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KMID : 0355220160410020041
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Journal of Korean Academy Oral Medicine
2016 Volume.41 No. 2 p.41 ~ p.47
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Cone-Beam Computed Tomographic Assessment of Temporomandibular Joint Morphology in Patients with Temporomandibular Joint Disc Displacement and in Healthy Subjects: A Pilot Study
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Choi Hang-Moon
Park Moon-Soo
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Abstract
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Purpose: The purpose of this study was to analyze the size and morphology of mandibular condyle and mandibular fossa between temporomandibular joint (TMJ) disc displacement (DD) patients and healthy subjects using cone-beam computed tomography (CBCT).
Methods: Twenty healthy subjects and twenty TMJ DD patients participated in this study respectively. We made five measurements in mandibular condyle (medio-lateral dimension, antero- posterior dimension, condyle height, intercondylar distance and intercondylar angle) and two measurements in mandibular fossa (mandibular fossa depth and articular eminence angle) using CBCT image.
Results: There was no difference between two groups in medio-lateral dimension. In case of antero-posterior dimension, average of healthy controls was larger than that of TMJ DD patients, but that was not significant statistically. There were no significant differences between two groups in condyle height. Comparing intercondylar distance and intercondylar angle between two groups, there was no significant difference between two groups. In comparison of mandibular fossa depth and articular eminence angle, there was no significant difference between two groups.
Conclusions: We couldn’t find any definite relationship between TMJ morphology and TMJ DD.
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KEYWORD
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Cone-beam computed tomography, Disc displacement, Morphology, Temporomandibular joint
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