Subjects with temporomandibular joint disc displacement do not feature any peculiar changes in body posture

Summary The presence of body posture changes among patients with temporomandibular disorders (TMD) has been a controversial topic in dentistry. Based on that, the aim of this study was to assess postural features of pain‐free subjects with internal derangement of the temporomandibular joint (TMJ), v...

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Bibliographic Details
Published in:Journal of oral rehabilitation 2017-02, Vol.44 (2), p.81-88
Main Authors: Rocha, T., Castro, M. A., Guarda‐Nardini, L., Manfredini, D.
Format: Article
Language:English
Subjects:
Alliances
Analysis of Variance
Balance
body posture
Case-Control Studies
Dental Occlusion
Dentistry
Facial Pain - physiopathology
Female
Head - anatomy & histology
Humans
internal derangement
Jaw
Listening
Male
Malocclusion - physiopathology
Mandible
Mandibular Condyle - physiopathology
Masticatory Muscles - physiopathology
Pain
Posture
Posture - physiology
Reproducibility of Results
Temporomandibular joint
Temporomandibular Joint Disorders - physiopathology
Young Adult
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Summary:Summary The presence of body posture changes among patients with temporomandibular disorders (TMD) has been a controversial topic in dentistry. Based on that, the aim of this study was to assess postural features of pain‐free subjects with internal derangement of the temporomandibular joint (TMJ), viz. disc displacement, when compared to subjects with normal disc position. A total of 21 subjects with unilateral, pain‐free TMJ disc displacement (DD) and 21 subjects without any TMD signs of symptoms were assessed for body posture changes by means of posturographic evaluation of several body segments and postural balance reactions through the centre of mass during jaw movements using a balance platform. Posturographic measurements showed the absence of any significant differences between the two groups in any of the outcome parameters. Similarly, all balance platform responses to mandibular movements were not different between groups. There are no significant differences in body posture between subjects with and without unilateral disc displacement in the temporomandibular joint. Such observations, indicating a well‐preserved postural balance in the presence of TMJ internal derangement, put into serious question the potential influence of TMJ disorders on whole body posture and viceversa.
ISSN:0305-182X
1365-2842
DOI:10.1111/joor.12470