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Single Median Maxillary Central Incisor(SMMCI) ȯ¾ÆÀÇ Áõ·Êº¸°í

CASE REPORTS OF SINGLE MEDIAN MAXILLARY CENTRAL INCISOR

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½ÅÀ±°æ ( Shin Yun-Kyung ) - ¼­¿ï´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç
±è¿µÀç ( Kim Young-Jae ) - ¼­¿ï´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç
±èÁ¤¿í ( Kim Jung-Wook ) - ¼­¿ï´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç
Àå±âÅà( Jang Ki-Taeg ) - ¼­¿ï´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç
ÀÌ»óÈÆ ( Lee Sang-Hoon ) - ¼­¿ï´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç
ÇѼ¼Çö ( Hahn Se-Hyun ) - ¼­¿ï´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç
±èÁ¾Ã¶ ( Kim Chong-Chul ) - ¼­¿ï´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç

Abstract

Single Median Maxillary Central Incisor(SMMCI)´Â »ó¾Ç ÁßÀýÄ¡ Çü¼ººÎÀüÀ¸·Î ÇϳªÀÇ »ó¾Ç ÁßÀýÄ¡°¡ Á¤Áß¾Ó¿¡ À§Ä¡ÇÏ´Â Ä¡¾Æ ¹ß´ÞÀÇ ÇغÎÇÐÀû ÀÌ»óÀ» ÀǹÌÇÑ´Ù. 50,000¸í Áß¿¡ 1¸í ²Ã·Î ¹ß»ýÇÒ Á¤µµ·Î ¾ÆÁÖ µå¹°¸ç °¢Á¾ ÁõÈıº ¹× Á¤Áß¼± ÀÌÇü¼ºÀ» º¸ÀÌ´Â ¹ß´ÞÀå¾Ö¿Í ¿¬°üµÇ¾î ³ªÅ¸³ª´Â °ÍÀ¸·Î º¸°íµÇ°í ÀÖ´Ù. SMMCI´Â ´Ù¸¥ ÀÌ»ó°ú ¿¬°èµÇÁö ¾Ê°í µ¶¸³ÀûÀ¸·Î ³ªÅ¸³¯ ¼öµµ ÀÖÀ¸³ª »ó¿°»öü ¿ì¼ºÀ¯ÀüÀÎ ÀüÀü³úÁõ(holoprosencephaly)ÀÇ °æ¹ÌÇÑ ¹ßÇöÀÏ °¡´É¼ºÀÌ ÀÖÀ¸¹Ç·Î À¯ÀüÀÚ »ó´ãÀÌ ÇÊ¿äÇÏ´Ù. ¶Ç Ư¡ÀûÀÎ ¾È¸ð ¹× ±¸°­ »óŸ¦ º¸À̹ǷΠȯ¾ÆÀÇ ¹Ù¶÷Á÷ÇÑ ½ÅüÀû, Á¤¼­Àû ¹ß´ÞÀ» À§ÇØ Á¶±â¿¡ ±³Á¤Àû Á¢±ÙÀÌ ÇÊ¿äÇÏ´Ù. º» Áõ·Ê´Â ´Ù¸¥ ÀÌ»ó ¼Ò°ßÀ» º¸ÀÌÁö ¾Ê´Â ¼¼ ¸íÀÇ SMMCI ȯ¾ÆÀÇ Áõ·Ê¸¦ º¸°íÇÏ´Â ¹ÙÀÌ´Ù.

Anatomic abnormalities of teeth development include the presence of a single maxillary central incisor at midline instead of two central incisors. The incidence of cases with a single maxillary central incisor is approximately 1 in every 50,000 live births. single median maxillary central incisor(SMMCI) may be a integral manifestation of any one of a number of syndromes. It has been reported an association with several midline disorders which have varied in severity. A SMMCI has also been reported as an isolated finding. But in some cases, it has been considered as an incomplete expression of autosomal dominant holoprosencephaly. So any patient who appears for treatment with a SMMCI should be referred for a detailed medical examination to exclude other associated systemic abnormalities and for mutation analysis to facilitate correct diagnosis and the provision of appropriate genetic counseling. Early orthodontic treatment is needed to minimalize emotional trauma of child. This case report was about three patients with a SMMCI as isolated finding. The purpose of these case reports was to present cases of single maxillary central incisor not associated with other disorders.

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Á¤Áß¼± ÀÌÇü¼º; ÀüÀü³úÁõ
Single median maxillary central incisor(SMMCI); Midline disorders; Holoprosencephaly

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