Diagnostic Value of Magnetic Resonance Imaging in Immediate Injury of Temporomandibular Joint Without Condylar Fracture

Li ZHANG; Li-rong YUE; Rui WANG; Yong CHEN; Wan-yuan YUE; Yu DING

doi:10.12259/j.issn.2095-610X.S20211228

Volume 42 Issue 12

Dec. 2021

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Article Navigation > Journal of Kunming Medical University > 2021 > 42(12): 106-111

Li ZHANG, Li-rong YUE, Rui WANG, Yong CHEN, Wan-yuan YUE, Yu DING. Diagnostic Value of Magnetic Resonance Imaging in Immediate Injury of Temporomandibular Joint Without Condylar Fracture[J]. Journal of Kunming Medical University, 2021, 42(12): 106-111. doi: 10.12259/j.issn.2095-610X.S20211228

Citation:

Li ZHANG, Li-rong YUE, Rui WANG, Yong CHEN, Wan-yuan YUE, Yu DING. Diagnostic Value of Magnetic Resonance Imaging in Immediate Injury of Temporomandibular Joint Without Condylar Fracture[J]. Journal of Kunming Medical University, 2021, 42(12): 106-111. doi: 10.12259/j.issn.2095-610X.S20211228

Citation:

Li ZHANG, Li-rong YUE, Rui WANG, Yong CHEN, Wan-yuan YUE, Yu DING. Diagnostic Value of Magnetic Resonance Imaging in Immediate Injury of Temporomandibular Joint Without Condylar Fracture[J]. Journal of Kunming Medical University, 2021, 42(12): 106-111. doi: 10.12259/j.issn.2095-610X.S20211228

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Diagnostic Value of Magnetic Resonance Imaging in Immediate Injury of Temporomandibular Joint Without Condylar Fracture

doi: 10.12259/j.issn.2095-610X.S20211228

Li ZHANG¹,
Li-rong YUE^{2
,
,},
Rui WANG¹,
Yong CHEN^{1
,
,},
Wan-yuan YUE¹,
Yu DING¹

1.
Stomatology Center
2.
Dept. of Radioligy，The Second People’s Hospital of Yunnan Province，Kunming Yunnan 650021，China

Received Date: 2021-09-06
Available Online: 2021-11-17
Publish Date: 2021-12-15

Abstract

Abstract

Objective To investigate the diagnostic value of MRI in immediate injury of temporomandibular joint without condylar fracture. Methods 36 patients with temporomandibular joint injury without condylar fracture treated in the Department of Oral and Maxillofacial Surgery of the Affiliated Hospital of Yunnan University from June 2018 to March 2021 were selected, with a total of 72 joints included in the study. Cone beam CT results of all patients showed that there was no fracture of condyle and articular fossa, and the bone on the surface of condyle was “complete” after injury. All patients had no history of joint diseases. After injury, they had varying degrees of joint pain, limited opening and popping. Among them, 24 cases were complicated with fractures of face and other parts. The included patients were examined by MRI, and the results were statistically analyzed. Results MRI showed that 48 joints had different degrees of injury, and the incidence was 66.7%. The injury types included 12 joints with bone marrow edema （25%）, 27 joints with posterior disc tear （56.25%）, 33 joints with disc displacement （68.75%）, and 36 joints with joint cavity hematocele and effusion （75%）. The incidence of posterior disc disruption, disc displacement, and intraarticular blood accumulation （bone effusion） were significantly higher than those of bone marrow edema（ P ＜0.05）. Conclusion MRI can clearly show the location and type of injury of joint soft tissue after immediate injury of temporomandibular joint without condylar fracture. In addition, in these injuries, the incidence of posterior disc tear, disc displacement, joint cavity hematocele （effusion） was significantly higher than that of bone marrow edema. MRI is an important examination and evaluation method after immediate injury of temporomandibular joint without condylar fracture.
- Magnetic resonance imaging （MRI）,
- Cone beam CT,
- No condylar fracture,
- Temporomandibular joint

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References(22)

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