Clinical Study on T2 Mapping Evaluation of Joint Disc Characteristics in Patients with Temporomandibular Joint Dysfunction Syndrome

Shizhen HE; Xiaoyu WEI; Chen LIU; Li ZHANG; Lirong YUE; Peng WANG

doi:10.12259/j.issn.2095-610X.S20250612

Volume 46 Issue 6

Jun. 2025

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Article Navigation > Journal of Kunming Medical University > 2025 > 46(6): 96-102

Shizhen HE, Xiaoyu WEI, Chen LIU, Li ZHANG, Lirong YUE, Peng WANG. Clinical Study on T2 Mapping Evaluation of Joint Disc Characteristics in Patients with Temporomandibular Joint Dysfunction Syndrome[J]. Journal of Kunming Medical University, 2025, 46(6): 96-102. doi: 10.12259/j.issn.2095-610X.S20250612

Citation:

Shizhen HE, Xiaoyu WEI, Chen LIU, Li ZHANG, Lirong YUE, Peng WANG. Clinical Study on T2 Mapping Evaluation of Joint Disc Characteristics in Patients with Temporomandibular Joint Dysfunction Syndrome[J]. Journal of Kunming Medical University, 2025, 46(6): 96-102. doi: 10.12259/j.issn.2095-610X.S20250612

Citation:

Shizhen HE, Xiaoyu WEI, Chen LIU, Li ZHANG, Lirong YUE, Peng WANG. Clinical Study on T2 Mapping Evaluation of Joint Disc Characteristics in Patients with Temporomandibular Joint Dysfunction Syndrome[J]. Journal of Kunming Medical University, 2025, 46(6): 96-102. doi: 10.12259/j.issn.2095-610X.S20250612

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Clinical Study on T2 Mapping Evaluation of Joint Disc Characteristics in Patients with Temporomandibular Joint Dysfunction Syndrome

doi: 10.12259/j.issn.2095-610X.S20250612

Department of Radiology，Affiliated Hospital of Yunnan University/ The Second People’s Hospital of Yunnan Province/Eye Hospital of Yunnan Province，Kunming Yunnan 650021，China

Received Date: 2024-11-30
Publish Date: 2025-06-25

Abstract

Abstract

Objective To quantitatively evaluate structural changes in the TMD disc using magnetic resonance T2 mapping technology at open and closed mouth positions, and assess its significance. Methods 127 newly diagnosed patients with TMD and 51 controls in the Department of Oral and Maxillofacial Surgery of the Affiliated Hospital of Yunnan University from June 2023 to January 2024 were prospectively collected. All subjects underwent routine TMJ sequence and T2 mapping sequence scans. After scanning, the pseudo-color images were processed, and T2 values of the joint disc （anterior and posterior bands） were measured at open and closed mouth positions to analyze their correlation with TMD disc displacement. Results The T2 values of the posterior zone of the joint disc in both open and closed positions were higher than those in the anterior zone of the joint disc in the case group （P < 0.05）; for different anterior displacement degrees of the joint disc, T2 values showed a progressive increase from the normal position group to the mild and moderate anterior displacement groups, while the severely displaced group demonstrated a decreasing trend （P < 0.01）; joint clicking and occlusal abnormalities were independent risk factors for non-reducible anterior joint disc displacement in TMD patients. Conclusion Scans during both mouth-opening and closing positions can be used to assess joint disc injury in TMD; T2 mapping technology can quantitatively and sensitively reflect changes in the biochemical composition of joint disc microstructure.
- Temporomandibular joint disorder syndrome,
- Magnetic resonance imaging,
- T2 mapping,
- Articular disc,
- Temporomandibular joint

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References(22)

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