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Condylar and Ramal Vertical Asymmetry of Temporomandibular Disorders in Panoramic Radiographs

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Abstract

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5. ÇϾǰúµÎ¿Í ÇϾÇÁö ¼öÁ÷ºñ´ëĪÁö¼ö ¸ðµÎ ¿¬·ÉÁõ°¡¿Í °ü·ÃÀÌ ¾ø¾ú´Ù.
ÀÌ»óÀÇ °á°ú´Â ÃøµÎÇϾÇÀå¾Ö±ºÀÌ Á¤»óÀο¡ ºñÇØ ÇϾǰúµÎ ¼öÁ÷ºñ´ëĪÁö¼ö°¡ ³ô°Ô ³ªÅ¸³ª, ÀÌ·¯ÇÑ Â÷ÀÌ°¡ ÃøµÎÇϾÇÀå¾Ö¿Í °ü·ÃÀÌ ÀÖÀ½À» ½Ã»çÇÏ¿´´Ù. µû¶ó¼­ Æijë¶ó¸¶ ¹æ»ç¼±»çÁøÀ» ÀÌ¿ëÇÑ ÇϾǰúµÎ ¼öÁ÷ºñ´ëĪÁö¼ö ÃøÁ¤Àº ÃøµÎÇϾÇÀå¾Ö Áø´Ü°ú Ä¡·á½Ã °í·ÁÇØ¾ß ÇÒ Áß¿äÇÑ ºÎºÐÀ¸·Î »ç·áµÈ´Ù.

The purpose of this study was to examine the difference of condylar and ramal vertical asymmetric indices on paonramic radiographs between temporomandibular disorder patients and normal group and according to classification of temporomandibular disorders.
One hundred and twenty temporomandibular disorder patients and thirty normal individuals were selected. After tracing the panoramic radiographs, measurements for asymmetric indices were identified.
The means and standard deviations of the measurement of each group were calculated and compared between two groups. Through the comparison of the measurement between two groups, following results were obtained
1. As a result of comparing condylar and ramal vertical asymmetry indices of the temporomandibular disorder patients with that of normal group, there was significant difference in condylar vertical asymmetry index between two groups and no significant difference in ramal vertical asymmetry index between two groups.
2. Condylar and ramal vertical asymmetry indices of temporomandibular joint disorder and muscle disorder patients showed greater value than normal group, but there was no significant difference between temporomandibular joint disorder patients and muscle disorder patients.
3. Among temporomandibular joint disorder patients, muscle disorder patients, and normal group, there was only significant difference in condylar vertical asymmetry index between temporomandibular joint disorder patients and normal group.
4. Among disc displacement, disc dislocation with reduction, and disc dislocation without reduction, there were no significant difference in condylar and ramal vertical asymmetry indices.
5. There were no correlation between aging and condylar and ramal vertical asymmetry indices.
The results of the present study showed that condylar vertical asymmetry index of temporomandibular disorder patients showed greater values than normal group, and this difference could be considered as the features of temporomandibular disorders. Thus measuring the condylar vertical asymmetry index on panoramic radiographs is considered as the important factor for diagnosis and treatment of temporomandibular disorders.

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