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A COMPARATIVE STUDY ON ASSESSMENT OF CONDYLAR POSITION BY THE TMJ RADIOGRAPHY

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Abstract

ÀúÀÚ´Â ¿¬¼¼´ëÇб³ ÇлýÁß ¾Ç°üÀý ºÎÀ§¿¡ ÀÓ»óÀû Áõ»óÀÌ ¾ø°í ¾È¸ð¿Í Àü½Å»óÅ°¡ ¾çÈ£ÇÑ
25¼¼¿¡¼­ 32¼¼»çÀÌÀÇ ¼ºÀγ²ÀÚ .8¸íÀ» ¼±Á¤ÇÏ¿© Á߽ɱ³ÇÕ»óÅ¿¡¼­ ¾Ç°üÀý Ãø¹æ¹æ»ç¼±»çÁø°ú
µÎºÎÃà¹æÇâ ¹æ»ç¼±±Ô°Ý»çÁø ºÐ¼®¿¡ µû¸¥ ¾Ç°üÀý ´ÜÃþ¹æ»ç¼±»çÁøÀ» °¢°¢ ÃÔ¿µÇÏ¿© Á¿ìÃø ÃÑ
32¸ÅÀÇ ¾Ç°üÀý ¹æ»ç¼±»çÁø¿¡¼­ °üÀý¿Í³» °úµÎÀ§Ä¡°ü°è¸¦ °´°üÀû ¹× ÁÖ°üÀû ÃøÁ¤¹æ¹ý¿¡ µû¶ó
°¢°¢ ÃøÁ¤, ºÐ¼®ÇÑ ÈÄ ÀÌµé »óÈ£°ü°è¸¦ Åë°èó¸®ÇÏ¿© ´ÙÀ½°ú °°Àº °á·ÐÀ» ¾ò¾ú´Ù.
1. °¢°¢ÀÇ ÃøÁ¤¹æ¹ý¿¡ ÀÇÇÑ µÎ ÃøÁ¤±º »çÀÌÀÇ ÀÏÄ¡µÇ´Â ºñÀ²Àº °üÀý¿Í Áß¾ÓÁ¡À» ÀÌ¿ëÇÑ
¸éÀû ÃøÁ¤¹æ¹ý°ú °úµÎ Áß¾ÓÁ¡À» ÀÌ¿ëÇÑ ¸éÀû ÃøÁ¤¹æ¹ý¿¡¼­ °¡Àå ³ô°Ô ³ªÅ¸³µ´Ù.
2. °¢°¢ÀÇ ÃøÁ¤¹æ¹ý¿¡ ÀÇÇÑ µÎ ÃøÁ¤±º »çÀÌÀÇ ÀÏÄ¡µÇ´Â ºñÀ²Àº ÁÖ°üÀû ÃøÁ¤¹æ¹ý¿¡¼­´Â ±¤
ÀÇÀÇ ÀÏÄ¡°¡ 44%·Î ³ªÅ¸³µ°í, ÇùÀÇÀÇ ÀÏÄ¡´Â 25%·Î½á ºñ±³Àû ³·°Ô ³ªÅ¸³µ´Ù.
3. °¢°¢ÀÇ ÃøÁ¤¹æ¹ý¿¡ ÀÇÇÑ µÎ ÃøÁ¤±º »çÀÌÀÇ »ó°ü°ü°è´Â °üÀý¿Í Áß¾ÓÁ¡À» ÀÌ¿ëÇÑ ¸éÀû
ÃøÁ¤¹æ¹ýÀÌ °¡Àå ³ô°Ô ³ªÅ¸³µ´Ù.
4. °üÀý¿Í Áß¾ÓÁ¡À» ÀÌ¿ëÇÑ ¸éÀû ÃøÁ¤¹æ¹ý°ú ÁÖ°üÀû ÃøÁ¤¹æ¹ýÀÇ »ó°ü°ü°è´Â ¾Ç°üÀý Ãø¹æ
¹æ»ç¼±»çÁø±º¿¡¼­´Â 0.926À¸·Î ºñ±³Àû ³ô°Ô ³ªÅ¸³µ°í, ¾Ç°üÀý ´ÜÃþ¹æ»ç¼±»çÁø±º¿¡¼­´Â 0.743
À¸·Î °¡Àå ³·°Ô ³ªÅ¸³µ´Ù.
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The author obtained the transcranial radiographs of right and left side and the
individualized lateral tomograms of right and left side after the analysis of submental
vertex view from 8 young adults of 25-32 years with normal occlusion.
The condylar position from 32 radiographs of normal TMJs were assessed with each
measurement methods. All datas from these analyses were recorded and statlstically
processed with CYBER computer system.
The results were obtained as follows.
1. In each measurement methods, the area measurements using the midpoint fossa and
the midpoint condyle revealed the hightest concordance rate between the radiographic
pairs.
2. In the subjective evaluation, the qualitative concordance existed in 44% and the full
concordance existed in 25%, so it was found that concordance rates were relatively low
between the radiographic pairs.
3. In each measurement methods, the area measurement using the midpoint fossa
revealed the strongest correlation between the radiographic pairs.
4. The correlations between the area measurement using the midpoint fossa and
subjective evaluation revealed relatively strong value which is 0.926 in the transcranial
radiographic series and the lowest value which is 0.743 in the tomographic series.

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