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A STUDY ON CHANGE OF THE SOFT TISSUE FACIAL PROFILE AFTER ORTHOGNATHIC SORCERY IN PATIENTS WITH THE MANDIBULAR PROGNATHISM

Á¤Áø, À̱â¼ö,
¼Ò¼Ó »ó¼¼Á¤º¸
Á¤Áø (  ) - °æÈñ´ëÇб³
À̱â¼ö (  ) - °æÈñ´ëÇб³ Ä¡°ú´ëÇÐ ±¸°­¾Ç¾È¸é¿Ü°úÇб³½Ç

Abstract

°á·Ð
ÀúÀÚ´Â ÇϾÇÀüµ¹ÁõÀ¸·Î Áø´Ü¹Þ°í ÇϾÇÁö °ñÀý´Ü¼úÀ» ½ÃÇà¹ÞÀº 33¸íÀÇ È¯ÀÚ¸¦ ´ë»óÀ¸·Î ¼ö
¼úÀü°ú ¼ö¼úÈÄ¿¡ ÁÖ±âÀûÀ¸·Î ÃÔ¿µµÈ Ãø¸ð µÎºÎ±Ô°Ý ¹æ»ç¼± »çÁøÀ» °èÃøÇÏ°í ¿¬Á¶Á÷ ¾È¸ðÀÇ
º¯È­¾ç»óÀ» ¼ö¼ú¿¡ ÀÇÇÑ °æÁ¶Á÷ÀÇ º¯È­·®°ú ºñ±³, ºÐ¼®ÇÏ¹Ç·Î½á ´ÙÀ½°ú °°Àº °á·ÐÀ» ¾ò¾ú´Ù.
1. ÇϾÇÁö °ñÀý´Ü¼ú¿¡ ÀÇÇØ ÇϾǰñÀÌ ÈĹæÀ̵¿µÉ¶§ ¼ö¼ú¿¡ ÀÇÇÑ ÇϾǰñÀÇ À§Ä¡ º¯È­´Â 1
³â¿¡¼­ 2³â »çÀÌ¿Í º¯È­·®ÀÌ ¸¹Àº °æÇâÀ» º¸¿´À¸¸ç 2³â °æ°ú½Ã ½Ã»ó¸é»ó¿¡¼­ÀÇ È¸±ÍÀ²Àº B,
Pg, Me¿¡¼­ °¢°¢ 30% ,32% ,29%·Î ³ªÅ¸³µ´Ù.
2. ÇϾÇÁö °ñÀý´Ü¼ú ½ÃÇàÈÄ 2³â °æ°ú½Ã ÇØ´ç °æÁ¶Á÷ º¯È­·®¿¡ ´ëÇÑ ¿¬Á¶Á÷ÀÇ º¯È­·®Àº Si,
Pg, MeÀÌ ¸ðµÎ ¾à 90%ÀÇ ºñÀ²À» ³ªÅ¸³»¾ú´Ù.
3. ¼ö¼ú¿¡ ÀÇÇÑ ÇϾǰñ °èÃøÁ¡ÀÇ À̵¿·®Àº Çϼø ¹× À̺ο¬ Á¶Á÷ÀÇ ÀüÈÄÀû À§Ä¡º¯È­¿¡ ´ë
ÇØÀå±âÀûÀ¸·Î À¯ÀÇÇÑ ¿¬°ü¼ºÀ» º¸¿´´Ù.
4. ¼ö¼ú¿¡ ÀÇÇÑ PgÀÇ º¯È­·®À» ±âÁØÀ¸·Î ¿¬Á¶Á÷ Pogonion º¯È­ÀÇ ¾ç»óÀ» ¿¹ÃøÇÏ´Â °ÍÀº
À¯¿ëÇÏ¿´°í ¼úÈÄ 2³â °æ°ú½Ã ±× ¿¬°ü¼ºÀº °¨¼ÒÇÏ¿´´Ù(r2= 0.46).)
5. ÇϾÇÁö °ñÀý´Ü¼úÀ» ÀÌ¿ëÇÑ ÇϾǰñ ÈĹæÀ̵¿½Ã ½Ã»ó¸é»ó »ó¼øÀÇ À§Ä¡´Â 2³â °æ°ú½Ã ¼ú
Àü¿¡ ºñÇØ ¾à°£ Àü¹æ¿¡ À§Ä¡ÇÏ´Â °æÇâÀ» º¸¿´À¸³ª À¯ÀÇÇÑ º¯È­´Â ¾Æ´Ï¾ú°í ¼öÁ÷ÀûÀ¸·Î´Â ÀÏ
Á¤ÇÑ º¯È­¸¦ ãÀ» ¼ö ¾ø¾ú´Ù.
#ÃÊ·Ï#
This study was performed to evaluate the change of the soft tissue facial profile after
mandibular set back surgery during time intervals. For this study 33 patient, 8 males
and 25 females, were selected and their lateral cephalograms were taken and analyzed
periodically.
Hard and soft tissue changes during postoperative time intervals, correlation between
surgical skeletal changes and postoperative soft tissue changes, and prediction for
long-time soft tissue changes were established through varying statistical methods.
The results were as follow :
1. There were meaningful changes of anteroposterior skeletal position at 6 months and
2 years after mandibular set back by mandibular ramus osteotomy. Two years
postoperatively. there was 30%, 32%, 29% relapse on B point, pogonion, menton each.
3. The movements of the mandibular landmarks in correlation to anteroposterior
position of the lower lip and soft tissue of the chin showed to be effective on a
long-term basis.
4. Using surgical changes of pogonion, prediction of changes in soft and hard tissue
pogonion was useful and the coefficient of determination was 0.046 each and their
reliability decreased 2 years postoperatively.
5. The upper lip position after the mandibular set back surgery was somewhat
anterior 2 year postoperatively, but that has no statistical meanings.

Å°¿öµå

mandibular ramus osteotomy; facial profile; long-term change;

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