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Prediction of the change of soft tissue profile on the lower face following retraction of incisors

Korean Journal of Orthodontics 1999³â 29±Ç 4È£ p.399 ~ 410
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Abstract

º» ¿¬±¸´Â ±³Á¤Ä¡·áµ¿¾ÈÀÇ ÀüÄ¡ºÎ ÈĹæÀ̵¿¿¡ ÀÇÇÑ ÇϾȸéºÎ ¿¬Á¶Á÷ Ãø¸ð º¯È­¸¦ Æò°¡ÇÏ
±â À§ÇÏ¿© ½ÃÇØ¿Àµð¾ú´Ù. Ä¡Á¶¼º ¾ç¾ÇÀüµ¹À» ÁÖ¼Ò·Î ³»¿øÇÏ¿© »ó, ÇÏ¾Ç Á¦ 1 ¼Ò±¸Ä¡¸¦ ¹ß°Å
ÇÏ°í ÀüÄ¡ºÎ ÈĹæÀ̵¿À» ½ÃÇàÇÑ 31Áõ·ÊÀÇ Ä¡·áÀüÈÄ Ãø¸ðµÎºÎX¼±±Ô°Ý»çÁøÀ» ÀÌ¿ëÇÏ¿´À¸¸ç
¼ºÀåÀÇ ¿µÇâÀ» ¹èÁ¦Çϱâ À§ÇÏ¿© 17¼¼ ÀÌ»óÀÇ Çѱ¹ÀÎ ¿©¼ºÀ¸·Î ´ë»óÀ» Á¦ÇÑÇÏ¿´´Ù.
Ä¡·áÀüÈÄ °¢ °èÃøÄ¡¿Í º¯È­·®À» ÀÌ¿ëÇÏ¿© paired t-test¿Í »ó°üºÐ¼® ¹× ȸ±ÍºÐ¼®À» ½ÃÇàÇÑ
°á°ú ´ÙÀ½°ú °°Àº °á·ÐÀ» ¾ò¾ú´Ù.
Ä¡¾ÆÀÇ ÈĹæÀ̵¿·®°ú ¿¬Á¶Á÷ÀÇ ÈĹæÀ̵¿·®ÀÇ ºñ´Â »ó¾Ç ÁßÀýÄ¡(UIS) : »ó¼ø (LS)Àº 1.54 :
1, ÇϾÇÁßÀýÄ¡(LIS) : Çϼø (LI)Àº 0.92 : 1ÀÌ¸ç °¢°¢ÀÇ »ó°ü°è¼ö´Â °¢°¢ 0.746°ú 0.584·Î ³ª
Ÿ³µ´Ù.
Ä¡·áµ¿¾È ¿¬Á¶Á÷ ÀÚüÀÇ µÎ²²´Â »ó¼ø(UIS-LS)¿¡¼­¸¸ Áõ°¡°¡ ÀÖ¾ú°í ³ª¸ÓÁö ºÎÀ§¿¡¼­´Â
¾à°£ÀÇ °¨¼Ò°¡ ÀÖ¾ú´Ù.
Ä¡¾Æ À̵¿·®°ú ¿¬Á¶Á÷ À̵¿·®°£ÀÇ »ó°üºÐ¼®¿¡¼­ »ó¼ø(LS)Àº »ó¾Ç ÁßÀýÄ¡(UIL)¿Í Çϼø(LI)
Àº BÁ¡°ú °¡Àå ³ôÀº »ó°ü°ü°è¸¦ º¸¿´´Ù.
Ä¡¾ÆÀ̵¿¿¡ µû¸¥ ÇϾȸéºÎ ¿¬Á¶Á÷ÀÇ À̵¿À» ¿¹ÃøÇϱâ À§ÇÑ ´ÙÁß È¸±Í¹æÁ¤½ÄÀ» ±¸ÇÒ ¼ö ÀÖ
¾ú´Ù.
#ÃÊ·Ï#
The purpose of this study was to evaluate the change of soft tissue profile on lower
face following retraction of incisors through orthodontic treatment. 31 Korean women
with bialveolar protrusion who were treated with 4 first bicuspid extraction were
selected. All of samples were treated from above 17 years of age. Lateral cephalometric
head films taken before and after treatment were analyzed statistically.
The results were obtained as follows.
The ratio of upper incisor retraction to upper lip retraction and lower incisor retraction
to lower lip retraction were 1.54 : 1(r=0.746) and 0.92 : 1(r=0.584) respectively.
It appeared during orthodontic treatment that UIS-LS was increased considerably and
the others in soft tissue thickness measurements were slightly decreased.
Analysis of correlation showed that the change of the upper lip(LS) with th change of
maxillary central incisor(UIS) and the change of lower lip with the change of B point
were most strongly correlated.
The multiple regression equations were obtained to predict soft tissue profile change
of lower face according to retraction of incisors.

Å°¿öµå

ÀüÄ¡ºÎ ÈĹæÀ̵¿; ¿¬Á¶Á÷ Ãø¸ð º¯È­; Ä¡Á¶¼º ¾ç¾ÇÀüµ¹; retraction of incisors; change of soft tissue profile; bialveolar protrusion;

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SCI(E)
KCI
KoreaMed