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A study of post-operative changes in facial height and width of mandibular prognathic patients

Korean Journal of Orthodontics 2000³â 30±Ç 3È£ p.367 ~ 375
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Abstract

kabstract :
ÇϾÇÀüµ¹Áõ(mandibular prognathism or mandibular prognathic patient) ȯÀÚÀÇ °æ¿ì ÀüÈÄ
¹æ°ú ¼öÁ÷Àû ¾Ç°ñ(maxilla)ÀÇ ºÎÁ¶È­Á¤µµ°¡ ½ÉÇϰųª ¾È¸éÃø¸ð(facial profile)¿¡ ´ëÇÑ ½É¹ÌÀû
Àνĵµ°¡ Ŭ ¶§¿¡´Â ±³Á¤Ä¡·á¸¸À¸·Î´Â ½É¹ÌÀûÀ¸·Î ¸¸Á·ÇÑ °á°ú¸¦ ¾ò±â°¡ ¾î·Á¿ì¹Ç·Î ¾Ç±³Á¤
¼ö¼ú(orthognathic surgery) °ú º´ÇàµÇ¾î¾ß¸¸ ÇÑ´Ù. ÀÌ·² °æ¿ì ½É¹ÌÀûÀÎ °³¼±Àº ȯÀÚÀÇ Ä¡·á
°á°ú¿¡ ´ëÇÑ ¸¸Á·µµ¿¡ Áß¿äÇÑ ¿ä¼Ò°¡ µÇ°í ÀÖÁö¸¸ ¹Ì¿¡ ´ëÇÑ ±âÁØÀº °´°üÈ­Çϴµ¥´Â ¸¹Àº
¹®Á¦Á¡À» °®°í ÀÖ¾î ±× Æò°¡µµ ȯÀÚÀÚ½ÅÀÇ ÁÖ°üÀûÀÎ °üÁ¡¿¡ ÀÇÇÏ¿© ³»·ÁÁö°Ô µÈ´Ù. ¿ì¸®³ª
¶óÀÇ °æ¿ì ¾ó±¼½É¹Ì¿¡ ´ëÇÑ ±âÁØÀÌ ¼­±¸ÀÎÀÇ ¿ÜÇüÀ» ¼±È£ÇÏ´Â °æÇâÀÌ ÀÖ¾î ÀüÅëÀûÀÎ µÕ±×·±
¾ó±¼º¸´Ù´Â °¼¸§ÇÑ ¾ó±¼¸ð¾çÀ» ¼±È£ÇÑ´Ù. ÀÌ ¿¬±¸´Â ÇϾÇÀüµ¹ÁõÀ¸·Î ÀÎÇÑ ¾Ç±³Á¤¼ö¼ú°á°ú
¼úÈÄ ¾ó±¼ÆøÀÌ ³Ð¾îÁ® ¼ö¼úÀüº¸´Ù ¾ó±¼ÀÇ ¸ð¾çÀÌ µÕ±×·¸°Ô µÇ¾ú´Ù°í È£¼ÒÇϴ ȯÀÚ°¡ ÀÖ¾î
½ÃµµÇÏ°Ô µÇ¾ú´Ù.
¾Ç±³Á¤¼ö¼úÀüÈÄÀÇ ¾È¸ð±æÀÌ ¹× Æø°æÀÇ º¯È­¿¡ °üÇÑ ¿¬±¸¸¦ À§ÇÏ¿© ÇϾÇÀüµ¹ÁõÀ» ÁÖ¼Ò·Î
¾Ç±³Á¤¼ö¼úÀ» ¹ÞÀº ÃÑ 14¸íȯÀÚ(³²ÀÚ 8¸í, ¿©ÀÚ6¸í)ÀÇ Á¤¸ðµÎºÎ¹æ»ç¼±»çÁø °èÃø(skull PA
analysis)°ú ¼³¹®Á¶»ç¸¦ ÅëÇÏ¿© ¼ö¼úÈÄÀÇ ¾È¸ðº¯È­ ¹× ȯÀÚÀÇ ¸¸Á·µµ¿¡ ´ëÇÑ ºÐ¼®À» ½ÃÇàÇÏ
¿© ´ÙÀ½°ú °°Àº °á·ÐÀ» ¾ò¾ú´Ù.
1. 14¸íÀÇ È¯ÀÚÁß 3¸í (21.4%)ÀÌ ¾ó±¼ÀÌ ³Ð¾îÁ³´Ù°í ´äÇÏ¿´´Ù.
2. ¾Ç±³Á¤¼ö¼ú(orthognathic surgery)ÈÄ ÇϾǰñÆø°æ(mandibular width)Àº A±ºÀº º¯È­°¡ ¾ø¾ú
À¸¸ç, B±ºÀº 0.7§® °¨¼ÒÇÏ¿´°í, ¾È¸éÆø°æ(zygomatic width)Àº A±º¿¡¼­´Â 0.45§®, B±º¿¡¼­´Â
0.66§®ÀÇ Áõ°¡¸¦ º¸¿´´Ù.
3. ¾Ç±³Á¤¼ö¼úÈÄ ¾ó±¼±æÀÌÀÇ º¯È­´Â A±º¿¡¼­´Â »ó¾È¸é °í°æ(upper facial height)ÀÌ 0.52§®Áõ
°¡, ÇϾȸé°í°æ(lower facial height)ÀÌ 1.19§®°¨¼Ò, ÇϾǰñ °í°æ(mandibular height)ÀÌ 0.7§®
°¨¼ÒÇÏ¿´À¸¸ç, B±º¿¡¼­´Â »ó¾È¸é °í°æÀÌ 0.67§® °¨¼Ò, ÇϾȸé°í°æÀÌ 3.66§® °¨¼Ò, ÇϾǰñ °í
°æÀÌ 5§® °¨¼ÒÇÏ¿´´Ù.
4. ¼ö¼úÈÄ ¾È¸éÆø°æ¿¡ ´ëÇÑ ¾È¸é°í°æ(facial height)ÀÇ ºñÀ²Àº A±º¿¡¼­ 1.5%, B±º¿¡¼­ 3.6%
°¨¼ÒÇÏ¿´´Ù.
5. ¼ö¼úÈÄ ¾È¸éÆø°æ¿¡ ´ëÇÑ ÇϾǰñ ±æÀÌ(mandibular height)ÀÇ ºñÀ²Àº A±º¿¡¼­ 1.3%, B±º¿¡
¼­ 4.4% °¨¼ÒÇÏ¿´´Ù.
6. ¼ö¼úÈÄ ÇϾǰñÆø°æ¿¡ ´ëÇÑ ÇϾǰñ ±æÀÌ(mandibular height)ÀÇ ºñÀ²Àº A±º¿¡¼­ 1.3%, B±º
¿¡¼­ 4.3% °¨¼ÒÇÏ¿´´Ù.
7. ¼ö¼ú·Î ÀÎÇÑ ¾ó±¼ÆøÀÇ º¯È­´Â ¹«½ÃÇÒ¸¸ÇÑ °ÍÀ¸·Î ÆǴܵdzª ¼ö¼úÈÄ ¾ó±¼ÀÇ ±æÀÌ°¡ ª¾ÆÁ®
»ó´ëÀûÀ¸·Î ¾ó±¼ÀÇ ÆøÀÌ ³Ð¾îº¸ÀÏ ¼ö ÀÖÀ¸¹Ç·Î ¼ö¼ú½Ã ÀÌ¿¡ ´ëÇÑ ÃæºÐÇÑ °í·Á ¹× ȯÀÚ¿¡ ´ëÇÑ ¼³¸íÀÌ ÀÖ¾î¾ß ÇÑ´Ù.
#ÃÊ·Ï#
-Abstract-
If a mandibular prognathic patient has an extremely unnatural anteroposterior and
vertical maxilla or keen esthetical perception for facial profile, orthognathic surgery must
be performed along with orthodontic treatment, which alone cannot provide satisfactory
results in this case. Esthetical improvement becomes an important factor in the
satisfaction level of the patient's treatment result, but an attempt to objectively measure
beauty holds many problems. Therefore, in the end, the patient submits the final
esthetical evaluation based on his/her subjective viewpoint. Because Korean People have
a tendency to prefer the facial appearance of westerners, they favor an oval shaped face
over the traditional round face. This research was conducted in response to the
complaints raised by patients who claim that their face had become more round from
widening of facial width after the orthognathic surgery for manidubular prognathism
than before the surgery.
The following results were obtained on the changes in facial appearance and patient
satisfaction level by analyzing the skull P-A analysis of total of 14 patients (8 male and
6 female) who underwent orthognathic surgery primarily chief complaint for manidibular
prognathism and from their responses on questionnaires. These results are to be used in
the research on the pre- and post- operative changes in facial height and width from
orthognatic surgery.
1. There (21.4%) of 14 patients said their face had widened.
2. The A group showed no change in mandibular width but B group showed a 0.7§®
reduction. The facial width increased by 0.45§® and 0.66§® in groups A and B,
respectively, after the orthognathic surgery.
3. After the surgery the facial length changed by an 0.52§® increase in upper facial
height, 1.19§® reduction in lower facial height, and 0.7§® reduction in mandibular height
in group A. In group B group, there was a 0.67§® reduction in upper facial height, 3.66
§® reduction in lower facial height, and 5§® reduction in mandibular height.
4. In reference to facial width, the facial height showed 1.5% reduction in group A and
3.6 reduction in group B after the surgery.
5. In reference mandibular height-to-facial width ratio, there was a 1.3% reduction in
group A, and 4.4% reduction in group B after the surgery.
6. In reference to the mandibular height-to-width ratio, there was a 1.3% reduction in
group A 4.3% reduction in group B after the surgery.
7. Although the change in the facial width due to surgery can be ignored, sufficient
explanation should be provided to the patient before surgery on the fact that the face
can appear to be relatively wide because of the reduced facial length as result of the
surgery.

Å°¿öµå

¾È¸é°í°æ; ¾È¸éÆø°æ¿¡ ´ëÇÑ ÇϾǰñ ±æÀÌÀÇ ºñÀ²; ÇϾǰñ ±æÀÌ; ÇϾǰñÆø°æ; Facial length; Mandibular height-to-facial width ratio; Mandibular height; Mandibular width;

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