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A TOMOGRAPHIC STUDY OF POSITIONAL AND BONY CHANGES IN THE TEMPOROMADIBULAR JOINT FOLLOWING ORTHOGNATHIC SURGERY

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Abstract

ºñÁ¤»óÀûÀÎ ¾Ç°ñ¹ßÀ°¿¡ ÀÇÇÑ ºÎÁ¤±³ÇÕÀ» ÁÖ¼Ò·Î ÀüºÏ´ëÇб³ Ä¡°ú´ëÇк´¿ø¿¡ ³»¿øÇÏ¿© ±³
Á¤Ä¡·á¿Í ÇÔ²² ¾Ç±³Á¤¼ö¼úÀ» ½ÃÇàÇÑ È¯ÀÚ 20¸í(³²ÀÚ 7¸í, ¿©ÀÚ 13¸í, Æò±Õ¿¬·É 18.9¼¼)À» ¿¬
±¸´ë»óÀ¸·Î ¼úÀü°ú ¼úÈÄ ÃÖ¼Ò 3°³¿ù, ÃÖ´ë 28°³¿ù¿¡ ¹æ»ç¼±»çÁøÀ» ÃÔ¿µÇÏ¿© ÃøµÎÇϾǰüÀýÀÇ
À§Ä¡º¯È­¿Í °ñº¯È­¸¦ °üÂû ºÐ¼®ÇÏ¿© ´ÙÀ½°ú °°Àº °á°ú¸¦ ¾ò¾ú´Ù.
1. °¢ Group¿¡¼­ ¼úÀü ¼úÈÄ ¹× °¢ Group°£ÀÇ °üÀý°øÆøÀÇ º¯È­¿¡ ´ëÇÑ Åë°èÇÐÀû À¯ÀǼºÀº
ÀÎÁ¤µÇÁö ¾Ê¾Ò´Ù(P<0.05).
2.Àü¹æ°ú ÈĹæÀÇ °üÀý°øÆøºñÀ²ÀÇ ºñ±³¿¡¼­´Â ¿ìÃø¿¡¼­ ¼úÀü 0.99¡¾0.47, ¼úÈÄ 1.09¡¾0.70ÀÌ
¾úÀ¸¸ç, ÁÂÃø¿¡¼­´Â ¼úÀü 1.00¡¾ 0.66 ¼úÈÄ 1.22¡¾ 0.63À̾ú°í ¼ö¼úÀüÈÄ °üÀý°øÆø ºñÀ²ÀÇ Åë
°èÇÐÀûÀ¯ÀǼºÀº ÀÎÁ¤µÇÁö ¾Ê¾Ò´Ù(P<0.05),
3.¾Ç±³Á¤¼ö¼úÀüÈÄ °úµÎÀÇ ÃÖ´ë¿îµ¿½Ã ¿ìÃø¿¡¼­´Â ¼úÀü¿¡ KÃàÀ¸·Î 5.19¡¾ 3.02H, YÃàÀ¸·Î
1.83¡¾1.18§®À̾úÀ¸¸ç, ¼úÈÄ¿¡´Â XÃàÀ¸·Î 5.21¡¾3.75§®, YÃàÀ¸·Î 1.28¡¾1.48§®Áö¾ú´Ù. ÁÂÃø¿¡
¼­´Â ¼úÀü¿¡ KÃàÀ¸·Î 5.72¡¾3.76§®, YÃàÀ¸·Î 0.38¡¾3.56§®À̾úÀ¸¸ç ¼úÈÄ¿¡´Â XÃàÀ¸·Î 5.24¡¾
3.69§®, YÃàÀ¸·Î 1.80¡¾1.60§®À̾ú´Ù. ¼ö¼ú ÀüÈÄ Á¿ìÃøÇϾǰúµÎÀÇ ¿îµ¿º¯È­ÀÇ Åë°èÇÐÀû À¯ÀÇ
¼ºÀº ÀÎÁ¤µÇÁö ¾Ê¾Ò´Ù(P<0.05).
4. ÃÑ 40ÇϾǰúµÎÁß ÇϾǰúµÎÀÇ °ñº¯È­Áß ÇÇÁú°ñ °á¼Õ(erosion)ÀÌ 6¿¹, ÆíÆòÈ­(flattening)
°¡ 2¿¹, °úµÎÀÇ ÀÌÁß»ó(double contour)ÀÌ 5¿¹, °ñÁõ½Äü(osteophyte)´Â 1¿¹·Î ³ªÅ¸³µÀ¸¸ç ÇÏ
¾Ç°úµÎÀÇ °ñ°æÈ­(sclerosis)¹× °üÀý¿ÍÀÇ °ñº¯È­´Â °üÂûµÇÁö ¾Ê¾Ò´Ù.
#ÃÊ·Ï#
The purpose of this study was to aid in the evaluation of prognosis of
temporomandibular joint following orthognathic surgery.
For this study, 20 patients (40 TMJ) who undergone orthognathic surgery were
examined. Preoperative and postoperative tomograms of THJ were taken. And the
subiects were divided into 3 groups according to postoperative periods.
The obtained results were as follows;
1. There were no significant differences between preoperative and postoperative
changes in joint spaces in each group and between groups(P<0.05).
2. There were no significant differences between preoperative and postoperative ratio
of joint space(P<0.05).
3. There were no significant differences between preoperative and postoperative
changes in the range of motion of condylar head(P<0.05).
4. The bony changes of condylar head were observed in 14(35%)condyles (6 erosion,2
flattening 5 double contour,1 osteophyte).

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