Serveur d'exploration sur le patient édenté

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The effect of denture stability on bite force and muscular effort

Identifieur interne : 004463 ( Main/Exploration ); précédent : 004462; suivant : 004464

The effect of denture stability on bite force and muscular effort

Auteurs : R. Caloss [États-Unis] ; M. Al-Arab ; R. A. Finn ; G. S. Throckmorton [États-Unis]

Source :

RBID : ISTEX:779627DBA93807F2F7E5ECB41FB3C3372ACC0E0D

Descripteurs français

English descriptors

Abstract

Summary  This study tested the hypothesis that denture instability limits the amount of voluntary muscular effort generated by denture wearers. Seventeen edentulous subjects (seven men, 10 women; mean age 60·3 ± 13·0 years) with newly acquired implant‐retained mandibular overdentures and a conventional maxillary denture participated. Maximum bite forces and corresponding electromyographic (EMG) activity from the temporalis and masseter muscles (bilaterally) were recorded under two experimental conditions: (i) Unilateral premolar and molar bites without additional support, and (ii) premolar and molar bites with bite block support on the opposite side. In addition, EMG values alone were recorded during maximum clenching without any transducer between the upper and lower dentures. The level of muscular effort was significantly higher with greater denture support. These results indicate that denture instability probably prevents denture wearers from using the full potential of their jaw muscles, especially during unilateral biting and chewing, even with two implants supporting the mandibular dentures.

Url:
DOI: 10.1111/j.1365-2842.2010.02169.x


Affiliations:


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Le document en format XML

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<term>Acta odontol scand</term>
<term>Aged</term>
<term>Analysis of Variance</term>
<term>Bilateral</term>
<term>Bilateral molar</term>
<term>Bite Force</term>
<term>Blackwell publishing</term>
<term>Complete dentures</term>
<term>Conventional dentures</term>
<term>Dental Prosthesis, Implant-Supported</term>
<term>Dental Stress Analysis</term>
<term>Dental arches</term>
<term>Denture</term>
<term>Denture Retention</term>
<term>Denture instability</term>
<term>Denture patients</term>
<term>Denture stability</term>
<term>Denture wearers</term>
<term>Denture, Complete, Upper</term>
<term>Denture, Overlay</term>
<term>Disuse atrophy</term>
<term>Edentulous</term>
<term>Edentulous patients</term>
<term>Edentulous subjects</term>
<term>Electromyographic</term>
<term>Electromyographic activity</term>
<term>Electromyography</term>
<term>Experimental conditions</term>
<term>Female</term>
<term>Force transducer</term>
<term>Force values</term>
<term>Humans</term>
<term>Implant</term>
<term>Implant placement</term>
<term>Implant support</term>
<term>Longitudinal studies</term>
<term>Lower dentures</term>
<term>Lower levels</term>
<term>Male</term>
<term>Mandible</term>
<term>Mandibular</term>
<term>Mandibular implants</term>
<term>Mandibular overdentures</term>
<term>Masseter Muscle (physiopathology)</term>
<term>Masseter muscles</term>
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<term>Masticatory function</term>
<term>Maxillofacial surgery</term>
<term>Maximum bites</term>
<term>Maximum clenching</term>
<term>Medical center</term>
<term>Middle Aged</term>
<term>Molar</term>
<term>Molar bites</term>
<term>Molar positions</term>
<term>Mouth, Edentulous (physiopathology)</term>
<term>Muscle strength</term>
<term>Muscular effort</term>
<term>Occlusal Splints</term>
<term>Oral function</term>
<term>Oral rehabil</term>
<term>Overdentures</term>
<term>Premolar</term>
<term>Premolar bites</term>
<term>Previous studies</term>
<term>Right side</term>
<term>Temporal Muscle (physiopathology)</term>
<term>Total force</term>
<term>Transducers</term>
<term>Unstable dentures</term>
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<keywords scheme="KwdFr" xml:lang="fr">
<term>Adulte d'âge moyen</term>
<term>Analyse de variance</term>
<term>Analyse du stress dentaire</term>
<term>Bouche édentée (physiopathologie)</term>
<term>Femelle</term>
<term>Force occlusale</term>
<term>Gouttières occlusales</term>
<term>Humains</term>
<term>Mandibule</term>
<term>Muscle masséter (physiopathologie)</term>
<term>Muscle temporal (physiopathologie)</term>
<term>Mâle</term>
<term>Overdenture</term>
<term>Prothèse dentaire complète supérieure</term>
<term>Prothèse dentaire implanto-portée</term>
<term>Rétention d'appareil de prothèse dentaire</term>
<term>Sujet âgé</term>
<term>Transducteurs</term>
<term>Électromyographie</term>
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<term>Bouche édentée</term>
<term>Muscle masséter</term>
<term>Muscle temporal</term>
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<keywords scheme="MESH" qualifier="physiopathology" xml:lang="en">
<term>Masseter Muscle</term>
<term>Mouth, Edentulous</term>
<term>Temporal Muscle</term>
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<keywords scheme="Teeft" xml:lang="en">
<term>Acta odontol scand</term>
<term>Aged</term>
<term>Analysis of Variance</term>
<term>Bilateral</term>
<term>Bilateral molar</term>
<term>Bite Force</term>
<term>Blackwell publishing</term>
<term>Complete dentures</term>
<term>Conventional dentures</term>
<term>Dental Prosthesis, Implant-Supported</term>
<term>Dental Stress Analysis</term>
<term>Dental arches</term>
<term>Denture</term>
<term>Denture Retention</term>
<term>Denture instability</term>
<term>Denture patients</term>
<term>Denture stability</term>
<term>Denture wearers</term>
<term>Denture, Complete, Upper</term>
<term>Denture, Overlay</term>
<term>Disuse atrophy</term>
<term>Edentulous</term>
<term>Edentulous patients</term>
<term>Edentulous subjects</term>
<term>Electromyographic</term>
<term>Electromyographic activity</term>
<term>Electromyography</term>
<term>Experimental conditions</term>
<term>Female</term>
<term>Force transducer</term>
<term>Force values</term>
<term>Humans</term>
<term>Implant</term>
<term>Implant placement</term>
<term>Implant support</term>
<term>Longitudinal studies</term>
<term>Lower dentures</term>
<term>Lower levels</term>
<term>Male</term>
<term>Mandible</term>
<term>Mandibular</term>
<term>Mandibular implants</term>
<term>Mandibular overdentures</term>
<term>Masseter muscles</term>
<term>Masticatory</term>
<term>Masticatory function</term>
<term>Maxillofacial surgery</term>
<term>Maximum bites</term>
<term>Maximum clenching</term>
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<term>Molar bites</term>
<term>Molar positions</term>
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<term>Muscular effort</term>
<term>Occlusal Splints</term>
<term>Oral function</term>
<term>Oral rehabil</term>
<term>Overdentures</term>
<term>Premolar</term>
<term>Premolar bites</term>
<term>Previous studies</term>
<term>Right side</term>
<term>Total force</term>
<term>Transducers</term>
<term>Unstable dentures</term>
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<term>Adulte d'âge moyen</term>
<term>Analyse de variance</term>
<term>Analyse du stress dentaire</term>
<term>Femelle</term>
<term>Force occlusale</term>
<term>Gouttières occlusales</term>
<term>Humains</term>
<term>Mandibule</term>
<term>Mâle</term>
<term>Overdenture</term>
<term>Prothèse dentaire complète supérieure</term>
<term>Prothèse dentaire implanto-portée</term>
<term>Rétention d'appareil de prothèse dentaire</term>
<term>Sujet âgé</term>
<term>Transducteurs</term>
<term>Électromyographie</term>
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<front>
<div type="abstract">Summary  This study tested the hypothesis that denture instability limits the amount of voluntary muscular effort generated by denture wearers. Seventeen edentulous subjects (seven men, 10 women; mean age 60·3 ± 13·0 years) with newly acquired implant‐retained mandibular overdentures and a conventional maxillary denture participated. Maximum bite forces and corresponding electromyographic (EMG) activity from the temporalis and masseter muscles (bilaterally) were recorded under two experimental conditions: (i) Unilateral premolar and molar bites without additional support, and (ii) premolar and molar bites with bite block support on the opposite side. In addition, EMG values alone were recorded during maximum clenching without any transducer between the upper and lower dentures. The level of muscular effort was significantly higher with greater denture support. These results indicate that denture instability probably prevents denture wearers from using the full potential of their jaw muscles, especially during unilateral biting and chewing, even with two implants supporting the mandibular dentures.</div>
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