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MESIODENS IN THE VAULT OF THE PALATE

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ÃÖº´Àç ( Choi Byung-Jai ) - ¿¬¼¼´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç

Abstract

°úÀ×Ä¡´Â Ä¡¹è Çü¼º±â¿¡ Á¤»ó Ä¡ÆÇÀÇ °úµµÇÑ Áõ½ÄÀÇ °á°ú·Î ¹ß»ýÇÏ¸ç »ê¹ßÀûÀÏ ¼öµµ ÀÖ°í À¯ÀüÀûÀÏ ¼öµµ ÀÖ´Ù. ¹ß»ý ºóµµ´Â 1~3%À̸ç,2:1ÀÇ ºñÀ²·Î ³²¾Æ¿¡°Ô È£¹ßÇÑ´Ù. ÁÖ·Î »ó¾Ç Àü¹æºÎ¿¡¼­ ¸¹ÀÌ ¹ß°ßµÇ¸ç, ¸Åº¹, ¿µ±¸Ä¡ÀÇ À§Ä¡ ÀÌ»ó, Á¤ÁߺΠÀÌ°³, ³¶Á¾, ºñ°­À¸·ÎÀÇ ¸ÍÃâ µî°ú °°Àº ´Ù¾çÇÑ ÇÕº´ÁõÀ» ³ªÅ¸³¾ ¼öµµ ÀÖ´Ù.

»ó¾Ç Àü¹æºÎ¿¡¼­ ¹ß°ßµÇ¾îÁö´Â °úÀ×Ä¡´Â Ä¡Ãà¹æÇâ¿¡ µû¶ó À§Ä¡°¡ °áÁ¤µÇ¸ç »ó¾Ç Àü¹æºÎ °úÀ×Ä¡ÀÇ 1/3 Á¤µµ´Â ¿ªÀ§ ¸Åº¹µÇ¾î ¸ÍÃâÀÇ °¡´É¼ºÀÌ ¾øÁö¸¸, Ä¡³¶ÀÇ Ä¡°ü ºÎÀ§°¡ Á¤»óÀûÀÎ °ü°è·Î Á¸ÀçÇÏ´Â ÇÑ °úÀ×Ä¡ÀÇ À̵¿ÀÌ ÀϾ ¼ö ÀÖ´Ù. Ä¡¾ÆÀÇ À̵¿Àº °æ±¸°³, ¼Ò±¸Ä¡ ºÎÀ§, ºñ°­±îÁöµµ ÀϾ ¼ö ÀÖ´Ù. ¶ÇÇÑ Àü»ó¾Ç ¼öÁ÷°í°æÀÇ ¼ºÀåÀ¸·Î ½Ã°£ÀÌ Áö³²¿¡ ?¶ó ¿Ü°úÀû Á¢±ÙÀÌ ¾î·Á¿öÁú ¼ö ÀÖ´Ù.

ÀÌ¿¡ º» µÎ Áõ·Ê¿¡¼­´Â ¿ªÀ§ ¸Åº¹µÈ »ó¾Ç Àü¹æºÎÀÇ °úÀ×Ä¡°¡ ±¸°³ Ãø Á߾ӺαîÁö À̵¿µÈ °ÍÀ» ¹ß°ßÇÏ¿© ¿Ü°úÀûÀ¸·Î Á¦°ÅÇÏ¿´´Ù.

Supernumerary tooth develops as a result of abnormal proliferation of the dental lamina during the initiation stage of dental development. It could be a sporadic occurrence or a hereditary transmission. Supernumerary tooth occurs with a frequency of 1 to 3%, Generally, there is a 2:1 preference for boys. It is usually found in the anterior portion of the maxilla and may be associated with complications such as impaction, malposition of permanent teeth, formation of diastema, cysts and eruption into nasal cavity.

The position of supernumerary tooth found in the anterior portion of the maxilla is determined by the axis of the tooth. One third of supernumerary tooth in the anterior portion of the maxilla has no possibility of eruption due to its invertedly impacted position. However, as long as the coronal part of the follicle remain intact, migration of supernumerary tooth is possible. The migration may occur into the palate, the premolar region, the sinus or the nasal cavity. Also, growth of vertical dimension of maxilla could make surgical approach difficult as time goes by.

For this reason, we have found invertedly impacted mesiodens moved to the vault of the palate in the two cases, and extracted supernumerary tooth surgically.

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Supernumerary tooth;Tooth migration;Tooth eruption

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