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Abstract

Á¤»óÀÎ 10¸í°ú °üÀýÀâÀ½À» °®°í Àְųª °³±¸ Á¦ÇÑÀÌ Àִ ȯÀÚ 16¸í¿¡ ´ëÇÏ¿© Hitachi-W
500À» ÀÌ¿ëÇÏ¿© Á߽ɱ³ÇÕÀ§¿Í 18§® °³±¸À§¿¡¼­ ¾Ç°üÀýÀÇ Àü»êÈ­´ÜÃþ ÃÔ¿µÀ» ½ÃÇàÇÏ¿´´Ù. Àü
»êÈ­ ´ÜÃþ ÃÔ¿µÀÇ ¿©·¯ ±â´ÉÁß »ó ÀçÇü¼º ±â´É°ú windowÀÇ º¯È­¿Í non-linear fraction ½Ã
Çà¿¡ ÀÇÇØ ¾ò¾îÁø »ó¿¡¼­ ¹æ»ç¼± °¨¼èµµ¸¦ ÃøÁ¤ÇÏ¿© 3Â÷¿øÀû ºÐ¼®À» ÅëÇؼ­ Á¤»ó±º°ú ȯÀÚ
±ºÀ» ºñ±³ÇÏ¿© ´ÙÀ½°ú °°Àº °á·ÐÀ» ¾ò¾ú´Ù.
1. Á¤»óÀο¡¼­ °üÀý¿øÆÇÀÇ Àü¹æ band´Â ÁÖÀ§±ÙÁ¶Á÷°ú À¯»çÇÑ ÈæÈ­µµ¸¦ ³ªÅ¸³Â´Ù.
2. ȯÀÚ±ºÀÇ ½Ã»ó¸é ÁÖ»ç»ó¿¡¼­ °üÀý¿øÆÇÀÌ Àü¹æº¯À§ µÇ¾ú°í °úµÎÀü¹æ ¹× °üÀýÀ¶±â Á÷ÇÏ
¹æ¿¡ ±ÙÁ¶Á÷º¸´Ù Áõ°¡µÈ ¹æ»ç¼± ºÒÅõ°ú»óÀ¸·Î ³ªÅ¸³µ´Ù.
3. ȯÀÚ±ºÀÇ °ü»ó¸é ÁÖ»ç»ó¿¡¼­ °üÀý¿øÆÇÀº Àü¹æ³»ÃøÀ¸·Î º¯À§µÇ¸ç °úµÎ°¡ ÈÄ¿ÜÃøÀ¸·Î ȸ
Àü º¯À§µÇ¾î ³ªÅ¸³µ´Ù.
4. Non-linear fraction±â´ÉÀº Àü¹æº¯À§µÈ °üÀý¿øÆÇÀÇ »óÀ» ¶Ñ·ÇÇÏ°Ô º¸¿© ÁÖ¾ú´Ù.
hkey :
esub : A STUDY ON THE INTERNAL DERANGEMENT OF TEMPOROMANDIBULAR JOINT BY COMPUTED TOMOGRAM
eauth : Dae-Hee Cho, Jae-Duk Kim
esosock : Department of Oral Radiology, College of Dentistry, Chosun University
-Abstract-
This study was performed to clarify the mechanism of clicking sound and locking on
temporomandibular joint and to determine the radiographic findings of them by using
computed tomogram.
Through the preliminary study with cadavers, the proper scanning condition and the
correlationship between the anatomy of cadaver and computed tomogram had been
determined.
The subjects were consisted of 10 controls and 16 patients having clicking sound or
locking on temporomandibular joint.
By using Hitachi-W500 as computed tomographic device, direct axial views and
sagittal views reformed according to the changes in window setting and using the
non-linear fraction were taken and analysed by visual method and measuring the
attenuation numbers.
The obtained results were as follows:
1. The density of the anterior band of meniscus showed isodense to the surrounding
muscles in normal.
2. In patient group, affected side showed increased radiopaque area anterior to condyle
and underneath articular eminence as the feature of anteriorly displaced meniscus on
axial and sagittal views.
3. In patient group, the condyle was rotated postero-laterally in affected side.
4. Non-linear fraction highlightened the feature of anteriorly displaced meniscus.

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