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TREATMENT OF ECTOPICALLY ERUPTED MAXILLARY FIRST PERMANENT MOLARS

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À±È¿Áø ( Yun Hyo-Jin ) - °­¸ª¿øÁÖ´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç
¹ÚÈ£¿ø ( Park Ho-Won ) - °­¸ª¿øÁÖ´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç
ÀÌÁÖÇö ( Lee Ju-Hyun ) - °­¸ª¿øÁÖ´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç
¼­Çö¿ì ( Seo Hyun-Woo ) - °­¸ª¿øÁÖ´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç

Abstract

À̼ҸÍÃâ(ectopic eruption)Àº ¿©·¯ °¡Áö ¿øÀε鿡 ÀÇÇØ Ä¡¾Æ°¡ ºñÁ¤»óÀû À§Ä¡·Î ¸ÍÃâÇÏ´Â °æ¿ì¸¦ ¸»Çϸç, ÁÖ·Î »ó¾Ç Á¦1´ë±¸Ä¡, ÇÏ¾Ç ÃøÀýÄ¡ ±×¸®°í »ó¾Ç °ßÄ¡¿¡¼­ ¹ß»ýµÈ´Ù. À̼ҸÍÃâ ÇÑ »ó¾Ç Á¦1´ë±¸Ä¡´Â Á¤»óº¸´Ù ±Ù½É¹æÇâÀ¸·Î ¸ÍÃâÇÏ¿©, µ¿Ãø»ó¾Ç Á¦2À¯±¸Ä¡ÀÇ ¿ø½ÉÇùÃø Ä¡±ÙÀ» Èí¼ö½ÃÅ°¸ç, °á±¹ »ó¾Ç Á¦1´ë±¸Ä¡´Â »ó¾Ç Á¦2À¯±¸Ä¡ ÇϹ濡 °É¸®°Ô µÈ´Ù. »ó¾Ç Á¦1´ë±¸Ä¡´Â ÀúÀÛ±â´É ¹× ±³ÇÕ¿¡ Áß¿äÇÑ ¿ªÇÒÀ» ÇÏ°í ÀÖÀ¸¹Ç·Î, À̼ҸÍÃâ ÇÑ »ó¾Ç Á¦1´ë±¸Ä¡´Â ÀûÀýÇÑ À§Ä¡·Î À̵¿ÀÌ ÇÊ¿äÇÏ´Ù. »ó¾Ç Á¦1´ë±¸Ä¡¸¦ ÀûÀýÇÑ À§Ä¡·Î À̵¿Çϱâ À§ÇÑ Ä¡·á¹æ¹ýÀ¸·Î´Â brass wire ¶Ç´Â elastic ringÀ» ÀÌ¿ëÇÑ separation, »ó¾Ç Á¦2À¯±¸Ä¡ÀÇ ¿ø½É¸é »èÁ¦, finger springÀ» Æ÷ÇÔÇÑ °íÁ¤¼º ¶Ç´Â °¡Ã¶¼º ÀåÄ¡, »ó¾Ç Á¦2À¯±¸Ä¡¸¦ ¹ßÄ¡ÇÑ ÈÄ °ø°£À¯ÁöÀåÄ¡ ¶Ç´Â °ø°£È¸º¹ÀåÄ¡ÀÇ ÀÌ¿ë µîÀÌ ÀÖ´Ù. º» Áõ·ÊµéÀº °­¸ª´ëÇб³ Ä¡°úº´¿ø¿¡ ³»¿øÇÑ È¯Àڵ鿡¼­ À̼ҸÍÃâ ÇÑ »ó¾Ç Á¦1´ë±¸Ä¡¸¦ ±â¼º±Ý°üÀÇ Àç½ÃÀû, brass wireÀÇ Àû¿ë, active plate¸¦ ÀÌ¿ëÇÏ¿© ÀûÀýÇÑ À§Ä¡·Î À̵¿½ÃÄÑ ¾çÈ£ÇÑ ±³ÇÕÀ» ÀÌ·ç¾ú±â¿¡ À̸¦ º¸°íÇÏ´Â ¹ÙÀÌ´Ù.

Ectopic eruption means the eruption of the tooth in an abnormal position due to multiple factors, which found most frequently in maxillary fist permanent molars, mandibular lateral incisors and maxillary permanent canines. Ectopic eruption of the maxillary first permanent molar occurs when the molar erupts with a more mesial angulation than normal, and locks itself in an atypical resorption on the distobuccal root of the second primary molar. The maxillary first permanent molar plays important roles for mastication and occlusion, so ectopically erupted maxillary first permanent molars should be relocated into proper position. Treatment options are separation by insertion of the brass wire or elastic rings, preparation of distal aspect of the maxillary second primary molar, using fixed or removable appliance with finger spring, and placement of space maintainer or space regainer after extraction of the maxillary second primary molar. We report three cases treated of ectopically erupted maxillary first permanent molar by re-setting of stainless steel crowns, placement of brass wire and using active plate. We could find out distal movement of maxillary first permanent molars into proper position and normal occlusion.

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À̼ҸÍÃâ; »ó¾Ç Á¦1´ë±¸Ä¡; ±â¼º±Ý°üÀÇ Àç½ÃÀû
Ectopic eruption; Maxillary first permanent molar; Re-setting of stainless steel crown; Brass wire; Active plate

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