Alteration in the bite force and EMG activity with changes in the vertical dimension of edentulous subjects.
Identifieur interne : 003571 ( PubMed/Checkpoint ); précédent : 003570; suivant : 003572Alteration in the bite force and EMG activity with changes in the vertical dimension of edentulous subjects.
Auteurs : T. Morimoto [Japon] ; H. Abekura ; H. Tokuyama ; T. HamadaSource :
- Journal of oral rehabilitation [ 0305-182X ] ; 1996.
Descripteurs français
- KwdFr :
- Adaptation physiologique, Adulte, Adulte d'âge moyen, Analyse de régression, Bouche édentée (physiopathologie), Dimension verticale, Femelle, Force occlusale, Humains, Muscle masséter (physiologie), Muscle temporal (physiologie), Mâle, Stimulation physique (), Sujet âgé, Sujet âgé de 80 ans ou plus, Électromyographie.
- MESH :
- physiologie : Muscle masséter, Muscle temporal.
- physiopathologie : Bouche édentée.
- Adaptation physiologique, Adulte, Adulte d'âge moyen, Analyse de régression, Dimension verticale, Femelle, Force occlusale, Humains, Mâle, Stimulation physique, Sujet âgé, Sujet âgé de 80 ans ou plus, Électromyographie.
English descriptors
- KwdEn :
- MESH :
- methods : Physical Stimulation.
- physiology : Masseter Muscle, Temporal Muscle.
- physiopathology : Mouth, Edentulous.
- Adaptation, Physiological, Adult, Aged, Aged, 80 and over, Bite Force, Electromyography, Female, Humans, Male, Middle Aged, Regression Analysis, Vertical Dimension.
Abstract
The bite force and EMG activity of jaw closing muscles were studied at seven different vertical jaw positions around the occlusal vertical dimension (OVD) in 10 edentulous subjects. When the masseteric EMG activity was maintained at constant values (40% and 20% of the maximum activity at the OVD), the bite force increased in proportion to increase of the vertical dimension. On the other hand, when the bite force was maintained at constant values (4 kg and 8 kg), the EMG activities of the jaw closing muscles decreased, with an increase of the vertical dimension. These results indicate that the OVD is not the position at which the most efficient exertion of the bite force is obtained.
PubMed: 8736446
Affiliations:
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pubmed:8736446Le document en format XML
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<front><div type="abstract" xml:lang="en">The bite force and EMG activity of jaw closing muscles were studied at seven different vertical jaw positions around the occlusal vertical dimension (OVD) in 10 edentulous subjects. When the masseteric EMG activity was maintained at constant values (40% and 20% of the maximum activity at the OVD), the bite force increased in proportion to increase of the vertical dimension. On the other hand, when the bite force was maintained at constant values (4 kg and 8 kg), the EMG activities of the jaw closing muscles decreased, with an increase of the vertical dimension. These results indicate that the OVD is not the position at which the most efficient exertion of the bite force is obtained.</div>
</front>
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<Abstract><AbstractText>The bite force and EMG activity of jaw closing muscles were studied at seven different vertical jaw positions around the occlusal vertical dimension (OVD) in 10 edentulous subjects. When the masseteric EMG activity was maintained at constant values (40% and 20% of the maximum activity at the OVD), the bite force increased in proportion to increase of the vertical dimension. On the other hand, when the bite force was maintained at constant values (4 kg and 8 kg), the EMG activities of the jaw closing muscles decreased, with an increase of the vertical dimension. These results indicate that the OVD is not the position at which the most efficient exertion of the bite force is obtained.</AbstractText>
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