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ERUPTION GUIDANCE OF IMPACTED MANDIBULAR FIRST MOLAR BY SURGICAL EXPOSURE

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±èÀºÁ¤ ( Kim Eun-Jung ) - °æºÏ´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç
±è³­Áø ( Kim Nan-Jin ) - °æºÏ´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç
Á¶È£Áø ( Jo Ho-Jin ) - °æºÏ´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç
±èÇöÁ¤ ( Kim Hyun-Jung ) - °æºÏ´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç
±è¿µÁø ( Kim Young-Jin ) - °æºÏ´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç
³²¼øÇö ( Nam Soon-Hyeun ) - °æºÏ´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç

Abstract

ÇÏ¾Ç Á¦ 1´ë±¸Ä¡ ¸Åº¹ÀÇ ¹ß»ý ºóµµ´Â Àüü Àα¸ÀÇ 0.01%·Î µå¹°°Ô ³ªÅ¸³­´Ù. ¸Åº¹ÀÇ ¿øÀÎÀ¸·Î´Â ¸ÍÃâ °ø°£ÀÇ ºÎÁ·, °úÀ×Ä¡, Ä¡¼º Á¾¾çÀ̳ª ³¶°ú °°Àº ¸ÍÃâ·Î»óÀÇ Àå¾Ö¹°, À¯ÀüÀû ¿äÀÎ, ³»ºÐºñ Áúȯ, ¿Ü»ó µîÀÌ ÀÖ´Ù. ÇÏ¾Ç Á¦ 1´ë±¸Ä¡ÀÇ ¸Åº¹À¸·Î ÀÎÇØ ÇÏ¾È¸é °í°æÀÇ °¨¼Ò, ³¶ÀÇ Çü¼º, Ä¡°ü ÁÖÀ§¿°, ÀÎÁ¢Ä¡ÀÇ Ä¡±Ù Èí¼ö, ºÎÁ¤ ±³ÇÕ µîÀÇ ºÎÀÛ¿ëÀÌ »ý±æ ¼ö ÀÖÀ¸¸ç, Ä¡·á ¹æ¹ýÀ¸·Î´Â ¿Ü°úÀû ³ëÃâ¼ú, ±³Á¤Àû °ßÀÎ, ¿Ü°úÀû ÀçÀ§Ä¡¼ú, ¹ß°Å µîÀÌ ÀÖ´Ù.

´ÙÀ½ÀÇ µÎ Áõ·Ê´Â ÇÏ¾Ç Á¦ 1´ë±¸Ä¡ÀÇ ¹Ì¸ÍÃâÀ» ÁÖ¼Ò·Î ³»¿øÇÑ È¯¾Æ¿¡°Ô ¿Ü°úÀû ³ëÃâ¼úÀ» ½ÃÇàÇÏ¿© ¿ø½É °æ»ç ¸Åº¹µÈ ÇÏ¾Ç Á¦ 1´ë±¸Ä¡ÀÇ ÀÚ¹ßÀû ¸ÍÃâÀ» À¯µµÇÑ Áõ·ÊµéÀÌ´Ù.

Impaction of mandibular first molar is relatively rare and its overall frequency has been reported to be 0.01%. The etiology of impaction are lack of eruption space, physical obstacles such as supernumerary teeth, odontomas or odontogenic tumors, hereditary factors, functional disturbances of endocrine glands and traumas. Impaction of mandibular first molar can result in a short lower facial height, formation of a follicular cyst, pericoronal inflammation, resorption of the roots of neighboring teeth and malocclusion. The treatment options available for impacted teeth include surgical exposure, orthodontic forced eruption, surgical repositioning and surgical removal of unerupted molar.

This report presents two cases of distally tilted and impacted mandibular first molars which were treated by surgical exposure. In these cases, we could observe spontaneous eruption of the impacted mandibular first molars after surgical exposure.

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¿Ü°úÀû ³ëÃâ¼ú;ÇÏ¾Ç Á¦ 1´ë±¸Ä¡;¸Åº¹;ÀÚ¹ßÀû ¸ÍÃâ
Surgical exposure;Mandibular first molar;Impaction;Spontaneous eruption

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