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An experimental study on the dynamic tooth movement of two molar uprighting spring by calorific machine

Korean Journal of Orthodontics 2000³â 30±Ç 3È£ p.273 ~ 285
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Abstract

kabstract :
º» ¿¬±¸ÀÇ ¸ñÀûÀº 1200g.§®ÀÇ ¸ð¸àÆ®¸¦ ¹ß»ý½ÃÅ°´Â µÎ Á¾·ùÀÇ canti-leverÇü ±¸Ä¡Á÷¸³ ½º
ÇÁ¸µ Áß Ä¡°üÁ÷¸³Çü(crown uprighting)°ú Ä¡±ÙÁ÷¸³Çü(root uprighting)À» Calorific machine
»ó¿¡ °¢ °¢ 5ȸ¾¿ Àû¿ëÇÏ¿© ³ªÅ¸³­ ÀúÇ׿ø ¹× ±Ù½É°æ»çÄ¡ÀÇ µ¿ÀûÀÎ Ä¡¾ÆÀ̵¿ ¾ç»óÀ» Á»´õ
±¸Ã¼ÀûÀ¸·Î ºñ±³ÇØ º¸´Âµ¥ ÀÖ´Ù. ¿­ ¹ß»ý ¹× ¿ÂµµÁ¶Àý ÀåÄ¡, ½ÇÇè¿ë Ä¡¾Æ, ±×¸®°í ½ÇÇè¿ë¸ð
µ¨·Î ±¸¼ºµÈ Calorific machineÀ» ÀÌ¿ëÇÏ¿© Ä¡¾ÆÀ̵¿ Àü, ÈÄ¿¡ ¾ò¾îÁø 2ÀåÀÇ ±³ÇÕX-¼±»çÁø
»ó¿¡¼­ X-¼±ºÒÅõ°ú»óÀ¸·Î ³ªÅ¸³­ µÎ °³ÀÇ ÀÓÇöõÆ®¸¦ ±âÁØÀ¸·Î Ç¥ÁöÁ¡À¸·Î ÁßøÇÔÀ¸·Î½á
Ä¡¾ÆÀ̵¿ ÀüÈÄÀÇ ½Ã»ó¸é°ú ±³ÇÕ¸é »ó¿¡¼­ÀÇ À§Ä¡º¯È­¸¦ È®ÀÎÇÏ¿´´Ù. °¢ ½ºÇÁ¸µÀÇ º¯È­·®À»
2ȸ¾¿ °èÃøÇÑ °á°ú Á¶»çÀÚ³» µ¿ÀÇÀ²(intra-examiner agreement)°ú Á¶»çÀÚ°£ µ¿ÀÇÀ²
(inter-examiner agreement)Àº 96.54%¿Í 95.73¿´À¸¸ç °¢ ½ºÇÁ¸µÀÇ ½ÇÇè Àü, ÈÄÀÇ À¯ÀǼº °Ë
Áõ°ú µÎ ½ºÇÁ¸µ°£ÀÇ À¯ÀǼº ¿©ºÎ¸¦ ¦ºñ±³(paired t-test)·Ñ Åë°èó¸®ÇÑ °á°ú ´ÙÀ½°ú °°¾Ò´Ù.
1. Ä¡°üÁ÷¸³ ½ºÇÁ¸µ º¸´Ù Ä¡±ÙÁ÷¸³ ½ºÇÁ¸µÀ» »ç¿ëÇÒ ¶§ ÀúÇ׿øÀÇ »ó½Ç·®ÀÌ ¿ø½É ¹× ÇùÃø¹æ
ÇâÀ¸·Î Å©°Ô ³ªÅ¸³µ´Ù.
2. Ä¡°üÁ÷¸³ ½ºÇÁ¸µ »ç¿ë½Ã °æ»çÄ¡ ±â°üÀÇ ¿ø½ÉÀ̵¿·®Àº 3.29§® ¿´À¸³ª Ä¡±ÙÁ÷¸³ ½ºÇÁ¸µÀº
1.68§®¿´´Ù.
3. Ä¡°üÁ÷¸³ ½º¸£¸µ »ç¿ë½Ã °æ»çÄ¡ÀÇ ±Ù, ¿ø½É Ä¡±ÙÀÇ Àü¹æ À̵¿·®Àº °¢°¢ 3.91§®, 3.60§®¿´
À¸³ª Ä¡±ÙÁ÷¸³ ½ºÇÁ¸µ¿¡¼­´Â 6.76§®, 6.26§®¿´´Ù.
#ÃÊ·Ï#
-Abstract-
The aim of this investigation was to evaluate the differences of two canti-lever
springs by using a new simulation system. This was done using a Calorific machine
that compared crown uprighting spring and root uprighting spring. The Calorific
machine was designed to allow observation of the whole process of tooth moving, and it
composed of three parts(a temperature regulation system, electro-thermodynamic teeth,
and an artificial alveolar bone component).
The obtained results wee as follows.
1. Distal and buccal movement of the anchor teeth were observed greater in the root
uprighting spring than the crown uprighting spring.
2. Crown uprighting spring showed distal movement of the crown of lower second molar
for 3.29§® but root uprighting spring showed only 1.68§®.
3. Crown uprighting spring exhibited forward movement of mesial and distal root of the
lower second molar for 3.91§®, 3.60§® but the root uprighting spring showed 6.76§®, 6.26
§®.

Å°¿öµå

Ä¡°üÁ÷¸³ ½ºÇÁ¸µ; Ä¡±ÙÁ÷¸³ ½ºÇÁ¸µ; Calorific machine; Crown uprighting spring; Root uprighting spring; Calorific machine;

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SCI(E)
KCI
KoreaMed