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A Study on the Postoperative Stability of Hard Tissue in Orthognathic Surgery Patients Depending on the Difference of Occlusal Plane

Korean Journal of Orthodontics 1999³â 29±Ç 2È£ p.239 ~ 249
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Abstract

¾Ç¾È¸é ºÎÁ¶È­¸¦ Ä¡·áÇÏ¿© ÀûÀýÇÑ ±â´ÉÀû, ½É¹ÌÀû ÇüŸ¦ ¾ò°íÀÚ ÇÏ´Â ¾Ç±³Á¤ ¼ö¼ú¿¡ ÀÖ
¾î¼­´Â Á¤È®ÇÑ Áø´Ü°ú Ä¡·á°èȹÀÇ ¼ö¸³ÀÌ ÇʼöÀûÀÌ´Ù. ƯÈ÷ ½ÉÇÑ »ó ÇϾÇÀÇ º¹ÇÕÀûÀÎ ¹®Á¦
¸¦ °¡Áö°í ÀÖ´Â °æ¿ì¿¡ ½ÃÇàµÇ´Â ¾ç¾Ç ¼ö¼ú¿¡¼± »ó¾Ç°ñ°ú ÇϾǰñÀÌ »ïÂ÷¿øÀûÀÎ °ø°£¿¡¼­ µ¿
½Ã¿¡ Àç¹èÄ¡µÇ´Âµ¥, »ó¾Ç°ñÀÇ Àç¹èÄ¡¿¡ µû¶ó ÇϾǰñÀº ÀüÈÄ Á¿ì À§Ä¡°¡ °áÁ¤µÇ¸é¼­ »õ·Î¿î
±³ÇÕÆò¸éÀÌ ¸¸µé¾îÁø´Ù. µû¶ó¼­ ±³ÇÕÆò¸éÀº ¾ç¾Ç ¼ö¼ú¿¡¼­ Áß¿äÇÑ ±âÁØÀÌ µÇ¾î »ó¾Ç°ñÀÇ »õ
·Î¿î À§Ä¡¸¦ °áÁ¤ÇÏ°Ô µÇ¹Ç·Î Áø´Ü ¹× Ä¡·á°èȹ ¼ö¸³½Ã¿¡ ÃÖÀûÀÇ ±â´É¼º, ½É¹ÌÀû °á°ú¿Í, ¼ö
¼ú ÈÄ ¾ÈÁ¤¼ºÀ» ¾òÀ» ¼ö ÀÖ°Ô °èȹµÇ¾îÁ®¾ß ÇÑ´Ù.
º» ¿¬±¸¿¡¼­´Â ¾ç¾Ç¼ö¼úÀ» ½ÃÇà¹ÞÀº °ñ°Ý¼º Á¦ ¥²±Þ ºÎÁ¤±³ÇÕ È¯ÀÚ 48¸í (³²ÀÚ 25¸í ¿©ÀÚ
23¸í, Æò±Õ ¿¬·É 21.5¼¼)À» ´ë»óÀ¸·Î ÇÏ¿© ±³ÇÕÆò¸éÀÇ ¼³Á¤¿¡ »ç¿ëµÇ¾îÁö´Â ¸î°¡Áö Áø´Ü ±â
ÁØ Áß, ¸¹ÀÌ »ç¿ëµÇ¾îÁö°í ÀÖ´Â Delaire±¸Á¶Àû, ±¸¼ºÀû ºÐ¼®¿¡ Àdzª °¢ °³ÀÎÀÇ ÀÌ»óÀûÀÎ ±³
ÇÕÆò¸éÀ¸·Î ¼ö¼úµÇ¾úÀ» ¶§ °æÁ¶Á÷ÀÇ ¼ú ÈÄ ¾ÈÁ¤¼º¿¡ ´ëÇؼ­ Æò°¡ÇÏ°íÀÚ ÀÌ»óÀûÀÎ ±³ÇÕÆò¸é
¿¡ ºÎÇÕµÇ°Ô ¼ö¼úÀÌ ½ÃÇàµÈ ±º(A±º-24¸í)°ú ÀÌ Æò¸é¿¡¼­ ¹þ¾î³­(B±º-24¸í) À¸·Î ³ª´©¾î, ¼ö
¼ú Á÷Àü(T1)°ú ¼ö¼ú Á÷ÈÄ (T2-Æò±Õ 4.3ÀÏ), ¼ö¼ú 8°³¿ù ÀÌ»ó °æ
°úÈÄ (T3-Æò±Õ 1³â 3°³¿ù)¿¡ µÎ±ºÀÇ Ãø¸ð µÎºÎ ¹æ»ç¼± »çÁøÀ» ºñ±³ÇÏ¿© ´ÙÀ½
°ú °°Àº °á·ÐÀº ³»·È´Ù.
1. A±º°ú B±º ¸ðµÎ ¼ö¼ú¿¡ ÀÇÇÏ¿© ANSÀÇ ¼öÁ÷Àû À§Ä¡º¸´Ù PNSÀÇ ¼öÁ÷Àû À§Ä¡°¡ °¨¼ÒµÇ¾ú
´Ù. Áï »óÇÏ¾Ç º¹ÇÕü°¡ ÈÄ»ó¹æÀ¸·Î ȸÀüµÇ¾ú´Ù.
2. T3¿¡ T2¿Í À¯ÀÇÂ÷¸¦ º¸ÀÌ´Â °ªÀº µÎ±º ¸ðµÎ¿¡¼­ ¼öÁ÷ °èÃø
Ç׸ñ¿¡¼­ HRP-Me(p£¼0.01), °¢µµ °èÃøÇ׸ñ¿¡¼± Articular angle(p£¼0.01), Gonial angle(p£¼
0.01)ÀÌ À¯ÀÇÂ÷¸¦ º¸¿´´Ù. µÎ ±º ¸ðµÎ¿¡¼­ HRP-MeÀÌ °¨¼ÒÇϸ鼭 ÇÏ¾Ç Æò¸é°¢Àº Áõ°¡ ÇÏ¿´
´Ù.
3. A±º°ú B±º »çÀÌ¿¡¼­ ¼úÈÄ °æÁ¶Á÷ÀÇ ¾ÈÁ¤¼º¿¡´Â À¯ÀǼºÀÌ ÀÖ´Â Â÷ÀÌ°¡ ¾ø¾ú´Ù.
4. ¼ö¼ú¿¡ ÀÇÇÑ B¿Í PogÀÇ ¼öÆòÀ̵¿·®Àº ¼ö¼úÈÄ B¿Í PogÀÇ ¼öÆò Àç¹ß·®°ú ±×¸®°í PNSÀÇ
¼öÁ÷ Àç¹ß·®°ú Åë°èÀûÀ¸·Î À¯ÀǼº ÀÖ´Â ³ôÀº ¿ª»ó°ü°ü°è¸¦ º¸¿´°í, ÇϾÇÆò¸é°¢ÀÇ ¼ö¼ú¿¡ ÀÇ
ÇÑ º¯È­·®°ú gonial angleÀÇ ¼úÈÄ º¯È­·®°úµµ Åë°èÀûÀ¸·Î À¯ÀǼº ÀÕ´Â ³ôÀº ¿ª»ó»ó°ü°ü°è¸¦
º¸¿´´Ù.
#ÃÊ·Ï#
In orthognathic surgery to obtain proper functional and esthetic form after skeletal
discrepancy treatment, precise diagnosis and treatment plan are essential. Especially in
two jaw surgeries that have serious upper and lower jaw problems, maxilla and
mandible are arranged in three dimensions. Based on the maxillary rearrangement,
mandibular sagittal and transverse position are determined, and thus new occlusal plane
is established.
The object of this study is to evaluate the stability of the individual ideal occlusal
plane based on the architectural and structural craniofacial analysis of Delaires. The
subjects of this study were 48 patients who underwent two jaw surgeries, and they
were equally divided into two groups. A and B. A group was operated with ideal
occlusal plane and B group was not. Two groups were compared at the preoperative,
immediate postoperative (average 4.3days). and long-term postoperative (average
1.3years) lateral cephalometric radiographs.
The following results were obtained :
1. ANS was lower than that of PNS for both A and B after the surgery. That is,
maxilla and mandible are rotated in posterior and superior direction.
2. Significances were found between T2 and T3 for both a
and B are HRP-Me at vertical measurements, articular angle(p£¼0.01), gonial angle(p£¼
0.01), and Mn. plane angle(p£¼0.05) at angular measurement. Mn. plane angle is
increased at HRP-Me is decreased for both A and B
3. There is no significance in skeletal stability after the surgery between group A and
B.
4. Horizontal movements of B and Pog by surgery have statistically significant inverse
correlations with horizontal relapse of B and Pog, and vertical relapse of PNS, as well
as Mn. plane angle, and gonial angle after the surgery.

Å°¿öµå

°æÁ¶Á÷ÀÇ ¾ÈÁ¤¼º; ÀÌ»óÀûÀÎ ±³ÇÕÆò¸é; Àç¹ß·®; stability; ideal occlusal plane; relapse;

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