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Comparison of Clinical and Magnetic Resonance Imaging Diagnoses in Patients with TMJ Lock Closed

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Abstract

ÃøµÎÇϾǰüÀýÀå¾Ö´Â Àüü Àα¸ÀÇ 30% ÀÌ»óÀÌ Áõ»óÀ» °¡Áö°í ÀÖ´Â ¸Å¿ì ÈçÇÑ ¸¸¼º µ¿Åë ÁúȯÀÓ¿¡µµ ºÒ±¸ÇÏ°í ¼³¹®Áö³ª ÀÓ»óÀû °Ë»ç¿¡ ÀÇÇÑ Æò°¡·Î´Â ƯÀ̼ºÀÌ ºÎÁ·ÇÏ¿© Àüü Àα¸ÀÇ À¯º´À²À̳ª ºÐÆ÷ÀÇ Æò°¡¿¡ ÇѰ踦 °¡Áö°í ÀÖ´Ù. À̸®ÇÑ ÃøµÎÇϾǰüÀýÀå¾ÖÀÇ Áø´ÜÀ» À§ÇØ ´Ù¾çÇÑ ÀÓ»óÀû Áø´Ü ±âÁØ ¹× ¿µ»ó Áø´Ü¹ýÀÌ ÀÌ¿ëµÇ°í ÀÖÀ¸³ª ¸íÈ®ÇÑ ÀûÀÀÁõÀÌ ¾øÀÌ ¹«ÀÛÀ§ÀûÀ¸·Î ÀÌ¿ëµÇ¾î ¿ÔÀ¸¸ç ±× ¹æ¹ýÀÇ ½Å·Ú¼ºÀÌ ¶ÇÇÑ ±Ô¸íµÇÁö ¾Ê¾Æ Áö¼ÓÀûÀÎ »ç¿ëÀÌ Å¸´çÇÑÁö¿¡ ´ëÇÑ ¿ëÀÌÇÑ ÇØ´äÀ» Á¦½ÃÇÏÁö ¸øÇÏ°í ÀÖ´Ù.
ÀÌ ¿¬±¸¸¦ ÅëÇÏ¿© Æ󱸼º °úµÎ°É¸³ÀÌ Àִ ȯÀÚ¸¦ ´ë»óÀ¸·Î ÃøµÎÇϾǰüÀýÀå¾Ö¸¦ À§ÇÑ ¿¬±¸Áø´Ü±âÁØ(Research diagnostic criteria for temporomandibular disorders, RDC/TMD)ÀÇ Áø´Ü´É·ÂÀ» ÀÚ±â°ø¸í¿µ»ó¼ú (magnetic resonance Imaging, MRI)À» ±âÁØ (gold standard)À¸·Î È®ÀÎÇØ º¸°íÀÚ ÇÏ¿´´Ù.
¼­¿ï´ëÇб³ Ä¡°úº´¿ø ±¸°­³»°ú ±¸°­¾Èº¯µ¿ÅëŬ¸®´Ð¿¡ 2001³âºÎÅÍ 2003³â 8¿ù±îÁö Æ󱸼º °úµÎ°É¸²À» ÁÖ¼Ò·Î ³»¿øÇÑ È¯ÀÚÁß MRI °Ë»ç¸¦ ¹ÞÀº 62¸í ȯÀÚÀÇ 124°³ °üÀýÀ» ´ë»óÀ¸·Î ÇÏ¿´À¸¸ç, Æò±Õ ¿¬·ÉÀº 28.0¡¾11.0¼¼ (¿¬·É ºÐÆ÷ 13-74¼¼)¿´´Ù. ȯÀڵ鿡°Ô ¿¬±¸°úÁ¤À» ¾Ë·Á ÁÖ°í µ¿ÀǸ¦ ¹Þ¾Ò´Ù
¸ðµç ȯÀÚµéÀº RDC/TMD¸¦ ÅëÇÑ ÀÓ»óÀû Áø´Ü¿¡ ÀÇÇØ °¢°¢ I) Á¤»ó ii) Á¤º¹¼º °üÀý¿øÆÇ º¯À§ (TMJ disc displacement without reduction), iii) ºñÁ¤º¹¼º °üÀý¿øÆǺ¯À§ (TMJ disc displacement without reduction)·Î Áø´ÜµÇ¾ú°í ÀÓ»óÁø´ÜÀÇ ½Å·Úµµ¸¦ ¾ò±â À§ÇØ MRI·Î È®ÀÎÇÏ¿´´Ù. ÀÓ»óÀûÀÎ Æò°¡¿¡´Â ÇÏ¾Ç ¿îµ¿ ¹üÀ§ (mandibular range of motion), °üÀýÅë (Joint pain), °üÀýÀ½ÀÇ Ã»Áø (auscultation of Joint sound) µîÀÇ Ç¥ÁØÈ­µÈ Æò°¡°¡ Æ÷ÇԵǾúÀ¸¸ç, MRI Æò°¡´Â TMJ ºÎÀ§ÀÇ µÎÁ¤º¯ ´Ü¸é ¹× ¾çÃø ½Ã»ó¸é ´Üº¯ ¿µ»óÀ» ±âÁØÀ¸·Î I) Á¤»ó, II) Á¤º¹¼º °üÀý¿øÆÇ º¯À§ (TMJ disc displacement with reduction), ¥²) ºñÁ¤º¹¼º °üÀý¿øÆǺ¯À§ (TMJ disc displacement without reduction) ·Î ºÐ·ùÇÏ¿© ´ÙÀ½°ú °°Àº °á·ÐÀ» ¾ò¾ú´Ù.
1. Æ󱸼º °úµÎ°É¸²ÀÌ ÀÖ´Â 62¸íÀÇ È¯ÀÚ¿¡¼­ 124°³ÀÇ °üÀýÀ» RDC/TMD ¹× MRl ·Î °Ë»çÇÑ °á°ú ºñÁ¤º¹¼º °üÀý¿øÆǺ¯À§°¡ ÀÖ´Â °üÀýÀÌ 70°³ (56.5%), Á¤º¹¼º °üÀý¿øÆǺ¯À§°¡ ÀÖ´Â °üÀýÀÌ 32°³ (25.8%), °üÀý¿øÆÇÀÌ Á¤»óÀ§Ä¡ ÀÎ °üÀýÀÌ 22°³ (17.7%) À̾ú´Ù.
2. Á¤º¹¼º °üÀý¿øÆǺ¯À§¿¡ ´ëÇÑ RDC/TMD ÀÇ ¿¹ÃøÄ¡´Â 0.59 À̾úÀ¸¸ç ¹Î°¨µµ´Â 54% À̾ú´Ù. ºñÁ¤º¹¼º °üÀý¿øÆÇ º¯À§¿¡ ´ëÇÑ RDC/TMDÀÇ ¿¹ÃøÄ¡´Â 0.79 À̾úÀ¸¸ç ¹Î°¨µµ´Â 83% À̾ú´Ù. Á¤º¹¼º ¿©ºÎ¿Í »ó°ü¾øÀÌ °üÀý¿øÆÇ º¯À§ Àüü¿¡ ´ëÇÑ RDC/TMDÀÇ ¿¹ÃøÄ¡´Â 0.85À̾úÀ¸¸ç ¹Î°¨µµ´Â 86% À̾ú´Ù µû¶ó¼­, RDC/TMD´Â °üÀý¿øÆÇ º¯À§¿¡ ´ëÇÑ Áø´Ü¿¡ À¯¿ëÇϳª °üÀý¿øÆǺ¯À§ÀÇ Á¤º¹¼º ¿©ºÎ¿¡ ´ëÇÑ Áø´Ü¿¡´Â ÇÑ°è°¡ ÀÖ¾ú´Ù.
3. RDC/TMD Æò°¡¿¡ ÀÇÇØ °üÀý¿øÆÇÀÌ Á¤»óÀ§Ä¡ÀÎ °üÀýÀº 22°³ À̾ú´Ù, ÀÌ Áß 8°³ÀÇ °üÀý (36.4%) ÀÌ MRI¿¡ ÀÇÇØ Á¤»óÀ§Ä¡·Î È®ÀεǾú´Ù ±×¸®°í 10°³ÀÇ °üÀý (45.5%) ÀÌ MRI¿¡ ÀÇÇØ Á¤º¹¼º °üÀý¿øÆǺ¯À§·Î ¹àÇôÁ³À¸¸ç, 4°³ÀÇ °üÀý (18.2%)ÀÌ ºñÁ¤º¹¼º °üÀý¿øÆǺ¯À§·Î ¹àÇôÁ³´Ù µû¶ó¼­, RDC/TMD ´Â °üÀý¿øÆÇ À§Ä¡°¡ Á¤»óÀÓÀ» Áø´ÜÇϴµ¥ ÇÑ°è°¡ ÀÖ¾ú´Ù.
4. ÀüüÀûÀ¸·Î º¼ ¶§, RDC/TMD¿Í MRI ÀÇ Áø´Ü °á°ú°¡ ÀÏÄ¡ÇÏ´Â ºñÀ²Àº 66.1% À̾úÀ¸¸ç kappa °ªÀº 0.43 À¸·Î º¸Åë Á¤µµÀÇ ÀÏÄ¡µµ¸¦ º¸¿´´Ù (p≶0.0l). ¼¼ºÎÀûÀ¸·Î º¸¸é ºñÁ¤º¹¼º °üÀý¿øÆÇ º¯À§¿¡ ´ëÇÑ ÀÏÄ¡ ºñÀ²Àº 78.6%, Á¤º¹¼º °üÀý¿øÆÇ º¯À§¿¡ ´ëÇÑ ÀÏÄ¡ ºñÀ²Àº 59.4%, Á¤»ó À§Ä¡¿¡ ´ëÇÑ ÀÏÄ¡ ºñÀ²Àº 36.4% À̾ú´Ù.
ƯÈ÷ °³±¸ Á¦ÇÑÀÌ Àִ ȯÀÚ¿¡¼­ ÀÓ»óÀûÀ¸·Î °üÀý¿øÆÇÀÌ Á¤»óÀÓÀ» È®ÁøÇϱâ´Â ¾î·Æ´Ù µû¶ó¼­ MRI ¿¡ ÀÇÇÑ Áø´ÜÀÌ ºÎ°¡ÀûÀ¸·Î ÇÊ¿äÇÏ´Ù.

Temporomandibular disorders (TMD) is one of the most common chrome pam disorders In orofacial area that more than 30£¥ of the members of the general population have at least one of these symptoms Regardless of this high prevalence rate, estimates of the prevalence and distribution of divided In the general population have been limited by the poor Specificity of questionnaire and chemical examination data The purpose of the present study is to validate the RDC/TMD for the diagnostic subgroup of ruse displacement without reduction, with MRI diagnosis used as a gold standard.
Sixty-two subjects(124 Joints) were selected from patients, who visited the orofacial pam clinic In the Department of Oral Medicine at the Seoul National University Dental Hospital All participants were diagnosed as 1)normal(no disk displacement ,NDD), ii)disc displacement with reduction(DD-R), iii)disc displacement without reduction(DD-NR) according to the RDC/TMD and the subjects underwent and Mill investigation The chemical assessment consisted of a standardized evaluation of mandibular range of motion, Joint pain and auscultation of Joint sounds MR Images of 15 coronal and 10 parasagittal shces were obtained of each TMJ and diagnosis of the rusk-condyle relationship was categorized as I)normal (no disk displacement,NDD), ii)disk displacement with reduction(DD-R), iii)disk displacement without reduction (DD-NR).
The obtained results were as follows;
1. 124 joints in 62 patients were involved in the present study, who had mouth-opening limitation of the 124 joints clinically diagnosed, the Joints with DD-NR, DD-R and NDD were 70 (56.5%), 32 (25.8%), 22 (17.7%) respectively.
2. The predictive value of the RDC/TMD examination for DD-R was 0.59 (sensitivity 54%) and the predictive value of the RDC/TMD examination for DD-NR was 0.79 (sensitivity 86%) the predictive value of the RDC/TMD for disk displacement alone, including DD-R and DD-NR, was 0.85 (sensitivity 86%) Thus, RDC/TMD is useful for diagnosing the disc displacement alone But RDC/TMD has limiting value of diagnosing the subtype of the ruse displacement.
3. 22 joints were clinically found to he NDD in 8 of these joints (36.4%), a normal rusk position was confirmed by MRI; in 10 joints (45.5%), Mill revealed DD-R, and in 4 Joints (18.2%), the MRI showed DD-NR Thus, RDC/TMD has the limiting value of ruagnosmg the NDD (The low agreement resultd from the high number of false negative diagnoses in asymptomatic Joints This means that there is low correlation between the disk chsplacement and the clock or clock history,).
4. The overall diagnostic agreement between the RDC/TMD diagnoses and MRI diagnoses was 66.1% with a fair kappa value of 0.43 (p≶0.01), but ruagnastic agreement ratio of the DDNR, DDR, NDD were 78.6%, 59.4%, 36.4% respectively.
Especially in patients with mouth opening limitatIion diagnosed as normal by clinical examinations, diagnostic Imaging methods such as MRI was meaningful.

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