J Korean Acad Oral Maxillofac Radiol.
1999 Aug;29(2):407-410.
Magnetic resonance imaging of the temporomandibular joint
- Affiliations
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- 1Department of Dental Radiology, College of Dentistry, Pusan National University, Pusan, Korea.
Abstract
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PURPOSE: To find out the best imaging parameters for the diagnosis of disc in mri imaging.
MATERIALS AND METHODS
Compare the diagnostic quality of the disc among the T1, PD and T2 images of same patients(12 joints, 223 images) by visual(I-IV grades) and gray level measurement (pre- and infra-discal area) method.
RESULTS
PD images showed best results with 43.7% of the images belonging to grade III (good) and with statistically significant higher difference of the gray levels at pre- and infra-discal areas. But there were no grade IV(excellent) images.
CONCLUSIONS
PD images are best method among T1, PD and T2 images in diagnosing the disc but since there were no excellent images further imaging parameters should be studied for better images.
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