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  Orthodontic Bonding ( 3 )

 

 

 

4. Edgewise bracketÀÇ Á¾·ù

<1> Shape & size

    a. Single - narrow, medium, wide
    b. Siamese(Twin) - Junior, medium, wide, extrawide
    c. Triple

 

<2> Material

      a. Metal
      b. Plastic  "Lectern"  - polycabbonate
         Miura cosmetic cosmetic cracket
         Designer bracket - red, blue, green, pink
      c. Ceramic : "Quarsar" (R.M.) ceramic bracket
                        "Eclipse (Masal) ceramic bracket

 

<3> Slot size

 

     (1) AngleÀÇ original bracketÀº 0.022 x 0.028" slot dimensionÀ» °®´Â´Ù. ÀÌ·¯ÇÑ 022 bracketÀº

         precious metal archwire¸¦ À§ÇÑ °ÍÀ¸·Î rectangular steel archwire¸¦ »ç¿ëÇÒ ¶§ excessive

         force °¡ °¡ÇØÁú¼ö ÀÖ´Ù.

     (2) ±×·¯¹Ç·Î slot size¸¦ 018·Î ÁÙÀÓÀ¸·Î½á archwire¿¡¼­ »ý±â´Â force¸¦ (archwireÀÇ size¸¦

         °¨¼Ò½ÃÅ´À¸·Î½á) °¨¼Ò½Ãų ¼ö ÀÖ´Ù.

     (3) ¶ÇÇÑ bracket slot size°¡ °¨¼ÒµÇ¸é ÀûÀº ±½±âÀÇ archwire°¡ bracket³»¿¡¼­ ±ä¹ÐÇÑ ÀûÇÕ¼ºÀ» °¡Á®

         ¾çÈ£ÇÑ root movement¸¦ ÀÏÀ¸Å³¼ö ÀÖ´Ù. Áï full size 018 x 025 rect wire´Â 0215 x 028 archwire°¡

         »ç¿ëµÉ ¶§ ¹ß»ýÇÏ´Â Èûº¸´Ù ´õ ÀûÀº ÈûÀ¸·Î root movement¸¦ ÀÏÀ¸Å³ ¼ö ÀÖ´Ù.

     (4) preadjusted edgewise appliance¿¡¼­´Â ÀåÄ¡ÀÇ ¼ºÁúÀ» ÃÖ´ëÇÑ ÀÌ¿ëÇϱâ À§ÇØ full-size

         archwire¸¦ »ç¿ëÇÑ´Ù. ±×·¯¹Ç·Î finishing archwire´Â 018 slot¿¡¼­ 018×025 archwire¸¦ »ç¿ëÇÑ´Ù.

 

 

<4> Single & Twin BracketÀÇ Àå, ´ÜÁ¡

 

 

 

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