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  CANINE RETRACTION(5)

 

 

 

(c) Broussard cuspid retractor

1) Description of the C.R.

2) Activation of the C.R.

1. CRÀ» activationÇϱâ À§Çؼ­´Â ¸ÕÀú molar lockÀ» distal extension½ÃÄѼ­ buccal tubeÁÖÀ§¿¡ insertionÇÏ¿©¾ß ÇÑ´Ù.

2. ´ÙÀ½ How or Weingart plier¿Í °°Àº serrated plier¸¦ »ç¿ëÇÏ¿© vertical post¸¦ cuspid bracketÀÇ vertical slot³»¿¡ insertionÇÑ´Ù (vertical post°¡ vertical slot³»¿¡ seatingµÉ ¶§ helical closing loopol activationµÈ´Ù.)

3. Old CRÀ» 2~3mm activation ½Ãų ¶§ 2~3 ozÀÇ  force°¡ ¹ßÈֵȴÙ.

4. activation possible with the cuspid retractor

1) activation of the helical closing ollp

2) angulation of the vertical post

3) deflection of the lock loop incisally

4) placing the helical closing loop on the buccal side of the main archwire

5. À̶§ main archwire´Â bending µÇÁö ¾Ê°í plainÇØ¾ß ÇÑ´Ù.

 

 

 

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