Serveur d'exploration sur le patient édenté

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Ageing and the Accuracy of Jaw Muscle Control

Identifieur interne : 00C138 ( Main/Exploration ); précédent : 00C137; suivant : 00C139

Ageing and the Accuracy of Jaw Muscle Control

Auteurs : George Robert Lewis [Royaume-Uni]

Source :

RBID : ISTEX:652969A3851B50C67A80FD2B57B5DBF909F1839B

English descriptors

Abstract

This study was designed to investigate the effect of ageing upon the accuracy with which subjects control jaw muscle activity during voluntary tooth clenching. The experiment involved the subjects clenching on a force transducer to achieve and maintain a predetermined target force displayed using a biofeedback light bar. The subjects were seventeen healthy, dentally fit males, ranging in age from 22 to 77 years, each of whom performed the experiment on one occasion. Target forces of 0.5, 1 and 2 Kg were demanded, and were maintained for two minutes duration with an equivalent rest period between each task. Subject performance was a measure of the difference between the force achieved and the target force, and was obtained electrically using an integrator controlled by a timing device. The results showed that performance deteriorated both at higher force levels and with increasing age, although there was a wide variation in ability between different individuals.

Url:
DOI: 10.1111/j.1741-2358.1988.tb00319.x


Affiliations:


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Le document en format XML

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<term>Artificial dentitions</term>
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<term>Biofeedback light</term>
<term>Consecutive integrals</term>
<term>Data points</term>
<term>Dental research</term>
<term>Digital voltmeter</term>
<term>Error signal</term>
<term>Experimental psychology</term>
<term>Force level</term>
<term>Force levels</term>
<term>Force transducer</term>
<term>Force transducer output</term>
<term>Higher force levels</term>
<term>Human perception</term>
<term>Laboratory procedure</term>
<term>Lewis yemm</term>
<term>Linear relationship</term>
<term>Lower member</term>
<term>Minutes duration</term>
<term>Motor units</term>
<term>Neuromuscular control</term>
<term>Oral biology</term>
<term>Oral rehabilitation</term>
<term>Performance error</term>
<term>Periodontal</term>
<term>Periodontal ligament</term>
<term>Poorer performance</term>
<term>Positive signal</term>
<term>Similar technique</term>
<term>Skin innervated</term>
<term>Subject performance</term>
<term>Tape recordings</term>
<term>Target force</term>
<term>Target force level</term>
<term>Target forces</term>
<term>Target point</term>
<term>Target voltage</term>
<term>Timing device</term>
<term>Transducer output</term>
<term>Trigeminal nerve</term>
<term>Typical oscilloscope record</term>
<term>Upper member</term>
<term>Vertical axis</term>
<term>Voluntary tooth clenching</term>
<term>Wide range</term>
<term>Wide variation</term>
<term>Yemm</term>
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<term>Artificial dentitions</term>
<term>Average value</term>
<term>Biofeedback light</term>
<term>Consecutive integrals</term>
<term>Data points</term>
<term>Dental research</term>
<term>Digital voltmeter</term>
<term>Error signal</term>
<term>Experimental psychology</term>
<term>Force level</term>
<term>Force levels</term>
<term>Force transducer</term>
<term>Force transducer output</term>
<term>Higher force levels</term>
<term>Human perception</term>
<term>Laboratory procedure</term>
<term>Lewis yemm</term>
<term>Linear relationship</term>
<term>Lower member</term>
<term>Minutes duration</term>
<term>Motor units</term>
<term>Neuromuscular control</term>
<term>Oral biology</term>
<term>Oral rehabilitation</term>
<term>Performance error</term>
<term>Periodontal</term>
<term>Periodontal ligament</term>
<term>Poorer performance</term>
<term>Positive signal</term>
<term>Similar technique</term>
<term>Skin innervated</term>
<term>Subject performance</term>
<term>Tape recordings</term>
<term>Target force</term>
<term>Target force level</term>
<term>Target forces</term>
<term>Target point</term>
<term>Target voltage</term>
<term>Timing device</term>
<term>Transducer output</term>
<term>Trigeminal nerve</term>
<term>Typical oscilloscope record</term>
<term>Upper member</term>
<term>Vertical axis</term>
<term>Voluntary tooth clenching</term>
<term>Wide range</term>
<term>Wide variation</term>
<term>Yemm</term>
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<div type="abstract" xml:lang="en">This study was designed to investigate the effect of ageing upon the accuracy with which subjects control jaw muscle activity during voluntary tooth clenching. The experiment involved the subjects clenching on a force transducer to achieve and maintain a predetermined target force displayed using a biofeedback light bar. The subjects were seventeen healthy, dentally fit males, ranging in age from 22 to 77 years, each of whom performed the experiment on one occasion. Target forces of 0.5, 1 and 2 Kg were demanded, and were maintained for two minutes duration with an equivalent rest period between each task. Subject performance was a measure of the difference between the force achieved and the target force, and was obtained electrically using an integrator controlled by a timing device. The results showed that performance deteriorated both at higher force levels and with increasing age, although there was a wide variation in ability between different individuals.</div>
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