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. 2015 Aug;7(8):1-4.

Temporomandibular Joint Hypermobility Manifestation Based on Clinical Observations

Saeid Nosouhian  1 , Abbas Haghighat  2 , Iman Mohammadi  2 , Elham Shadmehr  3 , Amin Davoudi  4 , Hamid Badrian  5
Affiliations

Temporomandibular Joint Hypermobility Manifestation Based on Clinical Observations

Saeid Nosouhian et al. J Int Oral Health. 2015 Aug.

Abstract

Background: Joint range of motion might affected by some factors like laxity and increase joint mobility. Generalized joint hypermobility and temporomandibular joint hypermobility (TMJH) are reported as risk factors for temporomandibular disorders. The aim of this study was to survey the etiological factors of TMJH and its relations to habitual status.

Materials and methods: In this cross-sectional descriptive study, 69 patients with TMJH were involved. After profiling personal information and medical history, the patients were divided into three groups based on their maximum mouth opening (MMO) as follow: (Light) MMO of 50-55 mm, (moderate): MMO between 55 and 65 mm, (severe) MMO >65 mm. For subjective observations, patients were asked to fill the prepared questionnaire. The objective evaluations conducted by a specialist. Finally, all the data subjected Chi-Square test by using SPSS software version 22 at a significant level of 0.05.

Results: TMJH was more common in women (74.2%). The light group had significant differences with other groups in the discomfort of TMJ and TMJ sound (P < 0.05). Furthermore, sever group manifested highest percentage of masticatory pains, significantly (P < 0.05).

Conclusion: It can be concluded that pain in TMJ would have a correlation with MMO.

Keywords: Generalized joint hypermobility; Temporomandibular joint; Temporomandibular joint disorder.

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Conflict of interest statement

Conflicts of Interest: None

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