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A Clinical and Radiological Study of Regional Odontodysplasia: Five-year Follow-up

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Abstract

±¹¼ÒÀû Ä¡¾ÆÀÌÇü¼ºÁõ(Regional Odontodysplasia)Àº µå¹°°Ô ¹ß»ýÇÏ´Â ¹ßÀ°¼º Àå¾Ö·Î, ÀÌȯµÈ Ä¡¾Æ´Â ÀÓ»óÀû, ¹æ»ç¼±ÇÐÀû, Á¶Á÷ÇÐÀûÀ¸·Î Ư¡ÀûÀÎ ¼Ò°ßÀ» º¸ÀδÙ. ±¹¼ÒÀû Ä¡¾ÆÀÌÇü¼ºÁõÀº À¯Ä¡¿­°ú ¿µ±¸Ä¡¿­¿¡ ¸ðµÎ ¿µÇâÀ» ¹ÌÄ¡¸ç, ÀÓ»óÀûÀ¸·Î Á¤»óÄ¡¾Æº¸´Ù Å©±â°¡ À۰ųª, °ÅÄ¥°í ºÒ±ÔÄ¢ÇÑ Ä¡¸éÀ» °¡Áö´Â µî Çü¼ººÎÀü, ¼®È¸È­ºÎÀüÀÇ ¾ç»óÀ» º¸ÀδÙ. ¹æ»ç¼±ÇÐÀûÀ¸·Î´Â ¹ý¶ûÁú°ú »ó¾ÆÁúÀÌ ¾ã°í, °æ°è°¡ ¶Ñ·ÇÇÏÁö ¾Ê¾Æ ¹æ»ç¼±ºÒÅõ°ú¼ºÀÌ ¸íÈ®ÇÏÁö ¾ÊÀ¸¸ç, "ghost-like appearance"¿Í °°Àº Ư¡ÀûÀÎ ¼Ò°ßÀ» º¸ÀδÙ. Á¶Á÷ÇÐÀûÀ¸·Î´Â Àú¼®È¸È­µÈ ¹ý¶ûÁúÀÌ º¸À̸ç, ¹ý¶û¼ÒÁÖ°¡ ºÒ±ÔÄ¢ÇÑ ¹æÇâÀ» ³ªÅ¸³»°í, »ó¾Æ¼¼°üÀÇ ¼ö°¡ °¨¼ÒµÇ¾î ÀÖ´Ù. ±¹¼ÒÀû Ä¡¾ÆÀÌÇü¼ºÁõÀÇ ¿øÀÎÀº Á¤È®È÷ ¹àÇôÁöÁö ¾Ê¾ÒÀ¸¸ç, »ó¾Ç ÁÂÃø¿¡¼­ È£¹ßÇÏ°í, ÀÎÁ¾°£ÀÇ À¯º´·ü Â÷ÀÌ´Â Á¸ÀçÇÏÁö ¾ÊÀ¸¸ç, ³²¼º¿¡ ºñÇØ ¿©¼º¿¡¼­ ´õ È£¹ßÇÏ´Â °ÍÀ¸·Î ¾Ë·ÁÁ® ÀÖ´Ù. ÀÌ Áõ·Ê´Â 4¼¼ 6°³¿ùÀÇ È¯¾Æ¿¡¼­ ÀÓ»óÀû, ¹æ»ç¼±ÇÐÀû °Ë»ç °á°ú »ó¾Ç ¿ìÃø ¾Ç±Ã¿¡ ¹ß»ýÇÑ ±¹¼ÒÀû Ä¡¾ÆÀÌÇü¼ºÁõÀ¸·Î Áø´ÜÇÏ°í, 5³â°£ÀÇ ÁÖ±âÀûÀÎ °üÂûÀ» ½ÃÇàÇÏ¿´´Ù. ±¹¼ÒÀû Ä¡¾ÆÀÌÇü¼ºÁõ¿¡ ÀÌȯµÈ Ä¡¾Æ´Â Ãë¾àÇÑ Ä¡¸é°ú ¹Ì¼º¼÷ÇÑ Ä¡±Ù ¶§¹®¿¡ ¿¹ÈÄ°¡ ºÒ·®ÇÒ ¼ö ÀÖÀ¸¹Ç·Î °³°³Ä¡¾Æ¿¡ ´ëÇÑ ÁÖÀDZíÀº ÀÓ»óÀû, ¹æ»ç¼±ÇÐÀû °üÂûÀ» ÅëÇÑ ½Ã±âÀûÀýÇÑ Ä¡·á°èȹ ¼ö¸³ÀÌ Áß¿äÇÒ °ÍÀÌ´Ù.

Regional odontodysplasia (RO) is a rare and nonhereditary dental malformation. It is a dental alteration of unknown etiology, involving both mesodermal and ectodermal dental components, which is characterized by clinical, radiographic, and histologic features. The maxilla is more often involved than the mandible (especially the left side), and there is no racial predilection, but females are affected twice as often as males. The affected teeth are clinically hypoplastic and hypocalcified, presenting a "ghost-like" appearance radiographically. The present case features a male patient aged 4 years and 6 months who was diagnosed with regional odontodysplasia in the maxilla on the right side, confirmed by clinical and radiographic examination, with a follow up of 5 years. Since teeth affected by RO have a poor prognosis due to the fragile tooth surface and open apices, the long-term treatment strategy depends on periodic clinical and radiological observations.

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Regional odontodysplasia; Hypoplastic; Hypocalcified; Ghost-like appearance

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