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CASE REPORTS OF TREATMENT OF ERUPTION-DISTURBED MX. FIRST MOLAR BY SURGICAL EXPOSURE

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Abstract

Ä¡¾ÆÀÇ ¸ÍÃâÀ̶õ ±¸°­³»·Î Ä¡¾Æ°¡ ÃâÇöÇϱâ ÀüÀÇ ¾Ç°ñ ³»¿¡¼­ÀÇ À̵¿, ±¸°­¿¡ ÃâÇöÇÏ¿© ±³Çո鿡 À̸£±â±îÁöÀÇ À̵¿, ±×¸®°í ±³ÇÕ¸é µµ´ÞÀÌÈÄÀÇ Ãß°¡ÀûÀÎ À̵¿ µî ¸ðµÎ¸¦ Æ÷°ýÀûÀ¸·Î ÀǹÌÇÏ´Â ¿ë¾îÀÌ´Ù. ¸ÍÃâÀº ´ëºÎºÐ À¯ÀüÀûÀ¸·Î °áÁ¤µÇ¸ç Ä¡¾Æ°¡ ¼ºÀå ¹ßÀ° °úÁ¤¿¡ µû¶ó ±¸°­³»·Î ¸ÍÃâµÇ´Â °úÁ¤Àº preeruptive alveolar bone stage, alveolar bone stage¿Í mucosal Stage·Î ±¸ºÐÇÒ ¼ö Àִµ¥, ÀÌµé °úÁ¤ÀÇ ¾î´À ´Ü°è¿¡¼­µµ Àå¾Ö°¡ ¹ß»ýÇϸé Ä¡¾Æ°¡ ¸ÍÃâÇÏÁö ¾Ê´Â´Ù. ¸ÍÃâ Àå¾ÖÀÇ ¿øÀÎÀ¸·Î´Â Ä¡¹èÀÇ ºÎÁ¤À§, Á¤»ó ¸ÍÃâ·ÎÀÇ ¹æÇØ, Ä¡³¶ ȤÀºÄ¡ÁÖÀδëÀÇ ¼Õ»ó µîÀÌ ÀÖ´Ù.
¸ÍÃâ Àå¾ÖÀÇ Ä¡·á¿¡´Â À¯Ä¡¹ß°Å ¹× ¸ÍÃâ °ø°£È®º¸, ¿Ü°úÀû ³ëÃâ, ¿Ü°úÀû Á¤À§, ¿Ü°úÀû ³ëÃâ ÈÄ °ßÀÎÀÌ ÀÖ°í, ÀÌ Áß ¿Ü°úÀû ³ëÃâÀÌ °¡Àå ±âº»ÀûÀÎ ¼ú½ÄÀÌ´Ù. ¿Ü°úÀû ³ëÃâÀº ¿µ±¸Ä¡¸¦ µÑ·¯½Î´Â Á¡¸·, °ñ, º´¼Ò, °æ¿ì¿¡ µû¶ó Ä¡³¶ µîÀ» Á¦°ÅÇÏ¿© °³¹æµÈ ¸ÍÃâ·Î¸¦ È®º¸ÇÏ´Â °ÍÀÌ°í, Çü¼ºµÈ ¸ÍÃâ·Î´Â ·¹Áø°ü(celluloid crown)ÀÇ Á¢Âø, °ÅŸ ÆÛí ÈæÀº »êÈ­ ¾Æ¿¬ À¯Áö³î ½Ã¸àÆ®, Ä¡ÁÖ Æ÷´ë µîÀ» ³ëÃâµÈ ºÎÀ§¿¡ ÃæÀüÇÏ¿© °³¹æ¼ºÀ» À¯ÁöÇÏ¿©¾ß ÇÑ´Ù.
¿Ü°úÀû ³ëÃâ½Ã¿¡´Â Ä¡°æºÎ Ä¡±ÙÀÇ ¹é¾ÇÁúÀ» ³ëÃâ½ÃÅ°Áö ¾Êµµ·Ï ÇÏ¿©¾ß Çϸç, ÀÎÁ¢Ä¡¾ÆÀÇ Ä¡ÁÖ Á¶Á÷À̳ª Ä¡±ÙÀÇ ¼Õ»óµµ ÇÇÇØ¾ß ÇÑ´Ù. ¶ÇÇÑ ³ëÃâ ÈÄ Ä¡¾Æ´Â °¢È­µÈ Ä¡Àº¿¡ À§Ä¡ÇÏ¿©¾ß ÇÑ´Ù. ¿Ü°úÀû ³ëÃâ Áß¿¡ °¡ÇØÀü ¼Õ»óÀÇ Á¤µµ´Â Ä¡¾ÆÀÇ º´¸® , »ý¸®ÇÐÀû ÀÌ»óÀÇ ¹ßÇö¿¡ ¿µÇâÀ» ¹ÌÄ¡¹Ç·Î ÁÖÀÇÇÏ¿©¾ß ÇÑ´Ù.
º» Áõ·ÊµéÀº »ó¾Ç Á¦1´ë±¸Ä¡°¡ ¸ÍÃâ Àå¾Ö¸¦ °¡Áø Áõ·ÊµéÀ̾úÀ¸¸ç, À̸¦ °³¼±ÇϱâÀ§ÇØ À§ÀÇ »çÇ×À» °í·ÁÇÏ¿© ¿Ü°úÀû ³ëÃâÀ» ½ÃÇàÇÏ¿´°í, ¸ÍÃâ Àå¾Ö¸¦ È¿°úÀûÀ¸·Î °³¼±ÇÒ ¼ö ÀÖ¾ú´Ù.
The eruption of permanent teeth represents the movement in the alveolar bone before appearance in oral cavi¡þty, to the occlusal plane after appearance in oral cavity, and additive mevement after reaching th the occlusal plane. Tooth eruption is mostly controlled by genetic signals. The eruption stage is divided to preeruptive alveo¡þlar stage, alveolar bone stage, mucosal stage according to the process of growth and development. If the distur¡þbance is occured in any stage of eruption, tooth does not erupt. The cause of eruption disturbance are ectopic po¡þsition of the tooth germ, obstruction of the eruption path and defects in the follicle or PDL.
In the treatment of eruption disturbance, surgical procedures are commonly used. There are three kind of sur¡þgical procedure : surgical exposure, surgical repositioning, surgical exposure and traction Surgical exposure is basic procedure. This involves removal of mucosa, bone, lesion that are surrounding the teeth, dental sac when necessary to maintain a patent channel between the crown and the normal eruptive path into the oral cavity. To ensure this patency, many techniques including cementation of a celluloid crown, packing with gutta-percha or zinc oxide-eugenol, or a surgical pack, are used.
When surgical exposure is conducted, operators should not expose any part of cervical root cement and not in¡þjure periodontium or root of adjunct tooth. After surgical exposure, tooth should be surrounded by keratinized gingiva. There is direct relationship between the extent of development of pathophysiologic aberrations and the intensity of the manipulative injury inflicted on the tooth by surgical treatment, so operator should consider this thing.
In these cases, surgical exposure is conducted on Maxillary 1st milars that have a eruption disturbance and improve the eruption disturbance effectively.

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Ä¡¾Æ ¸ÍÃâ;¸ÍÃâ Àå¾Ö;¿Ü°úÀû ³ëÃâ;Tooth eruption;Eruption disturbance;Surgical exposure

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