Abstract:
:The purpose of this study was to evaluate abnormal magnetic resonance imaging (MRI) findings related to temporomandibular joint (TMJ) pain. This study included 245 joints of 152 patients with temporomandibular disorders with anterior disc displacement; of these, 129 joints had joint pain whereas 116 joints had no joint pain. MRI was used to evaluate the reduction of anterior disc displacement, joint effusion, mandible condylar morphology, bone marrow oedema of the mandibular condyle, and signal intensity of the posterior disc attachment (PDA) on fat-suppressed T2-weighted images. The odds ratio (OR) for each MRI variable for the pain group versus the no pain group was computed using logistic regression analysis. Univariate logistic regression analysis showed significant correlations between TMJ pain and all MRI findings. Multivariate logistic regression analysis showed significant correlations with joint effusion (P=0.03, OR 2.21), bone marrow oedema (P<0.001, OR 11.75), and signal intensity of the PDA (P<0.001, OR 6.21). These results suggest that bone marrow oedema, high signal intensity of the PDA on fat-suppressed T2-weighted images, and joint effusion, in descending order of influence, are factors related to TMJ pain.
journal_name
Int J Oral Maxillofac Surgjournal_title
International journal of oral and maxillofacial surgeryauthors
Higuchi K,Chiba M,Sai Y,Yamaguchi Y,Nogami S,Yamauchi K,Takahashi Tdoi
10.1016/j.ijom.2019.06.028subject
Has Abstractpub_date
2020-02-01 00:00:00pages
230-236issue
2eissn
0901-5027issn
1399-0020pii
S0901-5027(19)31225-1journal_volume
49pub_type
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