Electromyographic evaluation of masticatory function in denture wearers in related to existing occlusal support.
Identifieur interne : 007771 ( Main/Exploration ); précédent : 007770; suivant : 007772Electromyographic evaluation of masticatory function in denture wearers in related to existing occlusal support.
Auteurs : Teruyasu Nakamura [Japon] ; Kazuyoshi Baba ; Ichiro Minami ; Nobuhiko Okano ; Takashi OhyamaSource :
- Journal of medical and dental sciences [ 1342-8810 ] ; 2004.
Descripteurs français
- KwdFr :
- Adulte, Adulte d'âge moyen, Analyse de variance, Facteurs de l'âge, Facteurs sexuels, Facteurs temps, Femelle, Humains, Mastication (physiologie), Muscle masséter (physiopathologie), Muscle temporal (physiopathologie), Mâchoire partiellement édentée (), Mâchoire partiellement édentée (physiopathologie), Mâle, Prothèse dentaire partielle amovible, Sujet âgé, Traitement du signal assisté par ordinateur, Électromyographie.
- MESH :
- physiologie : Mastication.
- physiopathologie : Muscle masséter, Muscle temporal, Mâchoire partiellement édentée.
- Adulte, Adulte d'âge moyen, Analyse de variance, Facteurs de l'âge, Facteurs sexuels, Facteurs temps, Femelle, Humains, Mâchoire partiellement édentée, Mâle, Prothèse dentaire partielle amovible, Sujet âgé, Traitement du signal assisté par ordinateur, Électromyographie.
English descriptors
- KwdEn :
- Adult, Age Factors, Aged, Analysis of Variance, Denture, Partial, Removable, Electromyography, Female, Humans, Jaw, Edentulous, Partially (classification), Jaw, Edentulous, Partially (physiopathology), Male, Masseter Muscle (physiopathology), Mastication (physiology), Middle Aged, Sex Factors, Signal Processing, Computer-Assisted, Temporal Muscle (physiopathology), Time Factors.
- MESH :
- classification : Jaw, Edentulous, Partially.
- physiology : Mastication.
- physiopathology : Jaw, Edentulous, Partially, Masseter Muscle, Temporal Muscle.
- Adult, Age Factors, Aged, Analysis of Variance, Denture, Partial, Removable, Electromyography, Female, Humans, Male, Middle Aged, Sex Factors, Signal Processing, Computer-Assisted, Time Factors.
Abstract
The aim of this study was to clarify the relationship between partially edentulous pattern and the masticatory function in removable partial denture wearers. Eighty eight removable partial denture wearers and 7 subjects with intact dentition volunteered for this study. Using the Eichner's index, all subjects were divided into 6 groups. Electromyographic (EMG) activities of the masticatory muscle were recorded during chewing a piece of raw carrot. The masticatory function was analyzed by using the variation coefficient (VC) of the time parameter of EMG interval recorded during mastication. The association of the VC with group classification based on Eichner's index was analyzed using analysis of covariance with gender and age as the covariates. The result of the analysis revealed that the VC was significantly associated with group classification and the patients in groups without posterior occlusal supports exhibited significantly higher VC values than those in groups with posterior occlusal supports. These findings suggested that the reduced function in patients without the posterior occlusal contacts was difficult to attain improved and satisfactory outcome with removable partial dentures and that there is a significant need for posterior occlusal support for the preservation of masticatory function.
PubMed: 15597823
Affiliations:
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first="Kazuyoshi" last="Baba">Kazuyoshi Baba</name></author><author><name sortKey="Minami, Ichiro" sort="Minami, Ichiro" uniqKey="Minami I" first="Ichiro" last="Minami">Ichiro Minami</name></author><author><name sortKey="Okano, Nobuhiko" sort="Okano, Nobuhiko" uniqKey="Okano N" first="Nobuhiko" last="Okano">Nobuhiko Okano</name></author><author><name sortKey="Ohyama, Takashi" sort="Ohyama, Takashi" uniqKey="Ohyama T" first="Takashi" last="Ohyama">Takashi Ohyama</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2004">2004</date><idno type="RBID">pubmed:15597823</idno><idno type="pmid">15597823</idno><idno type="wicri:Area/PubMed/Corpus">002B60</idno><idno type="wicri:explorRef" wicri:stream="PubMed" wicri:step="Corpus" wicri:corpus="PubMed">002B60</idno><idno type="wicri:Area/PubMed/Curation">002B60</idno><idno type="wicri:explorRef" wicri:stream="PubMed" wicri:step="Curation">002B60</idno><idno 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Division of Oral Health Sciences, Graduate School, Tokyo Medical and Dental University, Japan. teru.rpro@tmd.ac.jp</nlm:affiliation><country xml:lang="fr">Japon</country><wicri:regionArea>Removable Prosthodontics, Department of Masticatory Function Rehabilitation, Division of Oral Health Sciences, Graduate School, Tokyo Medical and Dental University</wicri:regionArea><wicri:noRegion>Tokyo Medical and Dental University</wicri:noRegion></affiliation></author><author><name sortKey="Baba, Kazuyoshi" sort="Baba, Kazuyoshi" uniqKey="Baba K" first="Kazuyoshi" last="Baba">Kazuyoshi Baba</name></author><author><name sortKey="Minami, Ichiro" sort="Minami, Ichiro" uniqKey="Minami I" first="Ichiro" last="Minami">Ichiro Minami</name></author><author><name sortKey="Okano, Nobuhiko" sort="Okano, Nobuhiko" uniqKey="Okano N" first="Nobuhiko" last="Okano">Nobuhiko Okano</name></author><author><name sortKey="Ohyama, Takashi" sort="Ohyama, Takashi" uniqKey="Ohyama T" first="Takashi" last="Ohyama">Takashi Ohyama</name></author></analytic><series><title level="j">Journal of medical and dental sciences</title><idno type="ISSN">1342-8810</idno><imprint><date when="2004" type="published">2004</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adult</term><term>Age Factors</term><term>Aged</term><term>Analysis of Variance</term><term>Denture, Partial, Removable</term><term>Electromyography</term><term>Female</term><term>Humans</term><term>Jaw, Edentulous, Partially (classification)</term><term>Jaw, Edentulous, Partially (physiopathology)</term><term>Male</term><term>Masseter Muscle (physiopathology)</term><term>Mastication (physiology)</term><term>Middle Aged</term><term>Sex Factors</term><term>Signal Processing, Computer-Assisted</term><term>Temporal Muscle (physiopathology)</term><term>Time Factors</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Adulte</term><term>Adulte d'âge moyen</term><term>Analyse de variance</term><term>Facteurs de l'âge</term><term>Facteurs sexuels</term><term>Facteurs temps</term><term>Femelle</term><term>Humains</term><term>Mastication (physiologie)</term><term>Muscle masséter (physiopathologie)</term><term>Muscle temporal (physiopathologie)</term><term>Mâchoire partiellement édentée ()</term><term>Mâchoire partiellement édentée (physiopathologie)</term><term>Mâle</term><term>Prothèse dentaire partielle amovible</term><term>Sujet âgé</term><term>Traitement du signal assisté par ordinateur</term><term>Électromyographie</term></keywords><keywords scheme="MESH" qualifier="classification" xml:lang="en"><term>Jaw, Edentulous, Partially</term></keywords><keywords scheme="MESH" qualifier="physiologie" xml:lang="fr"><term>Mastication</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Mastication</term></keywords><keywords scheme="MESH" qualifier="physiopathologie" xml:lang="fr"><term>Muscle masséter</term><term>Muscle temporal</term><term>Mâchoire partiellement édentée</term></keywords><keywords scheme="MESH" qualifier="physiopathology" xml:lang="en"><term>Jaw, Edentulous, Partially</term><term>Masseter Muscle</term><term>Temporal Muscle</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Adult</term><term>Age Factors</term><term>Aged</term><term>Analysis of Variance</term><term>Denture, Partial, Removable</term><term>Electromyography</term><term>Female</term><term>Humans</term><term>Male</term><term>Middle Aged</term><term>Sex Factors</term><term>Signal Processing, Computer-Assisted</term><term>Time Factors</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Adulte</term><term>Adulte d'âge moyen</term><term>Analyse de variance</term><term>Facteurs de l'âge</term><term>Facteurs sexuels</term><term>Facteurs temps</term><term>Femelle</term><term>Humains</term><term>Mâchoire partiellement édentée</term><term>Mâle</term><term>Prothèse dentaire partielle amovible</term><term>Sujet âgé</term><term>Traitement du signal assisté par ordinateur</term><term>Électromyographie</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The aim of this study was to clarify the relationship between partially edentulous pattern and the masticatory function in removable partial denture wearers. Eighty eight removable partial denture wearers and 7 subjects with intact dentition volunteered for this study. Using the Eichner's index, all subjects were divided into 6 groups. Electromyographic (EMG) activities of the masticatory muscle were recorded during chewing a piece of raw carrot. The masticatory function was analyzed by using the variation coefficient (VC) of the time parameter of EMG interval recorded during mastication. The association of the VC with group classification based on Eichner's index was analyzed using analysis of covariance with gender and age as the covariates. The result of the analysis revealed that the VC was significantly associated with group classification and the patients in groups without posterior occlusal supports exhibited significantly higher VC values than those in groups with posterior occlusal supports. These findings suggested that the reduced function in patients without the posterior occlusal contacts was difficult to attain improved and satisfactory outcome with removable partial dentures and that there is a significant need for posterior occlusal support for the preservation of masticatory function.</div></front></TEI><affiliations><list><country><li>Japon</li></country></list><tree><noCountry><name sortKey="Baba, Kazuyoshi" sort="Baba, Kazuyoshi" uniqKey="Baba K" first="Kazuyoshi" last="Baba">Kazuyoshi Baba</name><name sortKey="Minami, Ichiro" sort="Minami, Ichiro" uniqKey="Minami I" first="Ichiro" last="Minami">Ichiro Minami</name><name sortKey="Ohyama, Takashi" sort="Ohyama, Takashi" uniqKey="Ohyama T" first="Takashi" last="Ohyama">Takashi Ohyama</name><name sortKey="Okano, Nobuhiko" sort="Okano, Nobuhiko" uniqKey="Okano N" first="Nobuhiko" last="Okano">Nobuhiko Okano</name></noCountry><country name="Japon"><noRegion><name sortKey="Nakamura, Teruyasu" sort="Nakamura, Teruyasu" uniqKey="Nakamura T" first="Teruyasu" last="Nakamura">Teruyasu Nakamura</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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