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A STUDY ON TEMPOROMANDIBULAR JOINT DYSFUNCTION USING MAGNETIC RESONANCE IMAGING

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Abstract

ÀÚ±â°ø¸í¿µ»óÀåÄ¡¿Í Ç¥¸éÄÚÀÏÀ» ÀÌ¿ëÇÏ¿© Á¤»óÀÎ 5¸í°ú °üÀýÀâÀ½ÀÌ Àְųª °üÀý°É¸²À» °®
´Â ¾Ç°üÀý±â´ÉÀå¾ÖȯÀÚ 11¸íÀÇ ¾Ç°üÀýÀ» ´ë»óÀ¸·Î CSMEMP, GRASS, MPGR °íÁÖÆÄ ÆÞ½º
¹æ½Ä¿¡ µû¶ó ¿µ»óÀ» äµæÇÏ¿´´Ù. ¿µ»óäµæÀº °úµÎ¿¡ ´ëÇØ °³, Æ󱸽à ½Ã»ó»ç¸é ¹× °ü»ó»ç¸é
ÀÇ ¿©·¯¸íÀ» ÁÖ»çÇÑ µÚ ¾Ç°üÀý ±â´ÉÀå¾ÖȯÀÚ¿Í Á¤»óÀÇ ¿µ»óÀ» ºñ±³ºÐ¼®ÇÏ¿© ´ÙÀ½°ú °°Àº °á
·ÐÀ» ¾ò¾ú´Ù.
1 °üÀýÀâÀ½À» °®´Â ¾Ç°üÀý ±â´ÉÀå¾ÖÀÚÀÇ °æ¿ì CAMEMP°íÁÖÆÄ ÆÞ½º ¹æ½Ä°ú MPGR °íÁÖ
ÆÄ ÆÞ½º ¹æ½Ä¿¡ ÀÇÇÑ ¿©·¯´Ü¸é»ó¿¡¼­ Æó±¸À§Ä¡½ÃÀÇ Àü¹æº¯À§µÈ °üÀý¿øÆÇ°ú ÈĹæÀδ밣ÀÇ»ó
À» Á¤¸³ÇÏ¿´´Ù.
2. MPGR °íÁÖÆÄ ÆÞ½º ¹æ½Ä¿¡ ÀÇÇÑ »ó¿¡¼­ °³±¸À§½Ã Á¤»ó¾Ç°üÀý°ú °°ÀÌ °üÀý°­¾×ÀÌ °üÀý
¿Í¿Í °úµÎÈĹæºÎ¿¡¼­ ¶Ñ·ÇÇÑ ¿¡³ÊÁö ½ÅÈ£¸¦ ³»¾î ¿ª»ï°¢ÇüÀÇ Èò ¿µ»óÀ» ³ªÅ¸³»¾ú´Ù.
3. GRASS °íÁÖÆÄ ÆÞ½º ¹æ½Ä¿¡¼­ °³±¸À§°ü»ó»ç¸é»ó¿¡¼­ Á¤»ó°ú °°ÀÌ ¾Ç°üÀý °üÀý¿øÆÇÀ»
µÑ·¯½Î´Â °üÀý°­¾×ÀÌ ÀÎÁ¤µÇ¾ú´Ù.
4. ¾Ç°üÀý ±â´É Àå¾ÖÀÚÀÇ °æ¿ì GRASS °íÁÖÆÄ ÆÞ½º ¹æ½Ä¿¡¼­ Æ󱸽à Á¤»ó ¾Ç°üÀý»ó¿¡¼­
±ÙÀ°ÀÇ »óÀ» º¸ÀΰͰú´Â ´Þ¸® °úµÎÀü¹æºÎÀ§ÀÇ º¯À§µÈ °üÀý¿øÆÇÀÇ »óÀÌ °üÂûµÇ¾ú´Ù.
5. ¾Ç°üÀý±â´ÉÀå¾ÖÀÚÀÇ °æ¿ì ¿ÜÃøÀ͵¹±ÙÀÇ »ó, ÇÏ ÆØ´ëºÎ°£ÀÇ ±Ù¸·ÆÇ»ó±¸Á¶°¡ Á¤»ó ¾Ç°üÀý
»óº¸´Ù µÎÅÍ¿öÁö´Â »óÀº °üÂûÇÒ ¼ö ¾ø¾ú´Ù.
#ÃÊ·Ï#
The temporomandibular joint was evaluated using magnetic resonance imaging using a
surface coil in 11 patients having reciprocal clicking or locking and compared with the
normal joint in five subjects.
Serial multisection 3§®-thick parasagittal, paracoronal, and axial image on both closing
and opening mouth were obtained with a 1.5 Tesla MR system and surface coil using
CSMEMP, GRASS, MPGR, powerful extensions of fast imaging that is currently under
clinical evaluation.
MR images obtained were analized correlating with the theory of internal
derangement.
The obtained results were as follows:
1. The serial findings of structures in joint were determined on the serially sectioned
images of joint with reciprocal clicking or locking by CSMEMP and MPGR on closing
mouth.
2. The delta shaped white images of synovial fluid in the glenoid fossa and on the
posterior surface of condyle were revealed on the parasagittal images by MPGR on
opening mouth as in the normal joints.
3. The white image of joint fluid surrounding meniscus was recognized on the
paracoronal image by GRASS on opening mouth as in the normal joints.
4. In joints having temporomandibular dysfunction the smooth image of displaced
meniscus was recognized, but otherwise in the normal joints the image of muscle was
noted on the paracoronal image sectioned at the anterior portion of condyle by GRASS.
5. The more thickened fascial plane between superior and inferior belly of lateral
pterygoid muscle was not recognizable in joints having temporomandibular dysfunction
than in the normal joints.

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