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A Comparative Study Of Three-Dimensional Reconstructive Images Of Temporomandibular Joint Using Completed Tomogram

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Abstract

º» ¿¬±¸´Â ÃøµÎÇϾǰüÀýÀÇ °ø°£Àû À§Ä¡ °ü°è¸¦ º¸´Ù ¸íÈ®È÷ Æò°¡ÇÏ°í ¾Ç°üÀýÀå¾ÖÀÇ Áø´Ü
½Ã µµ¿òÀ» ÁÖ°íÀÚ Á¤»ó¼ºÀÎÀÇ ÃøµÎÇϾǰüÀýÀ» ´ë»óÀ¸·Î Àü»êÈ­´ÜÃþ»çÁøÀ» ÃÔ¿µÇÑ ÈÄ Àü»êÈ­
´ÜÃþÃÔ¿µÀåÄ¡¿Í ÄÄÇ»ÅÍ¿µ»óºÐ¼®ÀåÄ¡¸¦ ÀÌ¿ëÇÏ¿© »ïÂ÷¿øÀ籸¼º»óÀ» ¾ò°í À̸¦ ºñ±³ ºÐ¼®ÇÏ¿©
´ÙÀ½°ú °°Àº °á°ú¸¦ ¾ò¾ú´Ù.
1. ÃøµÎÇϾǰüÀýÀÇ °ñ ±¸Á¶¿Í °üÀý¿øÆÇÀº »ïÂ÷ ¿øÀü»êÈ­´ÜÃþ»çÁøº¸´Ù Àü»êÈ­´ÜÃþ»çÁø¿¡¼­
´õ Àß °üÂûµÇ¾ú´Ù.
2. °üÀý¿øÆÇÀº Á÷Á¢½Ã»ó¸éÀü»êÈ­´ÜÃþ»çÁø»ó ¹× °ü»ó¸éÀü»êÈ­´ÜÃþ»çÁø¿¡¼­ Àß °üÂûµÇ¾ú´Ù.
3. »ïÂ÷¿øÀü»êÈ­´ÜÃþ»çÁø»ó¿¡¼­ °üÀý¿øÆÇÀÇ À§Ä¡´Â °üÂûÇÒ ¼ö ÀÖ¾úÀ¸³ª ±× ÇüÅ´ ºÒºÐ¸í
ÇÏ¿´´Ù.
4. »ïÂ÷¿øÀü»êÈ­´ÜÃþ»çÁø»óÀÌ ÄÄÇ»ÅÍ ¿µ»óºÐ¼®»çÁø»óº¸´Ù ¿ÜÇüÀÌ ´õ ºÎµå·¯¿î ¹Ý¸é ÄÄÇ»
ÅÍ¿µ»óºÐ¼®ÀåÄ¡ÀÇ »óÀÇ ¿ø±Ù°¨ÀÌ ´õ ÁÁ¾Ò´Ù.
5. »ïÂ÷¿øÀ籸¼º»ó¿¡¼­ °ø°£Àû À§Ä¡ °ü°è¸¦ ´õ Àß ÀÎÁöÇÒ ¼ö ÀÖ¾ú°í Àý´Ü¸é »ó¿¡¼­ °üÀý
°­ÀÌ ´õ Àß °üÂûµÇ¾ú´Ù.
#ÃÊ·Ï#
The purpose of this study was to clarify the spatial relationship of temporomandibular
joint and to an aid in the diagnosis of temporomandibular disorder. For this study,
three-dimensional images of normal temporomandibular joints were reconstructed by
computer image analysis system and three-dimensional reconstructive program integrated
in computed tomography.
The obtained results were as follows.
1. Two-dimensional computed tomograms had the better resolution than three
dimensional computed tomograms in the evaluation of bone structure and the disk of
TMJ.
2. Direct sagittal computed tomograms and coronal computed tomograms had the
better resolution in the evaluation of the disk of TMJ.
3. The positional relationship of the disk could be visualized, but the configuration of
the disk could not be clearly visualized on three-dimensional reconstructive CT images.
4. Three-dimensional reconstructive CT images had the smoother margin than
three-dimensional images reconstructed by computer image analysis system, but the
images of the latter had the better perspective.
5. Three-dimensional reconstructive images had the better spatial relationship of the
TMJ articulation, and the joint spaces were more clearly visualized on dissection images.

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