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The frog appliance for upper molar distalization

Korean Journal of Orthodontics 2010³â 40±Ç 1È£ p.50 ~ 60
Mehmet Bayram, Metin Nur, Dogan Kilkis,
¼Ò¼Ó »ó¼¼Á¤º¸
 ( Mehmet Bayram ) - Karadeniz Technical University Ä¡°ú±³Á¤Çб³½Ç
 ( Metin Nur ) - Karadeniz Technical University Ä¡°ú±³Á¤Çб³½Ç
 ( Dogan Kilkis ) - Karadeniz Technical University Ä¡°ú±³Á¤Çб³½Ç

Abstract

º»°íÀÇ ¸ñÀûÀº 2±Þ 1·ù Ä¡¿­¾È¸é ±¸Á¶¸¦ °¡Áö´Â ÇÑ È¯ÀÚ¿¡ Àû¿ëµÈ »õ·ÎÀÌ °í¾ÈµÈ »ó¾Ç ´ë±¸Ä¡ ¿ø½É À̵¿ ÀåÄ¡ÀÎ Frog applianceÀÇ È¿°ú¸¦ Æò°¡Çϱâ À§ÇÔÀÌ´Ù. 11¼¼ÀÇ ¿©ÀÚ È¯ÀÚ°¡ ±³Á¤ Ä¡·á¸¦ À§ÇØ º» Áø·á½Ç·Î ÀǷڵǾú´Ù. ȯÀÚ´Â ¹Ì¾àÇÑ 2±Þ °ñ°Ý°ü°è¿Í 2±ÞÀÇ ´ë±¸Ä¡ ¹× °ßÄ¡ °ü°è¸¦ ¾çÃø ¸ðµÎ¿¡¼­ º¸ÀÌ°í ÀÖ¾ú´Ù. °íÁ¤¼º ÀåÄ¡ Ä¡·á¸¦ ÅëÇØ ¾çÃø »ó¾Ç Á¦1´ë±¸Ä¡¸¦ ¿ø½É À̵¿½ÃÅ°´Â ¹æ¹ýÀ» Æ÷ÇÔÇÏ´Â Ä¡·á °èȹÀ» ¼ö¸³ÇÏ¿´À¸¸ç »ó¾Ç ´ë±¸Ä¡¸¦ ¿ø½É À̵¿Çϱâ À§ÇØ »õ·ÎÀÌ °í¾ÈµÈ Frog appliance¸¦ Á¦ÀÛ ¹× Àû¿ëÇÏ¿´´Ù. Ãø¸ð µÎºÎ¹æ»ç¼± »çÁøÀ¸·Î Ä¡·á °á°ú¸¦ Æò°¡ÇÏ¿´À¸¸ç »ó¾Ç Á¦1´ë±¸Ä¡ÀÇ ¿ø½É À̵¿ÀÌ 4°³¿ùÀÇ Ä¡·á ±â°£ µ¿¾È ÀÌ·ç¾î Á³°í 1±ÞÀÇ ±¸Ä¡ °ü°è°¡ ¾ò¾îÁ³´Ù. ÃÑ Ä¡·á ±â°£Àº 16°³¿ùÀÌ ¼Ò¿äµÇ¾ú´Ù. µÎºÎ¹æ»ç¼± »çÁøÀ» Æò°¡ÇÑ °á°ú ¾à°£ÀÇ °íÁ¤¿ø »ó½Ç°ú ÇÔ²² ´ë±¸Ä¡ÀÇ ¿ø½É À̵¿ÀÌ Ä¡Ãà À̵¿¿¡ °¡±õ°Ô ÀϾ °ÍÀ» È®ÀÎÇÏ¿´´Ù. °á·ÐÀûÀ¸·Î Frog appliance´Â ȯÀÚÀÇ ÇùÁ¶¸¦ ¿äÇÏÁö ¾Ê´Â ÀåÄ¡·Î¼­ °£´ÜÇÏ°í È¿°úÀûÀ¸·Î ¾çÃø ´ë±¸Ä¡ÀÇ ¿ø½ÉÀ̵¿À» ÀÌ·ê ¼ö ÀÖ´Â ±¸³» ÀåÄ¡ÀÌ´Ù.

The purpose of this article was to evaluate the effects of a new upper molar distalization system, the Frog Appliance, on dentofacial structures in a Class II, division 1 patient. An 11-year-old girl was referred to our clinic for orthodontic treatment. She had a mild skeletal Class II malocclusion with Class II molar and canine relationship on both sides. The treatment plan included distalization of the upper first molars bilaterally followed by full fixed appliance therapy. For the upper molar distalization, a new system, the Frog Appliance, was constructed and applied. Lateral cephalometric radiographs were used to evaluate the treatment results. Distalization of the upper first molars was achieved in four months successfully, and Class I molar relationship was obtained. Total treatment time was 16 months. According to the results of the cephalometric evaluation, a nearly bodily distal molar movement with a slight anchorage loss was attained.
In conclusion, the Frog Appliance was found to be a simple, effective, non-invasive, and compliance-free intraoral distalization appliance for achieving bilateral molar distalization.

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¿ø½ÉÀ̵¿;2±Þ ºÎÁ¤±³ÇÕ;°íÁ¤¿ø;ÀåÄ¡
Distalizing;Class II;Anchorage;Appliances

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