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A STUDY OF THE CORRELATION BETWEEN THE FEATURES OF MESIODENS AND COMPLICATIONS.

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Abstract

ÀúÀÚ´Â 1996³â 4¿ùºÎÅÍ 1998³â 7¿ù±îÁö ¼­¿ï´ëÇб³º´¿ø ¼Ò¾ÆÄ¡°ú¿¡ ³»¿øÇÑ »ó¾ÇÁ¤ÁߺΠ°úÀ×Ä¡¸¦ Áö´Ñ È¥ÇÕÄ¡¿­±â ¹× ¿µ±¸Ä¡¿­±â ¾Æµ¿ 152¸íÀ» ´ë»óÀ¸·Î ÇÏ¿© ÀÓ»óÀû, ¹æ»ç¼±ÇÐÀû °Ë»ç¸¦ ÅëÇØ È¯¾ÆÀÇ ¿¬·É, ¼ºº°°ú »ó¾ÇÁ¤ÁߺΠ°úÀ×Ä¡ÀÇ º¸À¯¼ö, ¸ÍÃâ¿©ºÎ, Ä¡°ü ÇüÅÂ, À§Ä¡, Ä¡°ü ¹æÇâ°ú º´¹ßÁõÀ» Á¶»çÇÏ°í »ó¾ÇÁ¤ÁߺΠ°úÀ×Ä¡ÀÇ ¾çÅÂ¿Í º´¹ßÁõÀÇ »ó°ü°ü°è¸¦ chi-square analysis¸¦ ÀÌ¿ëÇØ ºÐ¼®ÇÏ¿© ´ÙÀ½°ú °°Àº °á·ÐÀ» ¾ò¾ú´Ù.
1. »ó¾ÇÁ¤ÁߺΠ°úÀ×Ä¡·Î ÀÎÇÑ º´¹ßÁõÀÌ ³ªÅ¸³ªÁö ¾ÊÀº °æ¿ì°¡ 31.6%, ÀÎÁ¢ ¿µ±¸ÀüÄ¡ÀÇ ¸ÍÃâ Áö¿¬À» ¾ß±âÇÑ °æ¿ì°¡ 33.6%, Á¤ÁßÀÌ°³°¡ 22.4%, ȸÀüÀÌ 8.6%, ÀüÀ§°¡ 3.3%, ÃÑ»ýÀÌ 0.7%À̾ú´Ù.
2. 8.5¼¼ ÀÌ»ó ±º¿¡ ºñÇØ 8.5¼¼ ¹Ì¸¸ ±º¿¡¼­ º´¹ßÁõ ¹ß»ý ºóµµ°¡ À¯ÀǼº ÀÖ°Ô ³ô¾ÒÀ¸¸ç(P<0.05), »ó¾ÇÁ¤ÁߺΠ°úÀ×Ä¡°¡ ¼³Ãø¿¡ À§Ä¡ÇÑ °æ¿ì¿¡ ºñÇØ ÇùÃøÀ̳ª Ä¡±Ã³» À§Ä¡ÇÑ °æ¿ì¿¡ º´¹ßÁõ ¹ß»ý ºóµµ°¡ À¯ÀǼº ÀÖ°Ô ³ô¾Ò´Ù(P<0.01). ¶Ç °áÀýÇüÀÎ °æ¿ì¿¡ º´¹ßÁõ ¹ß»ý ºóµµ°¡ À¯ÀǼº ÀÖ°Ô ³ô¾Ò´Ù(P<0.05).
3. º´¹ßÁõÀÌ ³ªÅ¸³­ 104¸íÀ» ´ë»óÀ¸·Î Á¶»çÇÑ °á°ú 8.5¼¼ ¹Ì¸¸ ±º¿¡¼­ ¸ÍÃâÁö¿¬ÀÇ ºóµµ°¡, 8.5¼¼ ÀÌ»ó ±ºÀÎ °æ¿ì¿¡´Â ºÎÁ¤±³ÇÕÀÇ ºóµµ°¡ À¯ÀǼº ÀÖ°Ô ³ô¾Ò°í(P<0.05), »ó¾ÇÁ¤Áߺο¡ À§Ä¡ÇÏ´Â °æ¿ì ºÎÁ¤±³ÇÕÀÇ ºóµµ°¡, ÆíÀ§µÈ °æ¿ì¿¡´Â ¸ÍÃâÁö¿¬ÀÇ ºóµµ°¡ À¯ÀǼº ÀÖ°Ô ³ô¾Ò´Ù(P<0.01).

Authors evaluated 152 patients at the department of Pediatric Dentistry in Seoul National University Hospital through clinical records and radiographs. And the following features were studied : age, sex distribution, number of mesiodens per patients, location, status of eruption, shape and ori¡©entation of crown, and complication. From the above results,the relationship between features of mesiodens and complications were evaluated using chi-square analysis.
I . Complications due to the presence of mesiodens did not occur in 31.6%, delayed eruption of
adjacent teeth was observed in 33.6%, midline diastema in 22.4%, rotation in 8.6%, displacement
in 3.3%, and crowding in 0.7% of all evaluated patients.
2. As compared with the above 8.5 year group, in the under 8.5 year group, the frequency of com¡©plications was significantly higher(P(0.05). As compared with those positioned lingually, in mesio¡©dens labially or within the arch the frequency of complications was significantly higher (P(0.01) . Also, the frequency of complications was significantly higher when the,mesiodens was tuberculate in form(P(0.05).
3. Of the 104 patients with complications, the frequency of delayed eruption was significant high¡©er in the under 8.5 year group, and in above 8.5 year group, the frequency of malocclusion was significantly higher(P(0.05). When mesiodens were located in the midline region, the frequency of malocclusion was significant higher, while in case with laterally positioned mesiodens the frequency of delayed eruption was significantly higher(P(0.01).

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º´¹ßÁõ;»ó°ü°ü°è;»ó¾ÇÁ¤ÁߺΠ°úÀ×Ä¡;¾çÅÂ;complication;correlation;feature;mesiodens

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