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Three Dimentional Force analysis of Force System in Continuos Archwire by Finite Element Method
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KMID : 0361919960260010017
Abstract
¿©·¯°¡Áö ±³Á¤ÀåÄ¡ Áß¿¡¼ °íÁ¤¼º ÀåÄ¡´Â °³°³Ä¡¾ÆÀÇ À̵¿¿¡ ÀÖ¾î °¡Àå È¿°úÀûÀ¸·Î »ç¿ëÇÏ´Â ÀåÄ¡À̹ǷΠ±× ÀÛ¿ë±âÀü°ú ¿ªÇÐÀû °ü°è¸¦ ÀÌÇØÇÏ´Â °ÍÀÌ Áß¿äÇÏ´Ù. °íÁ¤¼º ÀåÄ¡ÀÇ Åº¼±ÇüÅ´ ũ°Ô continuous arch, segmented arch, sectional arch·Î ³ª´©¾î º¼¼ö
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segmented arch³ª sectional arch´Â ÈûÀÇ ÀÛ¿ëÁ¡ÀÌ ´Ü¼øÇÏ°í interbracket distanceµµ ±æ¾î ¼úÀÚ ÀÓÀÇ´ë·Î force systemÁ¶ÀýÀÌ °¡´ÉÇÑ ¹Ý¸écontinuous arch¿¡¼´Â bracket geometry°¡ ´Ù¾çÇÏ°í, interbracket distance°¡ Á¼¾Æ force systemÀÇ Á¶ÀýÀ̳ª ±× ¿ªÇÐÀû
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ÀúÀÚ´Â °øÇп¡¼ÀÇ 3 dimensional elastic beamÀÌ continuous archÀÇ ÇüÅÂ¿Í À¯»çÇÑ Á¡¿¡ Âø¾ÈÇÏ¿© continuous archÀÇ force systemÀ» ºÐ¼®ÇÏ°íÀÚ ÇÏ¿´À¸¸ç, À̸¦ À§ÇØ ´Ù¾çÇÑ Çü»óÀ» °®´Â 3°³ÀÇ bracket geometry¸¦ Ç¥º»Çü»óÀ¸·Î ¼³Á¤ÇÏ°í ±â¿ï±â, º¯À§ ¹×
interbracket
distance¿¡ µû¸¥ Èû°ú momentÀÇ º¯È¾ç»óÀ» ºÐ¼®ÇÏ°í, ÀúÀÚ°¡ ÀÓÀÇ·Î Á¦ÀÛÇÑ ºÒ±ÔÄ¢ÇÑ Ä¡¾Æ¹è¿À» °®´Â 3Â÷¿ø ¸ðÇüÀ» ÀÏ·Ê·ÎÇÏ¿© 0.016NiTi archwire¸¦ bracket³»¿¡ »ðÀÔÇßÀ» ¶§ ¹ß»ýµÇ´Â Ãʱâ Èû°ú moment¸¦ ºÐ¼® ºñ±³Çغ» °á°ú ´ÙÀ½°ú °°Àº °á·ÐÀ» ¾ò¾ú´Ù.
1. BracketÀÇ º¯À§ ¶Ç´Â ±â¿ï±â¿¡ µû¶ó ³ªÅ¸³ª´Â ÈûÀÇ ¾ç»óÀÌ ¼±Çü ´ëĪÀûÀÎ ºñ·Ê°ü°è¸¦ º¸¿´´Ù.
2. Interbracket distance¿¡ µû¶ó ³ªÅ¸³ª´Â ÈûÀÇ ¾ç»óÀº ºñ¼±Çü ´ëĪÀûÀÎ ¹Ýºñ·Ê°ü°è¸¦ º¸¿´´Ù.
3. 3Â÷¿ø ¸ðÇü¿¡¼ bracketÇü»óÀÌ ºñ±³Àû ´Ü¼øÇÑ ºÎÀ§¿¡¼´Â Ç¥º»Çü»ó°ú ºñ±³ºÐ¼®ÀÌ °¡´ÉÇßÁö¸¸ ÀÎÁ¢Ä¡ÀÇ Çü»óÀÌ º¹ÀâÇÑ ºÎÀ§¿¡¼´Â Ç¥º»Çü»óÀÇ ¿¹Ãø·®º¸´Ù ÈûÀÌ Å©°Ô ¹ß»ýµÇ¾ú´Ù.
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