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Á¦ 20 °Á |
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Space Closing Archwire(EN MASSE MOVEMENT)(1) |
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Space Closing Archwire(EN MASSE MOVEMENT) ¡Ø EN MASSE MOVEMENT Àü 1. °ßÄ¡´Â ÇÊ¿äÇÑ ¸¸Å retraction µÇ¾î¾ß ÇÑ´Ù.
2. °ßÄ¡, Á¦ 2 ¼Ò±¸Ä¡, Á¦ 1 ´ë±¸Ä¡´Â one-unit·Î ligatureµÇ¾î °ßÄ¡°¡ ±Ù½ÉÀ¸·Î driftµÇÁö ¾Êµµ·Ï ÇØ¾ß ÇÑ´Ù.
3. Leveling - rotation - curve of spee - well aligned teeth - dental midline correction (as possible as)
¡Ø °í·Á»çÇ× 1. over bite (over bite controlÀÇ ±âÁØ : lip 2mmÇϹæ) 1) deep bite°¡ °è¼Ó ÀÜÁ¸ÇÏ´Â °æ¿ì - utility typeÀÇ retractor - severe curve of speeÀÇ arch - open loop typeÀÇ retractor * lever arm - J-hook combination
2) normal bite ¹üÁÖÀÏ °æ¿ì - closing loop style ex) delta closing loop - open loop style
2. ÀüÄ¡ÀÇ ¼øÃø °æ»çµµ
1) ½ÉÇÑ ¼øÃø °æ»çÀÇ °æ¿ì - small sizeÀÇ rect - round wire·Î Ãʱ⿡ retractionÀÌ ÇÊ¿ä
2) ¼³Ãø °æ»çÀÎ °æ¿ì - Ä¡·á Ãʱ⿡ ÀÌ¹Ì correctionµÇ¾î¾ß ÇÑ´Ù.
3) Á¤»ó °æ»çÀÎ °æ¿ì - labial crown torque (lingual root torque)¸¦ À¯ÁöÇÏ¸é¼ retraction
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Á¦ 20 °Á |
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