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SHORT-TERM EFFECTS OF THE FUNCTIONAL REGULATOR III APPLIED TO ANTERIOR CROSSBITE PATIENTS IN EARLY MIXED DENTITION

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Abstract

±â´É¼º ÀüÄ¡ºÎ ¹Ý´ë±³ÇÕÀ» °¡Áø ¼ºÀå±â ȯÀÚÀÇ °æ¿ì, Á¶±â¿¡ ¿øÀÎÀ» Á¦°ÅÇÔÀ¸·Î½á °ñ°Ý¼ºÀ¸·Î ÀÌÇàÇÏ´Â °ÍÀ» ¹æÁöÇÏ°í ¼ºÀå Á¶Àý·Î ¾Ç°ñ °ü°è¸¦ °³¼±ÇÔÀ¸·Î½á Á¤»óÀûÀÎ ±â´É°ú ¾È¸ð¸¦ À¯µµÇÒ ¼ö ÀÖ´Ù. 1966³â Rlf Frnkel¿¡ ÀÇÇØ ¼Ò°³µÈ Functional regulator(FR)ÀÇ ÇÑ Á¾·ùÀÎ FR III´Â ±â´É¼º ÀüÄ¡ºÎ ¹Ý´ë±³ÇÕ ¹× »ó¾ÇÀÇ ¿­¼ºÀåÀ» µ¿¹ÝÇÑ ¹Ý´ë±³ÇÕÀ» Ä¡·áÇϱâ À§ÇØ À¯Ä¡¿­±â, È¥ÇÕÄ¡¿­±â Ãʱâ, ¹× ¿µ±¸Ä¡¿­±â¿¡ »ç¿ëµÇ°í ÀÖ´Ù. ÀÌ ÀåÄ¡´Â ºñÁ¤»óÀûÀÎ ±ÙÀ°·ÂÀ» Â÷´ÜÇÏ¿© ±¸°­ ³» Ä¡¿­ ¹× ¾Ç°ñ¿¡ ´ëÇÑ ÈûÀÇ ºÒ±ÕÇü »óŸ¦ °³¼±ÇÏ¿© Á¤»óÀûÀÎ ¼ºÀå ¹ßÀ°À» ÇÒ ¼ö ÀÖ°Ô ÇÏ´Â ¾ÇÁ¤Çü ÀåÄ¡ÀÌ´Ù. À̹ø Áõ·Ê¿¡¼­´Â Ãʱâ È¥ÇÕÄ¡¿­±â¿¡¼­ ±â´É¼º ¹Ý´ë±³ÇÕÀ» °¡Áø ȯÀÚÀÇ ÀÓ»ó ÄÉÀ̽º¸¦ ¼±º°ÇÏ¿© FR III ÀåÄ¡¸¦ »ç¿ëÇÏ¿© ´ÙÀ½°ú °°Àº ¾çÈ£ÇÑ °á°ú¸¦ ¾ò¾ú´Ù. 1. Ãʱâ È¥ÇÕÄ¡¿­±â ȯ¾Æ¿¡¼­ FR III ÀåÄ¡¸¦ 5~6°³¿ù Á¤µµ ´Ü±â°£ ÀåÂøÇÏ¿© ÀüÄ¡ºÎ ¹Ý´ë±³ÇÕÀ» Ä¡·áÇÏ¿´À¸¸ç, ÇùÃø Â÷ÆóÆÇ¿¡ ÀÇÇØ ¹ß»ýÇÒ ¼ö ÀÖ´Â »ó¾ÇÀÇ È¾ÀûÀÎ ¾Ç°ñ º¯È­´Â ³ªÅ¸³ªÁö ¾Ê¾Ò´Ù. 2. »ó, ÇÏ¾Ç ÀüÄ¡ÀÇ Ä¡¼º º¯È­¿Í ÇϾÇÀÇ ÈÄÇϹæ ȸÀüÀÇ È¿°ú¸¦ ÅëÇØ Á¤»óÀûÀÎ Ä¡¿­°ü°èÀÇ È¸º¹°ú ½É¹ÌÀûÀÎ ¾È¸ð¸¦ ¾òÀ» ¼ö ÀÖ¾ú´Ù.

In case of treating the functional type of anterior cross bite, removing the cause in early stage prevents from turning to skeletal type, leads to perform normal function, and has improved facial appearance. Functional Regulator III (FR III), one kind of the Functional regulator(FR)s suggested by Rlf Frnkel in 1966, applied to patients with the functional and skeletal anterior crossbite in early mixed, and permanent dentition. This appliance improves unbalanced power condition by blocking abnormal muscle-power effect, so that normal growth can be expected. In this case report, favorable results were obtained by selecting clinical cases of children in their early mixed dentition with functional cross bite. 1. FR IIIs were applied to patients with anterior crossbite for 5~6 months. Anterior crossbite patients were corrected favorably, nevertheless they didn¡¯t show any horizontal skeletal-changes by buccal shields. 2. Normal occlusion and esthetic facial contour were achieved from dental movement of maxillary and mandibular anterior teeth while the mandible rotates to posterior and inferior direction.

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ÀüÄ¡ºÎ ¹Ý´ë±³ÇÕ; Ãʱâ È¥ÇÕÄ¡¿­±â; ´Ü±âÈ¿°ú
Anterior crossbite; FR III; Early mixed dentition; Short-term effect

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