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REGIONAL ODONTODYSPLASIA : CASE REPORT

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Abstract

±¹¼ÒÀû Ä¡¾Æ ÀÌÇü¼ºÁõÀ̶õ µå¹°°Ô ³ªÅ¸³ª´Â Ä¡¾Æ¹ßÀ°Àå¾Ö·Î¼­ Ä¡¾Æ¹ßÀ°ÀÌ ±¹¼ÒÀûÀ¸·Î Á¤ÁöµÇ¾î ¹ß»ýµÇ¸ç ÀÌȯµÈ Ä¡¾ÆÀÇ ¸ðµç ±¸¼º¿ä¼Ò°¡ ¹ßÀ°ºÎÀüÀ̳ª ¼®È¸È­ ºÎÀüÀ» ³ªÅ¸³½´Ù. ±¹¼ÒÀû Ç÷¾× ¼øȯ Àå¾Ö, ü¼º µ¹¿¬º¯ÀÌ. ¹ÙÀÌ·¯½º ħÅõ, Ä¡¹è °¨¿°, Ä¡¾Æ ¿Ü»ó, ÀÌ»ó°í¿­, ¹æ»ç¼±Á¶»ç, ¿µ¾ç, ´ë»ç Àå¾Ö, À¯Àü µîÀÌ ¿øÀÎÀ¸·Î Á¦½ÃµÇ°í ÀÖÀ¸³ª Á¤È®ÇÑ ¿øÀÎÀº ¹àÇôÁ® ÀÖÁö ¾Ê´Ù. ¿©¼º¿¡ ¸¹ÀÌ ¹ß»ýÇÏ°í(1.4 : 1) ÇϾǺ¸´Ù´Â »ó¾Ç(ƯÈ÷ ÁÂÃø)¿¡ ¸¹ÀÌ ³ªÅ¸³ª´Â °ÍÀ¸·Î º¸°íµÇ°í ÀÖ´Ù. ÀÌȯ ¹ÞÀº Ä¡¾Æ´Â Å©±â°¡ ÀÛ°í, ÀúÇü¼ºÀ» º¸À̸ç, ³ë¶õ»ö ¶Ç´Â ³ë¶õ °¥»öÀ» ¶ç°í, ¼Ò¿Í¿Í ±¸(pitting & grooving)¸¦ º¸À̱⵵ ÇÑ´Ù. ¹æ»ç¼±ÀûÀ¸·Î "ghost like appearance" "fuzzy appearance"µîÀ» º¸ÀÌ°í Ä¡¼ö°­ ³»¿¡ Ä¡¼ö¼®È¸È­¹°À̳ª »ó¾ÆÁú¼®ÀÌ º¸À̱⵵ ÇÑ´Ù. º» Áõ·ÊÀÇ 2¼¼ ³²ÀÚ È¯¾Æ´Â ÇÏ¾Ç ¿ìÃø Ä¡¾ÆÀÇ ¸ÍÃâ Áö¿¬À» ÁÖ¼Ò·Î ¿¬¼¼´ëÇб³ º´¿ø ¼Ò¾ÆÄ¡°ú¿¡ ³»¿øÇÏ¿´´Ù. ÇÏ¾Ç ¿ìÃø À¯Áß ÀýÄ¡ÀÇ ºÎºÐ ¸ÍÃâ°ú À¯ÃøÀýÄ¡, À¯°ßÄ¡, Á¦ 1À¯±¸Ä¡°¡ ¹Ì¸ÍÃâÀ» º¸¿´°í, ¹æ»ç¼± °Ë»ç¼Ò°ß¿¡¼­ ÇØ´çºÎÀ§ÀÇ Ä¡¾Æ´Â "Ghost like appearance"¿Í ªÀº Ä¡±Ù, °³¹æµÈ Ä¡±Ù÷ÀÇ ¼Ò°ßÀÌ °üÂûµÇ¾ú´Ù. ÀÓ»ó, ¹æ»ç¼± °Ë»ç°á°ú ±¹¼ÒÀû Ä¡¾Æ ÀÌÇü¼ºÁõÀ¸·Î ÆǴܵǾî ÀÌ¿¡ ´ëÇÑ º¸°í¸¦ ÇÏ´Â ¹ÙÀÌ´Ù.

Regional odontodysplasia is a relatively rare condition in which both enamel and dentin are hypoplastic and hypocalcified. The result is localized arrest in tooth development. The etiology of regional odontodysplasia is uncertain, but, disturbance in vascular supply, somatic mutation, latent virus infection, trauma, hyperpyrexia, irradiation, nutrition, metabolic disorders and hereditary transmission are supported to be etiologic factors. Females are more often affected than males. (1.4 : 1). The maxillary arch is more often affected than the mandibular arch with the maxillary left quadrant being the most commonly involved. Affected teeth are hypoplastic, typically discolored yellow or yellowish brown, smaller in size and display a variety of surface marking including pitting and grooving. Radiographically, the teeth affected have been described to have a "ghost like" appearance or "fuzzy" appearance. Pulp calcification and denticles may be present within the pulp chambers of the affected teeth. In it¡¯s case, a 2 years old male visited for a treatment of uneruption of lower right teeth. Partial eruption of lower right deciduous central incisor and unerupted deciduous lateral incisor, deciduous canine and deciduous first molar showed severly delayed eruption state. On radiographic appearance, "Ghost like appearance", shortened root and opened apexes on lower right region were observed. It was suspected regional odontodysplasia with clinical and radiographic condition.

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Odontodysplasia;Regional;Ghost like appearance

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