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Comparison of bony changes between panoramic radiograph and cone beam computed tomographic images in patients with temporomandibular joint disorders

Korean Journal of Orthodontics 2010³â 40±Ç 6È£ p.364 ~ 372
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À̵¿·Ä ( Lee Dong-Yul ) - °í·Á´ëÇб³ ÀÓ»óÄ¡ÀÇÇдëÇпø ±³Á¤Çб³½Ç
±è¿¬Áß ( Kim Yun-Jung ) - °³¿øÀÇ (Private Practice)
¼ÛÀ±Çå ( Song Yun-Heon ) - °³¿øÀÇ (Private Practice)
À̳²È£ ( Lee Nam-Ho ) - °í·Á´ëÇб³ ÀÓ»óÄ¡ÀÇÇдëÇпø ±³Á¤Çб³½Ç
ÀÓ¿ë±Ô ( Lim Yong-Kyu ) - °í·Á´ëÇб³ ÀÓ»óÄ¡ÀÇÇдëÇпø ±³Á¤Çб³½Ç
°­½ÂÅà( Kang Sung-Taek ) - °í·Á´ëÇб³ ÀÓ»óÄ¡ÀÇÇдëÇпø ±³Á¤Çб³½Ç
¾È¼®ÁØ ( Ahn Sug-Joon ) - ¼­¿ï´ëÇб³ Ä¡°ú´ëÇÐ Ä¡°ú±³Á¤Çб³½Ç

Abstract

º» ¿¬±¸´Â ±³Á¤ Áø´Ü ¹× Ä¡·á °èȹ¿¡ ¾î·Á¿òÀ» ÁÙ ¼ö ÀÖ´Â ÃøµÎ ÇÏ¾Ç °üÀý Àå¾Ö Áõ»óÀ» º¸À̴ ȯÀÚÀÇ cone beam computed tomography (CBCT) ¿µ»ó°ú Æijë¶ó¸¶ ¿µ»óÀ» ºñ±³ÇÏ¿© Æijë¶ó¸¶ ¿µ»óÀÇ À¯¿ë¼ºÀ» ¾Ë¾Æº¸°íÀÚ ÇÏ¿´´Ù. 2008³â 6¿ùºÎÅÍ 2008³â 11¿ù±îÁö ÃøµÎ ÇÏ¾Ç °üÀý ºÎÀ§ÀÇ ÀÌ»ó Áõ»óÀ¸·Î Ä¡°ú ÀÇ¿ø¿¡ ³»¿øÇÑ È¯ÀÚ¸¦ ´ë»óÀ¸·Î ÀÓ»óÁø´Ü°ú Æijë¶ó¸¶ ÃÔ¿µÀ» ½ÃÇà ÈÄ CBCT·Î ÃÔ¿µÇÑ 106¸í, 212°³ °üÀýÀ» ´ë»óÀ¸·Î ¿µ»óÀÇ °á°ú¸¦ ºñ±³ÇÏ¿´´Ù. 2¸íÀÇ Ä¡°úÀǻ簡 ÇÏ¾Ç °úµÎÀÇ °ñº¯È­ÀÇ ¾ç»óÀ» °üÂûÇÏ¿© Á¤»ó(normal), ÆíÆòÈ­(flattening), °ñ°æÈ­(sclerosis), °ñÁõ½Äü(osteophyte), ħ½Ä(erosion)À¸·Î ³ª´©¾ú´Ù. ±× °á°ú·Î ù°, °Ë»çÀÚ°£ ½Å·Úµµ¿¡¼­ Æijë¶ó¸¶(weighted kappa: 0.714), CBCT (weighted kappa: 0.727) °¢°¢ÀÇ ¿µ»ó Áø´Ü ÀÏÄ¡µµ°¡ ³ô¾Ò´Ù. µÑ°, CBCT ¿µ»ó¿¡ ´ëÇÑ Æijë¶ó¸¶ ¿µ»óÀÇ A °Ë»çÀÚÀÇ ¹Î°¨µµ´Â 82.4%, ƯÀ̵µ´Â 58.1%¿´À¸¸ç B °Ë»çÀÚ´Â °¢°¢ 84.3%, 61.5%¿´´Ù. ¼Â°, Æijë¶ó¸¶ ¿µ»ó°ú CBCT ¿µ»óÀÌ 5% À¯ÀǼöÁØ¿¡¼­ µÎ ¿µ»ó °£ Æǵ¶ÀÌ µ¿ÀÏÇÏÁö ¾Ê¾Ò´Ù. ÀÌ»óÀÇ °á°ú´Â Æijë¶ó¸¶ ¿µ»óÀÌ CBCT ¿µ»ó°ú ºñ±³ÇÒ ¶§ ºñ±³Àû ³ôÀº 80% ÀÌ»óÀÇ ¹Î°¨µµ¸¦ º¸¿© ÃøµÎ ÇÏ¾Ç °üÀý °ñ º¯È­ÀÇ ÀÏÂ÷ÀûÀÎ Áø´Ü¼ö´ÜÀ¸·Î ÀÓ»óÀûÀ¸·Î À¯¿ëÇÏ°Ô »ç¿ëµÉ ¼ö ÀÖ´Ù´Â °Í°ú ÃøµÎ ÇÏ¾Ç °üÀýÀÇ °ñ º¯È­°¡ Æijë¶ó¸¶ ¿µ»ó¿¡¼­ ºÒºÐ¸íÇÑ °æ¿ì CBCT¸¦ »ç¿ëÇÏ¿´À» ¶§ ´õ¿í Á¤¹ÐÇÑ Áø´ÜÀÌ µÉ ¼ö ÀÖ´Ù´Â °ÍÀ» º¸¿©ÁÖ¾ú´Ù.

Objective: This study was designed to assess the diagnostic validity of digital panoramic radiographs compared
to cone beam computed tomography (CBCT) in patients with temporomandibular joint disorders.

Methods: Panoramic radiograph and CBCT were taken from a total of 212 joints from 106 subjects. The joints were examined by two dentists and divided into the following six groups: normal, flattening, osteophyte formation, erosion,
sclerosis, and unclassified. The sensitivity and specificity of each observer and inter-observer reliability were statistically
analyzed.

Results: The results showed relatively high intra-observer reliability in the diagnosis of both panoramic and CBCT images and the weighted Kappa indices of panoramic and CBCT images were 0.714 and 0.727, respectively. The sensitivities of panoramic images of observer A and B to CBCT images was 82.35% and 84.30%, respectively, while the specificity of observer A and B was 58.06% and 61.54%, respectively. However, guided diagnosis from panoramic and CBCT images were statistically different (p £¼ 0.05).

Conslusions: The present study suggests that the panoramic radiograph could be used as a primary diagnostic
device to detect bony changes of temporomandibular joints in clinical orthodontics, because panoramic images showed relatively high sensitivity compared to CBCT images. However, CBCT images may be one of the best choices when a more accurate diagnosis is necessary.

Å°¿öµå

ÃøµÎ ÇÏ¾Ç °üÀý; °ñº¯È­; CBCT; Æijë¶ó¸¶
Temporomandibular joint; Bony change; CBCT; Panoramic radiograph

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