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DENS INVAGINATUS IN MANDIBULAR CENTRAL INCISORS

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Abstract

Ä¡³»Ä¡(dens invaginatus)´Â ÇüźÐÈ­±â¿¡ ºñÁ¤»óÀûÀÎ Ä¡¾Æ¹ß»ýÀÌ ¿øÀÎÀ¸·Î °æÁ¶Á÷ÀÌ ¼®È¸È­µÇ±â Àü¿¡ ¹ý¶ûÁú »óÇÇ°¡ ÇÔÀÔµÇ¾î »ý±â´Â µå¹® Ä¡¾Æ ±âÇüÀÌ´Ù. Ä¡³»Ä¡ÀÇ ¹ß»ý ºóµµ´Â 0.04-10 %ÀÌ°í ´ëºÎºÐÀÌ »ó¾Ç¿¡¼­ ¹ß»ýÇϸç ƯÈ÷ »ó¾ÇÃøÀýÄ¡¿¡¼­ÀÇ ºóµµ°¡ ³ô°í ÇϾǿ¡¼­´Â µå¹°°Ô ¹ß»ýÇÑ´Ù°í º¸°íµÇ¾ú´Ù. Ä¡³»Ä¡´Â ¿ì»óÄ¡³ª ¿Ö¼ÒÄ¡, ½Ö»ýÄ¡, °úÀ×Ä¡, »ó¾ÆÁú Çü¼ººÎÀüÁõ°ú °°Àº ÇüÅ ÀÌ»ó°ú ¿¬°üµÇ¾î¼­ ³ªÅ¸³ª´Â °æ¿ìµµ ÀÖ´Ù. Ä¡³»Ä¡´Â ÇÔÀÔµÈ Á¤µµ¿¡ µû¶ó 3°¡Áö·Î ºÐ·ùÇÒ ¼ö ÀÖ°í ´Ù¾çÇÑ ÇغÎÇÐÀû º¯À̸¦ º¸À̸ç, ÀÌ·¯ÇÑ ±âÇüÀº ¹Ì»ý¹°ÀÇ Ä§ÀÔÀ» ¿ëÀÌÇÏ°Ô ÇϹǷΠġ¾Æ¿ì½ÄÁõ°ú Ä¡¼ö°¨¿° ¹× ±«»çÀÇ À§Ç輺À» ³ôÀδÙ. Ä¡¼öÁ¶Á÷¿¡ ¹®Á¦°¡ »ý±ä °æ¿ì ±Ù°üÀÇ º¹ÀâÇÑ ÇغÎÇÐÀû ÇüÅ ¶§¹®¿¡ ±Ù°üÄ¡·á°¡ ¸Å¿ì ¾î·Á¿ì¹Ç·Î Á¶±â¿¡ Áø´ÜÇÏ¿© Ä¡·áÇÏ´Â °ÍÀÌ Áß¿äÇÏ´Ù. º» Áõ·ÊµéÀº ÇÏ¾Ç ÁßÀýÄ¡¿¡ µå¹°°Ô ¹ß»ýÇÏ´Â Ä¡³»Ä¡¸¦ °¡Áø ȯ¾Æ¿¡ ´ëÇÑ °ÍÀ¸·Î ÇÏ¾Ç ÁßÀýÄ¡¿¡¼­ÀÇ Ä¡³»Ä¡ À¯º´À²°ú Ä¡·á¿¡ ´ëÇÑ °íÂûÀ» ÇÏ¿´±â¿¡ À̸¦ º¸°íÇÏ´Â ¹ÙÀÌ´Ù.

Dens invaginatus is a rare malformation resulting from invagination of the enamel before calcification has occurred. It is mostly found in permanent maxillary lateral incisors and mandibular teeth are rarely affected by this anomaly. The malformation is estimated to affect between 0.04 % and 10 % of people and has been associated with other abnormalities such as taurodontism, microdontia, gemination and dentinogenesis imperfecta. Dens invaginatus is classified in three types with respect to the depth of invaginatus and has a broad spectrum of morphologic variations. Invagination frequently allows the entry of irritants and microorganism, which usually lead to caries, pulp infection and pulp necrosis. Root canal treatment on such invaginatus tooth may present severe problems because of its complex anatomy of the tooth. Therefore, the early diagnosis of such malformation is crucial and preventive approach is strongly recommended.

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Dens invaginatus;Mandibular central incisor

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