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ROOT MALFORMATION OF PERMANENT INCISORS BY ALVEOLAR BONE FRACTURE

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ÃÖÇüÁØ ( Choi Hyung-Jun ) - ¿¬¼¼´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç
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¼ÕÈï±Ô ( Son Heung-Kyu ) - ¿¬¼¼´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç
±è½ÂÇý ( Kim Seung-Hye ) - ¿¬¼¼´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç
¼ÛÁ¦¼± ( Song Je-Seon ) - ¿¬¼¼´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç

Abstract

Ä¡¾ÆÇü¼º °úÁ¤ Áß Ä¡¹è ÁÖÀ§ÀÇ ¹°¸®Àû ÀÛ¿ëÀ̳ª ´ë»ç ȯ°æÀÇ º¯È­·Î Ä¡¾Æ ¹ß»ýÀº ¿µÇâÀ» ¹ÞÀ» ¼ö ÀÖ´Ù. À¯Ä¡¿­±â¿¡ °¡ÇØÁø ¿Ü»óÀº °è½Â ¿µ±¸Ä¡ÀÇ ¹ß»ý¿¡ Àå¾Ö¸¦ ÃÊ·¡½Ãų ¼ö ÀÖ´Â °¡Àå ´ëÇ¥ÀûÀÎ ¹°¸®Àû ¿äÀÎÀ¸·Î ÀÌ·Î ÀÎÇÑ ÇÕº´ÁõÀ¸·Î °è½Â ¿µ±¸Ä¡ÀÇ ¹ý¶ûÁú º¯»ö ¹× ÀúÇü¼ºÁõÀÌ °¡Àå ÈçÈ÷ ¹ß»ýÇÏ°í µå¹°°Ô ¸Åº¹, ÀÌ¼Ò ¸ÍÃâ, Ä¡±Ù Çü¼º Á¤Áö ¹× Ä¡±Ù ¸¸°î µîÀÌ ³ªÅ¸³­´Ù. º» Áõ·Ê¿¡¼­´Â ¸¸ 6¼¼ 5°³¿ùÀÇ ¿©ÀÚ ¾î¸°ÀÌ È¯ÀÚ°¡ ¾È¸éºÎ ¿Ü»óÀ» ÁÖ¼Ò·Î ³»¿øÇÏ¿© »ó¾Ç Á¿ì À¯ÁßÀýÄ¡ÀÇ Á¤Ã⼺ Å»±¸, »ó¾Ç ¿ìÃø À¯ÃøÀýÄ¡ÀÇ ÇÔÀÔ¼º Å»±¸, »ó¾Ç ÁÂÃø À¯ÃøÀýÄ¡ÀÇ ±¸°³Ãø Ãø¹æ Å»±¸·Î Áø´ÜµÇ¾ú°í, »ó¾Ç Ä¡ÀººÎÀÇ ¿­»ó°ú »ó¾Ç ÀüÄ¡ºÎÀÇ Ä¡Á¶°ñ °ñÀýÀÌ °üÂûµÇ¾ú´Ù. ³»¿ø ´çÀÏ Ä¡°ú ÀÀ±Þ½Ç¿¡¼­ µ¿¿äµµ°¡ ½ÉÇÑ »ó¾Ç Á¿ì À¯ÁßÀýÄ¡ÀÇ ¹ßÄ¡ ÈÄ Ä¡Àº ºÀÇÕ¼úÀ» ½ÃÇàÇÏ¿´´Ù. 24°³¿ù Á¤±â °ËÁø Áß ¹æ»ç¼± »çÁø »ó¿¡¼­ »ó¾Ç ÁÂ,¿ìÃø ÃøÀýÄ¡ÀÇ ¹é¾Ç ¹ý¶û °æ°è(Cemento enamel junction, CEJ) ±Ù¹æ¿¡ Ä¡±Ù ¸¸°îÀÌ °üÂûµÇ¾ú°í »ó¾Ç ÁßÀýÄ¡ Ä¡±ÙÀÇ Ä¡°üºÎ 1/3ºÎÀ§¿¡¼­ Ä¡±Ù Çü¼ºÀÌ Á¤ÁöµÇ°í ÀÖ´Â ¾ç»óÀÌ °üÂûµÇ¾ú´Ù. Ä¡Á¶°ñ °ñÀýÀÌ ¾î¸°ÀÌ¿¡¼­ ÈçÇÏ°Ô ³ªÅ¸³ª´Â ¿Ü»óÀÇ À¯ÇüÀº ¾Æ´Ï³ª º» Áõ·Ê¿¡¼­¿Í °°ÀÌ Ä¡±Ù ¹ßÀ°ÀÌ»ó µî ¿©·¯ ÇÕº´ÁõÀ» ÀÏÀ¸Å³ ¼ö ÀÖÀ¸¹Ç·Î ¿Ü»óÀ» ÀÔÀº ȯ¾Æ¿¡¼­ Ä¡Á¶°ñ °ñÀý ¿©ºÎ¿¡ ´ëÇÑ ¸é¹ÐÇÑ °Ë»ç ¹× ÁÖ±âÀûÀÎ °ËÁøÀº ¿¹ÈÄ ¿¹Ãø ¹× ÇâÈÄ Ä¡·á¿¡ À־ Áß¿äÇÒ °ÍÀÌ´Ù.

During tooth formation, tooth development can be affected by physical action or metabolic changes around dental follicle. Especially trauma to primary dentition is the most representative physical factor that can cause development disorders of succedaneous tooth. Enamel hypoplasia and crown discoloration of succedaneous tooth are common complications of trauma. And impaction, ectopic eruption, arrest of root formation and root dilaceration of succedaneous tooth are rare. In this case, a 6-year and 5-month-old female patient visited for dental evaluation after trauma. She was diagnosed with alveolar bone fracture near upper front teeth, extrusion of the upper right and left primary central incisors, intrusion of the upper right primary lateral incisor, and palatal luxation of the upper left primary lateral incisor. Upper right and left primary central incisors with severe mobility were extracted, with gingival suture on the day of the visit. During 24 months check up, root dilacerations were found near the cemento enamel junction in the upper lateral incisors and arrests of root formation were found on the coronal 1/3 of the root in the upper central incisors. Although alveolar bone fracture is rare type of trauma in children, a thorough examination of alveolar bone is essential for prognosis and following treatment in patients with trauma.

Å°¿öµå

À¯Ä¡¿­; ¿Ü»ó; Ä¡Á¶°ñ °ñÀý; ¿µ±¸ ÀüÄ¡; Ä¡±Ù Çü¼º ÀÌ»ó
Trauma; Alveolar bone fracture; Root malformation; Primary dentition; Permanent incisor

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