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Prediction of frontal soft tissue changes after mandibular surgery in facial asymmetry individuals

Korean Journal of Orthodontics 2008³â 38±Ç 4È£ p.252 ~ 264
ȲÇö½Ä, Lee Jessica J., ȲÁ¤Çö, ÃÖÇÐÈñ, ÀÓȸÁ¤,
¼Ò¼Ó »ó¼¼Á¤º¸
ȲÇö½Ä ( Hwang Hyeon-Shik ) - Àü³²´ëÇб³ Ä¡ÀÇÇבּ¸¼Ò
 ( Lee Jessica J. ) - ¿ö½ÌÅÏ´ëÇб³ ±¸°­¾Ç¾È¸é¿Ü°úÇб³½Ç
ȲÁ¤Çö ( Hwang Chung-Hyon ) - Çѱ¹¼ºÀα³ÇÕ¿¬±¸¼Ò
ÃÖÇÐÈñ ( Choi Hak-Hee ) - Àü³²´ëÇб³ Ä¡°ú´ëÇÐ Ä¡°ú±³Á¤Çб³½Ç
ÀÓȸÁ¤ ( Lim Hoi-Jeong ) - Àü³²´ëÇб³ Ä¡°ú´ëÇÐ ±³Á¤Çб³½Ç

Abstract

º» ¿¬±¸´Â ¾È¸éºñ´ëĪ ȯÀÚÀÇ ¾Ç±³Á¤¼ö¼ú ½Ã °æÁ¶Á÷ À̵¿¿¡ µû¸¥ ¿¬Á¶Á÷ º¯È­¸¦ Á¤¸é¿¡¼­ Æò°¡ÇÔÀ¸·Î½á Á¤¸é ¾ó±¼À̹ÌÁö ½Ã¹Ä·¹ÀÌ¼Ç ÇÁ·Î±×·¥ °³¹ß¿¡ µµ¿òÀÌ µÇ°íÀÚ ½ÃÇàµÇ¾ú´Ù. ¾È¸éºñ´ëĪÀÌ µ¿¹ÝµÈ ÇϾǰñ ¼ö¼ú ¿¹Á¤ ȯÀÚ 45¸íÀ» ´ë»óÀ¸·Î Á¤¸ð µÎºÎ¹æ»ç¼±±Ô°Ý»çÁø°ú ¾ó±¼»çÁø(photo)À» ¼úÀü ¹× ¼úÈÄ¿¡ °¢°¢ °°Àº °¢µµ·Î ÃÔ¿µÇÑ ÈÄ, ¼úÀü ¹× ¼úÈÄÀÇ ¹æ»ç¼±»çÁøÀ» ÀÌ¿ëÇÏ¿© °æÁ¶Á÷ °èÃøÁ¡ÀÇ º¯È­¸¦, ¾ó±¼»çÁøÀ» ÀÌ¿ëÇÏ¿© ¿¬Á¶Á÷ °èÃøÁ¡ÀÇ º¯È­¸¦ ¼öÆò ¹× ¼öÁ÷À¸·Î ±¸ºÐÇÏ¿© °¢°¢ ÃøÁ¤ÇÑ ÈÄ °æÁ¶Á÷ º¯È­¿¡ µû¸¥ ¿¬Á¶Á÷ º¯È­¸¦ ºñ±³ ºÐ¼®ÇÏ¿´´Ù. ¿¬Á¶Á÷ º¯È­¿Í °æÁ¶Á÷ º¯È­ÀÇ »ó°ü¼ºÀ» »ìÆ캻 °á°ú ¼öÆò ¹æÇâ, ¼öÁ÷ ¹æÇâ ¸ðµÎ¿¡¼­ Àü¹ÝÀûÀ¸·Î ³·Àº »ó°ü¼ºÀ» º¸¿´À¸¸ç, 1£º1 mean ratio »êÃâÀ» À§ÇÏ¿© ¼­·Î »ó°ü¼ºÀÌ °¡Àå ³ôÀº °æÁ¶Á÷ °èÃøÁ¡À» ¿¬Á¶Á÷ °èÃøÁ¡º°·Î ¼±ÅÃÇÑ °á°ú Á÷ÇϹ濡 ÀÖ´Â °æÁ¶Á÷º¸´Ù´Â ´Ù¼Ò ¸Ö¸® ¶³¾îÁ® ÀÖ´Â °æÁ¶Á÷ °èÃøÁ¡ÀÌ ¼±ÅõǴ °æ¿ì°¡ ¸¹ÀÌ ³ªÅ¸³µ´Ù. °æÁ¶Á÷ º¯È­¸¦ ÀÌ¿ëÇÏ¿© ¿¬Á¶Á÷ º¯È­¸¦ ¿¹ÃøÇÒ ¼ö Àִ ȸ±Í¹æÁ¤½ÄÀ» ¿¬Á¶Á÷ °èÃøÁ¡º°·Î »êÃâÇÑ °á°ú ¿¬Á¶Á÷ ¼öÆòº¯È­ ¿¹Ãø¿¡ °æÁ¶Á÷ ¼öÁ÷º¯È­µµ »ç¿ëµÇ°í ¿¬Á¶Á÷ ¼öÁ÷º¯È­ ¿¹Ãø¿¡ °æÁ¶Á÷ ¼öÆòº¯È­µµ »ç¿ëµÇ¾úÀ¸¸ç, ¼öÆò°ú ¼öÁ÷º¯È­ ¸ðµÎ¿¡¼­ °¡Àå ¼³¸í·ÂÀÌ ³ôÀº ¹æÁ¤½ÄÀº ¿¬Á¶Á÷ menton¿¡¼­ ³ªÅ¸³µ´Ù. ÀÌ»óÀÇ ¿¬±¸°á°ú ÇϺΠ°æÁ¶Á÷ °èÃøÁ¡°ú »óºÎ ¿¬Á¶Á÷ °èÃøÁ¡ÀÇ ºñÀ²À» ÀÌ¿ëÇÏ´Â 1£º1 mean ratio ¹æ¹ýÀº ºÒ°¡´ÉÇÑ °ÍÀ¸·Î ³ªÅ¸³­ ¹Ý¸é ȸ±ÍºÐ¼®À» ÀÌ¿ëÇÑ ¿¬Á¶Á÷ º¯È­ ¿¹ÃøÀº ÀÓ»ó¿¡ µµ¿òÀÌ µÉ ¼ö ÀÖ´Â °ÍÀ¸·Î ³ªÅ¸³ª Á¤¸é À̹ÌÁöÀÇ °æ¿ì ÄÄÇ»Å͸¦ ÀÌ¿ëÇÑ ½Ã¹Ä·¹ÀÌ¼Ç ÇÁ·Î±×·¥ÀÌ ¹Ýµå½Ã ÇÊ¿äÇÔÀ» ½Ã»çÇÏ¿´´Ù. (´ëÄ¡±³Á¤Áö 2008;38(4):252-264)

Objective: To aid the development of a frontal image simulating program, we evaluated the soft tissue frontal changes in relationship to movement of hard tissue with orthognathic surgery of facial asymmetry patients.

Methods: Preoperative and postoperative frontal cephalograms and frontal view photographs of 45 mandibular surgery patients with facial asymmetry were obtained in a standardized manner. Vertical and horizontal changes of hard tissue and soft tissue were measured from cephalograms and photographs, respectively. Soft tissue change in result to hard tissue change was then analyzed.

Results: Both vertical and horizontal correlation analysis showed a weak relationship between the changes. Hard tissue points that were picked for 1£º1 mean ratio with soft tissue points did not show any significant relevance. For each soft tissue change, regressive equation was formulated by stepwise multiple regression analysis, and the equation for soft tissue Menton was most reliable in predicting changes. Both vertical and horizontal hard tissue changes were used together in prediction of vertical or horizontal soft tissue change.

Conclusions: The results suggest that computerized image simulation using regression analysis may be of help for prediction of soft tissue change, while 1£º1 mean ratio method is not useful. (Korean J Orthod 2008;38(4):252-264)

Å°¿öµå

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Predictionofsofttissuechange;Frontalcephalogram;Frontalphoto;Facialasymmetry;Image simulation

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