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Lip and perioral soft tissue changes after bracket bonding using 3-D laser scanner

Korean Journal of Orthodontics 2011³â 41±Ç 6È£ p.411 ~ 422
ÀÌ¿øÁ¦, À̱âÁØ, À¯Çü¼®, ¹éÇü¼±,
¼Ò¼Ó »ó¼¼Á¤º¸
ÀÌ¿øÁ¦ ( Lee Won-Je ) - ¿¬¼¼´ëÇб³ Ä¡°ú´ëÇÐ ±³Á¤Çб³½Ç
À̱âÁØ ( Lee Kee-Joon ) - ¿¬¼¼´ëÇб³ Ä¡°ú´ëÇÐ ±³Á¤Çб³½Ç
À¯Çü¼® ( Yu Hyung-Seog ) - ¿¬¼¼´ëÇб³ Ä¡°ú´ëÇÐ ±³Á¤Çб³½Ç
¹éÇü¼± ( Baik Hyoung-Seon ) - ¿¬¼¼´ëÇб³ Ä¡°ú´ëÇÐ ±³Á¤Çб³½Ç

Abstract

ºê¶óÄÏÀÇ Á¢Âø¿¡ ÀÇÇÑ ÀÔ¼ú ÁÖÀ§ ¿¬Á¶Á÷ÀÇ º¯È­¸¦ Æò°¡Çϱâ À§ÇÏ¿© ½ÉÇÑ °ñ°ÝÀû ºÎÁ¶È­°¡ Á¸ÀçÇÏÁö ¾Ê´Â 18¼¼ ÀÌ»ó, 29¼¼ ¹Ì¸¸ÀÇ ¼ºÀΠȯÀÚ Áß Æ÷°ýÀû ±³Á¤ Ä¡·á¸¦ À§ÇÏ¿© »ó, ÇÏ¾Ç Ä¡¾ÆÀÇ ¼øÃø¿¡ ºê¶óÄÏÀ» Á¢ÂøÇÑ 45¸íÀ» ´ë»óÀ¸·Î 3Â÷¿ø ·¹ÀÌÀú ½ºÄ³³Ê¸¦ ÀÌ¿ëÇÏ¿© ºê¶óÄÏÀÇ Á¢Âø Á÷Àü°ú Á÷ÈÄÀÇ 3Â÷¿ø ÀÔü ¿µ»óÀ» ȹµæÇÏ¿´´Ù. ºê¶óÄÏÀÇ Á¢Âø ÀüÈÄ ÀÔ¼ú ¹× ÀÔ¼ú ÁÖÀ§ ¿¬Á¶Á÷ÀÇ º¯È­¸¦ 3Â÷¿ø ÁÂÇ¥°è »ó¿¡¼­ ºÐ¼®ÇÏ¿´´Ù. 3Â÷¿ø º¯È­·®(distance: µ¿ÀÏ °èÃøÁ¡ °£ÀÇ º¯È­¿¡ ´ëÇÑ ÃÖ´Ü °Å¸®)¿¡¼­ À¯ÀǼºÀ» º¸ÀÎ ¸ðµç °èÃøÁ¡¿¡¼­ Àü¹æ º¯È­·®ÀÌ °¡Àå Å©°Ô ³ªÅ¸³µÀ¸¸ç, Ãø¸é °èÃøÁ¡µéÀº Ãø¹æÀ¸·Î À¯ÀǼº ÀÖ´Â º¯È­°¡ ³ªÅ¸³µ´Ù. »ó¼øÀÇ °èÃøÁ¡µéÀº »ó¹æÀ¸·Î, ÇϼøÀÇ °èÃøÁ¡µé°ú B¡¯´Â ÇϹæÀ¸·Î À¯ÀǼº ÀÖ´Â º¯È­°¡ ³ªÅ¸³µ´Ù. ÇϼøÀÇ Li (labrale inferius)¿¡¼­ 1.39 mm·Î °¡Àå Å« º¯È­°¡ ³ªÅ¸³µ°í ( < 0.01), Li Rt (labrale inferius right), Li Lt (labrale inferius left)¿¡¼­ 1.15 mm, 1.09 mmÀÇ º¯È­°¡ ³ªÅ¸³µ´Ù ( < 0.01). »ó¼øÀÇ ¾çÃø ULP (upper lip point), Ls (labrale superius), Ls Rt (labrale superius right), Ls Lt (labrale superius left)¿¡¼­ 0.81 mm, 0.85 mm, 0.82 mm, 0.97 mm, 0.92 mmÀÇ º¯È­¸¦ º¸¿© ( < 0.01), Çϼø¿¡ ºñÇÏ¿© »ó¼øÀÇ º¯È­°¡ ÀÛ°Ô ³ªÅ¸³µ´Ù. ¾çÃø Ch (cheilion)°ú Stm (stomion)¿¡¼­ 1.17 mm, 1.16 mm, 1.02 mm ( < 0.01), Sn (subnasale)¿Í B¡¯ (soft tissue B point)¿¡¼­ 0.46 mm, 0.63 mm ( < 0.01, < 0.05)ÀÇ º¯È­°¡ ³ªÅ¸³µ´Ù. ºê¶óÄÏÀÇ Á¾·ù¿¡ µû¸¥ ¿¬Á¶Á÷ º¯È­·®Àº Â÷ÀÌ°¡ ³ªÅ¸³ªÁö ¾Ê¾Ò´Ù. ÀÌ»óÀÇ °á°ú´Â ¼ºÀÎ ±³Á¤ ȯÀÚ¿¡¼­ ºê¶óÄÏÀÇ Á¢Âø¿¡ ÀÇÇÑ ÀÔ¼ú ¹× ÀÔ¼ú ÁÖÀ§ ¿¬Á¶Á÷ º¯È­ÀÇ ¿¹Ãø¿¡ Âü°í ÀÚ·á°¡ µÉ °ÍÀÌ´Ù.

Objective: The aim of this study was to evaluate the lip and perioral soft tissue changes after bracket bonding.
Methods: The soft tissue changes in 45 adult patients (age greater than 18 years and less than 29 years) without severe skeletal discrepancy were evaluated using three-dimensional images acquired with a laser scanner before and after bracket bonding was performed using 4 types of labial orthodontic brackets.

Results: Among the statistically significant changes in distance observed for the landmarks, the biggest change was observed in forward movement. The landmarks on the lateral sides also showed significant changes. While the landmarks on the upper lip showed significant upward movement, those on the lower lip showed significant downward movement. However, the changes were smaller for the landmarks on the upper lip (average, 0.87 mm) than for the landmarks on the lower lip (average, 1.21 mm). The type of bracket used did not significantly affect the soft tissue changes.

Conclusions: These findings will help predict soft tissue changes after bracket bonding for orthodontic treatment.

Å°¿öµå

3Â÷¿ø ·¹ÀÌÀú ½ºÄ³³Ê; ºê¶óÄÏ; ÀÔ¼ú ¹× ÀÔ¼ú ÁÖÀ§ ¿¬Á¶Á÷
3-D laser scanner; Bracket; Soft tissue

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