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ORIGINAL ARTICLE
Year : 2019  |  Volume : 7  |  Issue : 2  |  Page : 30-33

Characteristics of the patients with temporomandibular joint effusion on magnetic resonance imaging


1 Department of Oral and Maxillofacial Radiology, The Nippon Dental University School of Life Dentistry at Niigata, Niigata, Japan
2 Department of Removable Prosthodontics, The Nippon Dental University School of Life Dentistry at Niigata, Niigata, Japan
3 Comprehensive Dental Care, The Nippon Dental University Niigata Hospital, Niigata, Japan
4 Dental Anesthesia and General Health Management, The Nippon Dental University Niigata Hospital, Niigata, Japan
5 Laboratory of Dental Technology, The Nippon Dental University Niigata Hospital, Niigata, Japan

Correspondence Address:
Ichiro Ogura
Department of Oral and Maxillofacial Radiology, The Nippon Dental University School of Life Dentistry, 1-8 Hamaura-Cho, Chuo-Ku, Niigata, Niigata 951-8580
Japan
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/jomr.jomr_20_19

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Background: Magnetic resonance imaging (MRI) is widely used in the region of temporomandibular joint (TMJ), particularly to examine disc position and configuration, posterior disc attachment, and mandibular marrow status and to assess the presence of TMJ effusion. Aims: The aim of this study is to investigate the characteristics of the patients with TMJ effusion on MRI. Materials and Methods: MR images of 98 TMJs of 49 patients with temporomandibular disorders were evaluated in this study. The patients with TMJ effusion were concerning age, gender, TMJ pain, disc displacement with or without reduction, and osteoarthrosis. Results: The incidence of the patients with TMJ effusion was significantly different between male (19.2%) and female (51.4%, P = 0.005) and between TMJ pain present (53.7%) and absent (29.5%, P = 0.024), respectively. Logistic multivariate regression analysis demonstrated that gender (odds ratio = 4.188, P = 0.012) and TMJ pain (odds ratio = 2.704, P = 0.027) were significant in patients with TMJ effusion. Conclusions: This study suggests that characteristics of the patients with TMJ effusion include female and TMJ pain.


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