : Jaw, Edentulous, Partially.
- Aged, Analysis of Variance, Bite Force, Crowns, Dental Abutments, Dental Clasps, Denture Bases, Denture Retention, Female, Humans, Male, Pliability, Stress, Mechanical, Surface Properties, Transducers.
Abstract
Three types of retainers (wrought wire clasp, Aker's cast clasp, and conical crown telescopic retainer) designed for distal-extension removable partial dentures (RPDs) were assessed in two Kennedy class I patients' mouths. The assessment, included the ratio of denture base shearing load and mobility of the terminal abutments when loaded on a free-end RPD occlusal surface. The mean values of denture base shearing ratios of wrought wire clasp, Aker's clasp and conical crown telescope were 60, 42 and 20%, respectively. The abutment mobility of the three types of retainers were all within the 'mobile ability area' except the wrought wire clasp for patient A's right side. The greatest tooth mobility was observed with the wrought wire clasps, followed by Aker's clasp and the conical crown telescopic retainer. From the analysis the following was concluded: (i) different retainers do influence the occlusal load distribution; (ii) the occlusal load distributed to the free-end saddle is closely related to the connecting rigidity of the retainer; (iii) mucosal support has an indispensable role in sharing the occlusal load with various retainers, even the rigid telescopic retainer.
PubMed: 10080307
Affiliations:
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Igarashi</name><affiliation wicri:level="1"><nlm:affiliation>Department of Removable Prosthodontics, Matsumoto Dental College, Nagano, Japan.</nlm:affiliation><country xml:lang="fr">Japon</country><wicri:regionArea>Department of Removable Prosthodontics, Matsumoto Dental College, Nagano</wicri:regionArea><wicri:noRegion>Nagano</wicri:noRegion></affiliation></author><author><name sortKey="Ogata, A" sort="Ogata, A" uniqKey="Ogata A" first="A" last="Ogata">A. Ogata</name></author><author><name sortKey="Kuroiwa, A" sort="Kuroiwa, A" uniqKey="Kuroiwa A" first="A" last="Kuroiwa">A. Kuroiwa</name></author><author><name sortKey="Wang, C H" sort="Wang, C H" uniqKey="Wang C" first="C H" last="Wang">C H Wang</name></author></analytic><series><title level="j">Journal of oral rehabilitation</title><idno type="ISSN">0305-182X</idno><imprint><date when="1999" type="published">1999</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Aged</term><term>Analysis of Variance</term><term>Bite Force</term><term>Crowns</term><term>Dental Abutments</term><term>Dental Clasps</term><term>Dental Stress Analysis (instrumentation)</term><term>Denture Bases</term><term>Denture Retention</term><term>Denture, Partial, Removable (adverse effects)</term><term>Female</term><term>Humans</term><term>Jaw, Edentulous, Partially (classification)</term><term>Jaw, Edentulous, Partially (rehabilitation)</term><term>Male</term><term>Mouth Mucosa (physiology)</term><term>Pliability</term><term>Stress, Mechanical</term><term>Surface Properties</term><term>Tooth Mobility (physiopathology)</term><term>Transducers</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Analyse de variance</term><term>Analyse du stress dentaire (instrumentation)</term><term>Bases d'appareil de prothèse dentaire</term><term>Contrainte mécanique</term><term>Couronnes</term><term>Crochets dentaires</term><term>Femelle</term><term>Flexibilité</term><term>Force occlusale</term><term>Humains</term><term>Mobilité dentaire (physiopathologie)</term><term>Muqueuse de la bouche (physiologie)</term><term>Mâchoire partiellement édentée ()</term><term>Mâchoire partiellement édentée (rééducation et réadaptation)</term><term>Mâle</term><term>Piliers dentaires</term><term>Propriétés de surface</term><term>Prothèse dentaire partielle amovible (effets indésirables)</term><term>Rétention d'appareil de prothèse dentaire</term><term>Sujet âgé</term><term>Transducteurs</term></keywords><keywords scheme="MESH" qualifier="adverse effects" xml:lang="en"><term>Denture, Partial, Removable</term></keywords><keywords scheme="MESH" qualifier="classification" xml:lang="en"><term>Jaw, Edentulous, Partially</term></keywords><keywords scheme="MESH" qualifier="effets indésirables" xml:lang="fr"><term>Prothèse dentaire partielle amovible</term></keywords><keywords scheme="MESH" qualifier="instrumentation" xml:lang="en"><term>Dental Stress Analysis</term></keywords><keywords scheme="MESH" qualifier="physiologie" xml:lang="fr"><term>Muqueuse de la bouche</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Mouth Mucosa</term></keywords><keywords scheme="MESH" qualifier="physiopathologie" xml:lang="fr"><term>Mobilité dentaire</term></keywords><keywords scheme="MESH" qualifier="physiopathology" xml:lang="en"><term>Tooth Mobility</term></keywords><keywords scheme="MESH" qualifier="rehabilitation" xml:lang="en"><term>Jaw, Edentulous, Partially</term></keywords><keywords scheme="MESH" qualifier="rééducation et réadaptation" xml:lang="fr"><term>Mâchoire partiellement édentée</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Aged</term><term>Analysis of Variance</term><term>Bite Force</term><term>Crowns</term><term>Dental Abutments</term><term>Dental Clasps</term><term>Denture Bases</term><term>Denture Retention</term><term>Female</term><term>Humans</term><term>Male</term><term>Pliability</term><term>Stress, Mechanical</term><term>Surface Properties</term><term>Transducers</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Analyse de variance</term><term>Analyse du stress dentaire</term><term>Bases d'appareil de prothèse dentaire</term><term>Contrainte mécanique</term><term>Couronnes</term><term>Crochets dentaires</term><term>Femelle</term><term>Flexibilité</term><term>Force occlusale</term><term>Humains</term><term>Mâchoire partiellement édentée</term><term>Mâle</term><term>Piliers dentaires</term><term>Propriétés de surface</term><term>Rétention d'appareil de prothèse dentaire</term><term>Sujet âgé</term><term>Transducteurs</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Three types of retainers (wrought wire clasp, Aker's cast clasp, and conical crown telescopic retainer) designed for distal-extension removable partial dentures (RPDs) were assessed in two Kennedy class I patients' mouths. The assessment, included the ratio of denture base shearing load and mobility of the terminal abutments when loaded on a free-end RPD occlusal surface. The mean values of denture base shearing ratios of wrought wire clasp, Aker's clasp and conical crown telescope were 60, 42 and 20%, respectively. The abutment mobility of the three types of retainers were all within the 'mobile ability area' except the wrought wire clasp for patient A's right side. The greatest tooth mobility was observed with the wrought wire clasps, followed by Aker's clasp and the conical crown telescopic retainer. From the analysis the following was concluded: (i) different retainers do influence the occlusal load distribution; (ii) the occlusal load distributed to the free-end saddle is closely related to the connecting rigidity of the retainer; (iii) mucosal support has an indispensable role in sharing the occlusal load with various retainers, even the rigid telescopic retainer.</div></front></TEI><affiliations><list><country><li>Japon</li></country></list><tree><noCountry><name sortKey="Kuroiwa, A" sort="Kuroiwa, A" uniqKey="Kuroiwa A" first="A" last="Kuroiwa">A. Kuroiwa</name><name sortKey="Ogata, A" sort="Ogata, A" uniqKey="Ogata A" first="A" last="Ogata">A. Ogata</name><name sortKey="Wang, C H" sort="Wang, C H" uniqKey="Wang C" first="C H" last="Wang">C H Wang</name></noCountry><country name="Japon"><noRegion><name sortKey="Igarashi, Y" sort="Igarashi, Y" uniqKey="Igarashi Y" first="Y" last="Igarashi">Y. 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