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  Space Closing Archwire(EN MASSE MOVEMENT)(1)

 

 

 

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¯ÁöÇϸ鼭 retraction

 

 

 

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