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Effect of Hydrothermal Treatment on the Formation of Nanosized Hydroxyapatite Layer at the RBM Treated Titanium Implants

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Á¤È£³â ( Jung Ho-Nyun ) - Medical Research Co. Ltd
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Abstract

¼ö¿­Ã³¸®¹ý¿¡ °üÇÑ ¿¬±¸´Â ¸¹ÀÌ ÀÖÁö¸¸, º» ¿¬±¸¿¡¼­´Â º¹ÀâÇÑ °úÁ¤ÀÇ ¼ö»êÈ­ÀÎȸ¼® ÄÚÆùýÀÇ ´ëü¹ýÀ¸·Î RBM ó¸®ÇÑ cp-Ti¸¦ Áõ·ù¼ö¿¡¼­ ¼ö¿­Ã³¸®ÇÏ¿© ƼŸ´½ Ç¥¸é¿¡ ¼ö»êÈ­ÀÎȸ¼®(HA) ³ª³ë °áÁ¤»óÀ» ¼®Ãâ½ÃÅ°´Â ¹æ¹ý¿¡ °üÇÏ¿© ¾Ë¾Æº¸°íÀÚ ÇÏ¿´´Ù. µð½ºÅ© ÇüÅÂÀÇ cp-Ti(grade 4) Ç¥¸éÀ» HA(hydroxyapatite)¿Í TCP(tricalcium phosphate)¸¦ È¥ÇÕÇÑ ºÐ¸»·Î RBMó¸®ÇÑ ÈÄ ½ºÅ×Àη¹½º °­ è¹ö¿¡ ³Ö°í Áõ·ù¼ö¸¦ ÀûÁ¤·® ä¿ì°í ´Ù¾çÇÑ ¿Âµµ¿Í ½Ã°£(200, 250 ¹× 300¡É¿¡¼­ 1, 3 ¹× 5½Ã°£) µ¿¾È ¼ö¿­Ã³¸®¸¦ ½Ç½ÃÇÏ¿´´Ù. ¼ö¿­Ã³¸®ÇÑ Æ¼Å¸´½ Ç¥¸éÀ» SEM/EDS, XRD ¹× Á¢ÃË°¢ ÃøÁ¤±â·Î ºÐ¼®ÇÏ¿´´Ù. ƼŸ´½ Ç¥¸é¿¡ Çü¼ºµÈ ¼ö»êÈ­ÀÎȸ¼® ³ª³ë °áÁ¤»óÀº RBM(resorbable blasted media) ó¸® ÈÄ Æ¼Å¸´½ Ç¥¸é¿¡ ¹ÚÈù TCP ÀÔÀÚ¿¡¼­ ¿ëÃâµÈ Ä®½·À̿°ú ÀÎ À̿¿¡ ÀÇÇØ ¼ö»êÈ­ÀÎȸ¼® ÇÙÀÌ »ý¼ºµÇ°í ¼ºÀåÇÏ¿© »ý¼ºµÈ °ÍÀ¸·Î º¸¿´´Ù. ¼ö¿­Ã³¸®¿Âµµ°¡ Áõ°¡ÇÒ¼ö·Ï ±ÕÀÏÇÏ°í ¹Ðµµ°¡ ³ôÀº ¼ö»êÈ­ÀÎȸ¼® °áÁ¤½Ã ¼®ÃâµÇ¾úÀ¸¸ç, ¼ö¿­Ã³¸®½Ã Æ÷È­µÈ Áõ±â¾ÐÀÌ ¼ö»êÈ­ÀÎȸ¼® ³ª³ë °áÁ¤»ó Çü¼º¿¡ Áß¿äÇÑ ¿ªÇÒÀ» ÇÏ´Â °ÍÀ¸·Î º¸¿´´Ù.

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Cp-titanium;Hydrothermal treatment;Nanocrystal HA;RBM treatment

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