Functions of the posterior temporalis and digastric muscles during bilateral biting in the control of temporomandibular joint loading

We analyzed the function of the activation of the posterior temporalis and digastric muscles, which is associated with bilateral biting that occurs during control of temporomandibular joint (TMJ) loading. For purposes of this investigation, we employed a static two-dimensional model that included a...

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Bibliographic Details
Main Authors: Itoh, K.-I., Hayashi, T., Abe, M.
Format: Conference Proceeding
Language:English
Subjects:
Control systems
Controllability
Force control
Joints (anatomy)
Masticatory muscles
Mathematical models
Muscle
Springs
Stomatognathic system
Vectors
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Description
Summary:We analyzed the function of the activation of the posterior temporalis and digastric muscles, which is associated with bilateral biting that occurs during control of temporomandibular joint (TMJ) loading. For purposes of this investigation, we employed a static two-dimensional model that included a rigid-body spring model of the articular disk. Consequently, the activation of the posterior temporalis muscle was verified to reduce minimum TMJ loading, while that of the digastric muscle was verified to increase TMJ loading.
ISSN:1094-687X
0589-1019
1558-4615
DOI:10.1109/IEMBS.1999.802624