https://doi.org/10.4081/ejtm.2019.8808

The role of the styloid apophysis of the temporal bone in the biomechanics of the tongue, mandible, hyoid system: a case study

Vol. 30 No. 1 (2020)
Submitted: 9 January 2020
Accepted: 12 February 2020
Published: 1 April 2020
TMJ disorders, Eagle syndrome, styloid process
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Authors

Giuseppe Messina
posturologia@unipa.it
Department of Psychological, Pedagogical and Educational Sciences, Sport and Exercise Sciences Research Unit, University of Palermo, Palermo, Italy.

Temporomandibular disorders are characterized by ear pain, tinnitus, difficulty in chewing, dysphagia and also dizziness, cervical limitation of range of movement (ROM) and other less common disorders. Numerous recent studies associate the presence of these signs and symptoms with an elongated styloid apophysis, as in the case of Eagle syndrome. The purpose of this clinical case is to support the thesis of a common syndrome that temporomandibular joint (TMJ) disorders with an elongated styloid process affirming the relationship between temporal bone, mandibule, hyoid bone and tongue. The patient was a 57-year-old woman who reported having ear algia and tinnitus all on the right side with difficulty chewing accompanied by odynophagia and dysphagia of solid and liquid foods, as well as cervical disorders. Computed tomography (CT) scans of the neck showed elongation and ossification of the styloid processes of the temporal bone. Magnetic resonance imaging (MRI) showed an anterior right dislocation of the TMJ articular disc. The patient presented classic symptoms of temporomandibular disorders, with the primary examinations showing an anterior right dislocation of the articular disc of the TMJ, as well as a longer styloid process on the same side. We therefore suggested that, in this case report, TMJ disorders may be associated with a longer styloid process on the same side.

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How to Cite

Messina, G. (2020). The role of the styloid apophysis of the temporal bone in the biomechanics of the tongue, mandible, hyoid system: a case study. European Journal of Translational Myology, 30(1), 111–115. https://doi.org/10.4081/ejtm.2019.8808

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