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Orthodontic treatment of an impacted maxillary central incisor with dilacerations

Korean Journal of Orthodontics 2007³â 37±Ç 2È£ p.159 ~ 163
ÀüÀ±½Ä, ÀÓ¿øÈñ, ±èÇýÁø,
¼Ò¼Ó »ó¼¼Á¤º¸
ÀüÀ±½Ä ( Chun Youn-Sic ) - ÀÌÈ­¿©´ë ÀÇ°ú´ëÇÐ Ä¡°ú±³Á¤ÇÐ
ÀÓ¿øÈñ ( Lim Won-Hee ) - ÀÌÈ­¿©´ë ÀÇ°ú´ëÇÐ Ä¡°ú±³Á¤ÇÐ
±èÇýÁø ( Kim Hye-Jin ) - ÀÌÈ­¿©´ë ÀÇ°ú´ëÇÐ Ä¡°ú±³Á¤ÇÐ

Abstract

½ÉÇÑ Ä¡±Ù ¸¸°îÀ» µ¿¹ÝÇÑ ¸Åº¹Àº ÈçÇÏÁö ¾ÊÀ¸¸ç, ƯÈ÷ »ó¾Ç ÀüÄ¡ÀÇ °æ¿ì¿¡ ±×·¯ÇÏ´Ù. ÀÌ´Â ¿Ü°úÀû ³ëÃâ°ú ±³Á¤Àû °ßÀÎÀÌ ÀÓ»óÀûÀ¸·Î ¸Å¿ì ¾î·Á¿ì¸ç, Ä¡±ÙÀ¯Âø, Ä¡±ÙÀÇ ¿ÜÈí¼ö, ±³Á¤Àû °ßÀÎ ÈÄ Ä¡±Ù ³ëÃâ µîÀÇ À§ÇèÀÌ ÀÖÀ» ¼ö Àֱ⠶§¹®ÀÌ´Ù. ºñ·Ï ¼º°øÀûÀ¸·Î Ä¡·áµÈ Áõ·Ê¶ó ÇÏ´õ¶óµµ Ä¡ÀºÀÇ ½É¹Ì¸¦ Çâ»ó½ÃÅ°±â À§ÇÏ¿© Ä¡ÁÖ¼ö¼úÀÌ ÇÊ¿äÇÑ °æ¿ì°¡ ¸¹´Ù. º» Áõ·Êº¸°í´Â ¹ßÀ°ÁßÀÎ ¸¸°îµÈ Ä¡±ÙÀ» °¡Áø ¿ªÀ§ ¸Åº¹µÈ »ó¾Ç ÁßÀýÄ¡ÀÇ closed eruption technique¸¦ ÀÌ¿ëÇÑ ±³Á¤ Ä¡Ç迹¸¦ ¼Ò°³ÇÏ¿´´Ù.

Impaction with a severely dilacerated root is seldom reported, especially in the maxillary incisor. It is probably because of the high clinical difficulty associated with bringing the dilacerated tooth into proper position, and the high chance of failure due to ankylosis, external root resolution, and root exposure after orthodontic traction. Even the successful cases may need periodontal surgery to improve the unesthetic gingival shape. However, it has previously been reported that an impacted maxillary central incisor was successfully treated by proper crown exposure and orthodontic traction. This article presents a case of an invertedly impacted maxillary right central incisor with a developing dilacerated root, which was aligned into proper position after orthodontic traction composed of two stages of a closed eruption technique.

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Impacted maxillary central incisor;Dilacerated tooth;Closed eruption technique

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