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Verfasst von:Hellmann, Daniel [VerfasserIn]   i
 Brüstle, Fabian [VerfasserIn]   i
 Terebesi, Sophia [VerfasserIn]   i
 Giannakopoulos, Nikolaos Nikitas [VerfasserIn]   i
 Eberhard, Lydia [VerfasserIn]   i
 Rammelsberg, Peter [VerfasserIn]   i
 Schindler, Hans J. [VerfasserIn]   i
Titel:Static balancing behaviour of the mandible
Verf.angabe:Daniel Hellmann, Fabian Brüstle, Sophia Terebesi, Nikolaos N. Giannakopoulos, Lydia Eberhard, Peter Rammelsberg, Hans J. Schindler
E-Jahr:2015
Jahr:08 October 2015
Umfang:17 S.
Fussnoten:Gesehen am 17.08.2020
Titel Quelle:Enthalten in: European journal of oral sciences
Ort Quelle:Oxford [u.a.] : Wiley-Blackwell, 1995
Jahr Quelle:2015
Band/Heft Quelle:123(2015), 6, Seite 439-446
ISSN Quelle:1600-0722
Abstract:The objective of this study was to investigate the mechanisms of physiological control of the craniomandibular system during force-controlled biting: in intercuspation, restricted by predetermined anatomic-geometrical conditions [i.e. biting in intercuspation (BIC)]; and on a hydrostatic system [i.e. auto-balanced static equilibrium of the mandible (BAL)], in which the mandible is balanced under unrestricted occlusal conditions. For 20 healthy subjects, the spatial positions of the condyles, the lower molars, and the incisal point were measured, and the electromyographic (EMG) activity of the musculus masseter and musculus temporalis anterior were recorded bilaterally, during force-controlled biting (50, 75, 100 N) on a hydrostatic device. The results were compared with those obtained during BIC. During BAL, the neuromuscular system stabilizes one condyle, so it behaves as a virtual fulcrum, and all available biomechanical degrees of freedom of the opposite side are used to achieve a bilaterally equal vertical distance between the upper and lower dental arches. The variability of the positions of the molars was significantly smaller than for the condyles. The EMG co-contraction ratios calculated for homonymous muscle regions revealed significant differences between BIC and BAL, specifically, greater symmetry during BAL with substantial asymmetry of approximately 25% remaining. In conclusion, the results revealed precise neuromuscular control of the position of the lower dental arch; this information might form the basis for interference-free tracking of the mandible in intercuspation under different conditions.
DOI:doi:10.1111/eos.12223
URL:Bitte beachten Sie: Dies ist ein Bibliographieeintrag. Ein Volltextzugriff für Mitglieder der Universität besteht hier nur, falls für die entsprechende Zeitschrift/den entsprechenden Sammelband ein Abonnement besteht oder es sich um einen OpenAccess-Titel handelt.

Volltext ; Verlag: https://doi.org/10.1111/eos.12223
 Volltext: https://onlinelibrary.wiley.com/doi/abs/10.1111/eos.12223
 DOI: https://doi.org/10.1111/eos.12223
Datenträger:Online-Ressource
Sprache:eng
Sach-SW:balancing
 electromyography
 jaw kinematics
 jaw motor control
 jaw movements
K10plus-PPN:1727141555
Verknüpfungen:→ Zeitschrift

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