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The vertical changes of the lip and perioral soft tissue resulting from incisor retractionretraction

Korean Journal of Orthodontics 2000³â 30±Ç 2È£ p.185 ~ 196
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Abstract

kabstract :
ÀÔ¼úÀÇ µ¹ÃâÀ» ÇؼÒÇÏ°íÀÚ Çϴ ȯÀÚµéÀº ÀÚ½ÅÀÇ ¾È¸ð °³¼±À» ¾È¸ðÀÇ Ãø¸éº¸´Ù´Â °Å¿ï·Î
º¼ ¼ö ÀÖ´Â Á¤¸éÀ» ÅëÇÏ¿© ´À³¢´Â °ÍÀÌ º¸ÆíÀûÀÌ´Ù. ¾È¸ðÀÇ Á¤¸é¿¡¼­ Æò°¡°¡ ÀÌ·ç¾îÁú ¶§
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Å« ¿µÇâÀ» ¹ÞÀ» ¼ö ÀÖÀ¸¹Ç·Î ±³Á¤Ä¡·á Áø´ÜÀ̳ª Ä¡·á ÈÄ Æò°¡¸¦ À§ÇÑ Ãø¸ðµÎºÎ ¹æ»ç¼± »çÁø
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¼öÁ÷Àû º¯È­¿¡ °üÇؼ­µµ Æò°¡°¡ ÀÌ·ç¾îÁ®¾ß ÇÑ´Ù.
µû¶ó¼­ º» ¿¬±¸¿¡¼­´Â ÀÔ¼ú µ¹ÃâÀ» ÁÖ¼Ò·Î ³»¿øÇÑ, ¼ºÀåÀÌ ¿Ï·áµÈ ¼ºÀÎ ¿©¼º 61¸íÀ» ´ë»ó
À¸·Î Ãø¸ðµÎºÎ ¹æ»ç¼± »çÁøÀ» ÃÔ¿µÇÏ¿© ÀüÄ¡ÀÇ ÈĹæ°ßÀÎ ½Ã ³ªÅ¸³ª´Â ÀÔ¼ú°ú ÁÖÀ§ ¿¬Á¶Á÷ÀÇ
¼öÁ÷Àû º¯È­¸¦ °è´Ü½Ä ´ÙÁß È¸±ÍºÐ¼®¹ýÀ» ÀÌ¿ëÇÏ¿© Á¶»çÇÑ °á°ú ´ÙÀ½°ú °°Àº °á·ÐÀ» ¾ò¾ú
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1. »ó, ÇϼøÀÇ philtrum±æÀÌ (SnLs, LiB')´Â ÀüÄ¡ÀÇ ÈĹæ°ßÀÎ ÈÄ Áõ°¡ÇÏ¿´°í, »ó, ÇϼøÀÇ
vermilion height (LsStms, StmiLi)¿Í vermilion length (LsLi)´Â °¨¼ÒÇÏ¿´´Ù.
2. »ó, ÇϼøÀÇ ±æÀÌ (SnStms, StmiB')¿Í ¿¬Á¶Á÷ÀÇ ÇÏ¾È¸é °í°æ( SnMe')Àº Ä¡·á ÈÄ À¯ÀǼº
ÀÖ´Â º¯È­¸¦ º¸ÀÌÁö ¾Ê¾Ò´Ù.
3. »ó¼øÀÇ philtrum±æÀÌ Áõ°¡¿¡ »ó¾Ç ÀüÄ¡ÀÇ Á¤Ãâ U1V ÀÌ °¡Àå Å« ¿µÇâÀ» ÁÖ¾úÀ¸¸ç Çϼø
philtrum±æÀÌ Áõ°¡¿¡´Â Ä¡·á Àü overjetÀÌ °¡Àå Å« ¿µÇâÀ» ÁÖ¾ú´Ù.
4. »ó, ÇϼøÀÇ vermilion height°¨¼Ò¿¡ »ó¼øÀÇ µÎ²² °¨¼Ò°¡ °¡Àå Å« ¿µÇâÀ» ÁÖ¾ú´Ù.

-Abstract-
Patients who want to reduce their lip protrusion usually estimate the severity of the
lip protrusion on the frontal aspect. Most orthodontists have a perplexed experience of a
reduced thin line of vermilion border on the frontal aspect as incisors are retreated, even
though the lip protrusion is thought to be reduced favorably on the sagittal aspect.
Some patients, also look older after orthodontic treatment because of severe lip thinning.
This unaesthetic reduction of vermilion border urges us to study the vertical lip change
during orthodontic procedure.
The purpose of this study was to evaluate the vertical lip and perioral soft tissue
changes in respect to incisor retraction in an effort to analyze which factors might be
responsible for their vertical changes, using the multiple regression analysis. The results
were as follows.
1. Upper and lower lip philtrum length(SnLs, LiB') were increased after retraction of
anterior teeth, were as upper and lower vermilion height(LsStms, StmiLi), and vermilion
length(LsLi) were decreased.
2. Upper and lower lip length(SnStms, StmiB'), and soft tissue lower anterior facial
height(SnMe') did not show any significant difference after treatment.
3. The increase of the upper lip philtrum length was mainly influenced by the extrusion
of upper anterior teeth( U1V), and the increase of the lower lip philtrum length was
mainly influenced by the initial overjet before treatment.
4. The decrease of the upper and lower lip vermilion height was mainly influenced by
the decrease of upper lip thickness.

Å°¿öµå

ÈĹæ°ßÀÎ; ÀÔ¼ú µ¹Ãâ; ¼öÁ÷ º¯È­; ´ÙÁß È¸±ÍºÐ¼®; Retraction; Lip protrusion.; Vertical change; Multiple regression analysis;

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