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KMID : 0376319910030010321
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Dental Journal of CNU
1991 Volume.3 No. 1 p.321 ~ p.333
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VALIDITY OF CLINICAL, TRANSCRANIAL RADIOGRAPHIC AND MAGNETIC RESONANCE IMAGING METHOD IN THE DIAGNOSIS OF INTERNAL DERANGEMENT OF TEMPOROMANDIBULAR JOINT
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Abstract
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The purpose of this study was to evaluate the validity among the clinical, transeranial radiographic and MRI diagw sis in internal derangement of the temporomandibular joint Fourty two temporomandibular joints were assessed in twenty one patients who visited the dental department of Chonnam National University Hospital with the complaint of temporomandibular disorder from Od; 1990 to Oct 1991.
The results were as follows :
1. In the clinically symptomatic 29 TRIs, 26(89.7%) joints reveal disc displacement and 3(10.3%) joints reveal normal disc position on MRI. The sensitivity of clinical diagnosis was 0.77, and the specificity was 0.63.
2. In the normal 22 T1Vus on the transcranial radiographic finding, 16(72.7%) joints reveal disc displacement, and 6(273%)joints reveal normal disc position on MRI. In the abnormal 20 TMJs on the transcranial radiographic finding, 18(90%)joints reveal disc displacement, and 2(10%) joints reveal normal disc position on MRI. The sensitivity of transcranial radiograph vras 0.53, and the specificity was 0.75.
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