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Retrospective study on three-dimensional characteristics of mesiodens using CBCT in pediatric dentistry

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À¯Áö¿¬ ( Ryu Gi-Youn ) - Seoul National University School of Dentistry Department of Pediatric Dentistry
¼ÛÁö¼ö ( Song Ji-Soo ) - Seoul National University School of Dentistry Department of Pediatric Dentistry
½ÅÅÍÀü ( Shin Teo-Jeon ) - Seoul National University School of Dentistry Department of Pediatric Dentistry
ÇöÈ«±Ù ( Hyun Hong-Keun ) - Seoul National University School of Dentistry Department of Pediatric Dentistry
±èÁ¤¿í ( Kim Jung-Wook ) - Seoul National University School of Dentistry Department of Pediatric Dentistry
Àå±âÅà( Jang Ki-Taeg ) - Seoul National University School of Dentistry Department of Pediatric Dentistry
ÀÌ»óÈÆ ( Lee Sang-Hoon ) - Seoul National University School of Dentistry Department of Pediatric Dentistry
±è¿µÀç ( Kim Young-Jae ) - Seoul National University School of Dentistry Department of Pediatric Dentistry

Abstract

ÀÌ ¿¬±¸ÀÇ ¸ñÀûÀº Cone-beamÇü Àü»êÈ­ ´ÜÃþÃÔ¿µ¼ú ¿µ»óÀ» ÀÌ¿ëÇÏ¿© Á¤Áß°úÀ×Ä¡ÀÇ 3Â÷¿øÀûÀΠƯ¼ºµé¿¡ ´ëÇØ Á¶»çÇÏ°í ÀÌ Æ¯¼ºµé°ú¹ß°Å ½Ã ¸¶Ãë ¹æ¹ý ¹× ÇÕº´Áõ¿¡ ¿µÇâÀ» ¹ÌÄ¡´Â ¿äÀε鿡 ´ëÇØ ºÐ¼®ÇÏ´Â °ÍÀÌ´Ù. À̸¦ À§ÇØ 2017³âºÎÅÍ 2019³â±îÁö ¼­¿ï´ëÇб³ Ä¡°úº´¿ø ¼Ò¾ÆÄ¡°ú¿¡¼­ °úÀ×Ä¡¸¦ ¹ß°ÅÇÑ È¯ÀÚ 452¸íÀÇ ÃÑ 602°³ÀÇ Á¤Áß°úÀ×Ä¡¸¦ Æò°¡ÇÏ¿´´Ù.
Áö³­ 20³â°£ ¿¬µµº° Àüü ȯÀÚ Áß Á¤Áß°úÀ×Ä¡ ȯÀÚ¼öÀÇ ºñÀ²ÀÌ Á¡Â÷ Áõ°¡ÇÏ´Â °æÇâÀ» º¸¿´´Ù. Á¤Áß°úÀ×Ä¡ ¹æÇâ Áß ¼ø-±¸°³ ¹æÇâÀǼöÆòÀ§°¡ ±Ù¿ø½É ¹æÇâÀÇ ¼öÆòÀ§º¸´Ù ¾à 3.2¹è ¸¹ÀÌ °üÂûµÇ¾úÀ¸¸ç ¼ø-±¸°³ ¹æÇâÀÇ ¼öÆòÀ§ Áß Ä¡±ÙÀÌ ¼øÃøÀ» ÇâÇÏ´Â °æ¿ì°¡ Àüü ¼öÆòÀ§ Áß¿¡¼­ °¡Àå ³ô°Ô ³ªÅ¸³µ´Ù. Á¤Áß°úÀ×Ä¡ÀÇ ½Ã»ó¸é¿¡ÀÇ »óÇÏ À§Ä¡´Â ´ëºÎºÐÀÌ ÀÎÁ¢ ¿µ±¸Ä¡ÀÇ Ä¡°æºÎ Ãø(37.0%)¿¡¼­ °¡Àå ¸¹ÀÌ °üÂûµÇ¾ú°í ¼ø-±¸°³ÃøÀÇ ¸Åº¹ Á¤µµ¸¦ °üÂûÇÑ °á°ú ±Ù-±¸°³ÃøÀÌ ¿ø-±¸°³ÃøÀÇ ¾à 3.83¹è Á¤µµ ´õ ³ô°Ô °üÂûµÇ¾ú´Ù. ´ëºÎºÐÀÇ Á¤Áß°úÀ×Ä¡(98.5%)°¡ CBCT»ó¿¡¼­ ÀÎÁ¢ ¿µ±¸Ä¡¿Í Á¢ÃËÇØ ÀÖ´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù. Á¤Áß°úÀ×Ä¡ Áß 46.2%¿¡¼­ ¸¸°îµÈ Ä¡±ÙÀÌ °üÂûµÇ¾ú°í, Ä¡±ÙÀÌ ¸¸°îµÈ Á¤Áß°úÀ×Ä¡ Áß Ä¡±ÙÀÇ Ä¡±Ù´ÜÃø ¿¡¼­ÀÇ ¸¸°îÀÌ Ä¡±ÙÀÇ Ä¡°æºÎÃø¿¡ ºñÇØ ¾à 1.83¹è ³ô°Ô ³ªÅ¸³µ´Ù. ¼Ò¾ÆȯÀÚÀÇ Á¤Áß°úÀ×Ä¡ ¹ß°Å½Ã »ç¿ëÇÑ ¸¶Ãë ¹æ¹ý Áß¿¡¼­´Â Àü½Å¸¶Ãë(72.6%)¸¦ ½ÃÇàÇÏ¿© Á¤Áß°úÀ×Ä¡¸¦ ¹ß°ÅÇÑ °æ¿ì°¡ °¡Àå ¸¹¾Ò´Ù. ȯ¾ÆÀÇ ¿¬·É, ½Ã»ó¸é¿¡¼­ÀÇ »óÇÏ À§Ä¡, ºÎÀÛ¿ë À¯¹«°¡ Àü½Å¸¶Ãë ½ÃÇà ¿©ºÎ¿¡ À¯ÀÇÇÑ ¿µÇâÀ» ¹ÌÄ¡´Â ¿äÀÎÀ¸·Î È®ÀεǾú°í Á¤Áß°úÀ×Ä¡ÀÇ ¹æÇâ ¹× ½Ã»ó¸é¿¡¼­ÀÇ »óÇÏÀ§Ä¡°¡ ÇÕº´Áõ¿¡ ¿µÇâÀ» ¹ÌÄ¡´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù.
À̹ø ¿¬±¸ÀÇ °á°ú´Â Á¤Áß°úÀ×Ä¡¿¡ ´ëÇÑ ÀÌÇظ¦ µµ¿Í Á¤È®ÇÑ Áø´Ü ¹× ÀûÀýÇÑ Ä¡·á°èȹÀ» ¼ö¸³Çϴµ¥ À¯¿ëÇÑ Á¤º¸¸¦ Á¦°øÇÒ ¼ö ÀÖÀ»°ÍÀ¸·Î »ç·áµÈ´Ù.

The purpose of this study was to investigate the three-dimensional characteristics of mesiodens using Cone-beam Computed Tomography(CBCT) and analyze the factors affecting complications and anesthetic methods of extraction. This study evaluated 602 mesiodens of 452 patients who underwent extraction of mesiodens at the department of Pediatric Dentistry in Seoul National University Dental Hospital between 2017 and 2019.
The ratio of mesiodens patients over total patient per year was gradually increased over the past 20 years. Mesiodens with labio-palatally horizontal direction while root directing labial were the most common among the mesiodens with horizontal direction. Mesiodens were the most common at the cervical side of the adjacent teeth(37.0%) and mesiodens located in the near-palatal side were observed about 3.83 times higher than the far-palatal side. Most of the mesiodens(82.1%) were in contact with adjacent permanent teeth on all three sides of the CBCT and 46.2% of mesiodens had curved roots. The patient¡¯s age, vertical position, presence of complications, and proximity showed a significant difference in the selection of general anesthesia among anesthetic methods. The direction and vertical position of mesiodens had a significant effect on complications.
These results provide a better understanding of mesiodens for establishing an accurate diagnosis and treatment plan.

Å°¿öµå

Mesiodens; Supernumerary; Tooth; Cone-Beam Computed Tomography

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