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Initial Changes of Implant Stability from Installation during Early Bone Healing

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¹ÚÂùÁø ( Park Chan-Jin ) - °­¸ª¿øÁÖ´ëÇб³ Ä¡°ú´ëÇÐ Ä¡°úº¸Ã¶Çб³½Ç
±è´ë°ï ( Kim Dae-Gon ) - °­¸ª¿øÁÖ´ëÇб³ Ä¡°ú´ëÇÐ Ä¡°úº¸Ã¶Çб³½Ç
Á¶¸®¶ó ( Cho Lee-Ra ) - °­¸ª¿øÁÖ´ëÇб³ Ä¡°ú´ëÇÐ Ä¡°úº¸Ã¶Çб³½Ç

Abstract

°ñÄ¡À¯ ±â°£ Áß ÀÓÇöõÆ®-°ñ °è¸é¿¡¼­ ÀÏÁ¤ ¼öÁØ ÀÌ»óÀÇ ¹Ì¼¼µ¿¿ä°¡ ¹ß»ýÇÏ°Ô µÇ¸é ÀÓÇöõÆ®ÀÇ °ñÀ¯ÂøÀÌ ¹æÇØ¹Þ°Ô µÇ¹Ç·Î ÀÓÇöõÆ® ½Ä¸³ ÈÄ Ãʱ⠰ñ¹ÝÀÀ¿¡ °üÇØ ÀÓÇöõÆ® ¾ÈÁ¤¼ºÀº ÇϳªÀÇ ÁöÇ¥°¡ µÈ´Ù. º» ¿¬±¸ÀÇ ¸ñÀûÀº ÀÓÇöõÆ® ½Ä¸³ ÈÄ ÀüÇâÀûÀÎ ¿¬±¸¸¦ ÅëÇØ Ãʱâ ÀÓÇöõÆ® ¾ÈÁ¤¼º º¯È­¸¦ ÃßÀûÇÏ¿© °ñÄ¡À¯ ¾ç»óÀ» Ãß·ÐÇÏ°íÀÚ ÇÏ¿´´Ù. ÃÑ 26¸íÀÇ È¯ÀÚ¿¡°Ô ½Ä¸³µÈ 30°³ÀÇ ÀÓÇöõÆ®¸¦ ´ë»óÀ¸·Î ÇϾǰñ¿¡ 1ȸ¹ýÀ¸·Î ½Ä¸³ Á÷ÈÄ 1ÁÖ °£°ÝÀ¸·Î 12ÁÖ°£ °øÁøÁÖÆļöºÐ¼®À» ½ÃÇàÇÏ¿© Ãʱ⠾ÈÁ¤¼ºÀÇ º¯È­¸¦ ±¸ÇÏ¿´À¸¸ç ½Ä¸³ Á÷ÈÄ¿Í 1°³¿ù °£°ÝÀ¸·Î º¯¿¬°ñ Èí¼öÁ¤µµ¸¦ ¹æ»ç¼±ÇÐÀû ¹æ¹ýÀ¸·Î ÃøÁ¤ÇÏ¿´´Ù. ½Ä¸³ Á÷ÈÄ¿Í °¢ Ä¡À¯±â°£ µ¿¾ÈÀÇ ISQ°ª ºñ±³¿¡¼­ ½Ä¸³ 4ÁÖ¿¡¼­ 6ÁÖ»çÀÌ¿¡ °ñÁú¿¡ µû¸¥ Â÷À̸¦ º¸¿´À¸³ª(P<0.05), 6ÁÖ ÀÌÈÄ¿¡´Â °ñÁú±º °£¿¡´Â ÀÓÇöõÆ® ¾ÈÁ¤¼º º¯È­¿¡ Â÷ÀÌ°¡ ¾ø¾ú´Ù(P>0.05). ¹æ»ç¼±ÇÐÀû °Ë»ç¿¡¼­´Â º¯¿¬°ñÀÇ Â÷ÀÌ°¡ °üÂû±â°£³»¿¡ À¯ÀÇÇÏ°Ô º¯È­ÇÏÁö ¾Ê¾Ò´Ù(P>0.05). ÀÓÇöõÆ® ½Ä¸³ ÈÄ Ãʱ⠰ñÄ¡À¯°úÁ¤Àº °ñÈí¼ö°úÁ¤¿¡ ¿¬¼ÓÀûÀÎ °úÁ¤À¸·Î 4ÁÖ ÀÌÈÄ ¹Ù¶÷Á÷ÇÑ °ñÄ¡À¯°úÁ¤ÀÌ ÁøÇàµÊÀ» °øÁøÁÖÆļöºÐ¼®À¸·Î °üÂûÇÒ ¼ö ÀÖ¾ú´Ù.

The concept of implant stability was basically originated from the relative condition of bone-implant interface and has some meanings for evaluation of that interface. In addtion, it has been used for the investigation of initial bone healing process after fixture installation because a degree of micromotion around interface can affect unfavorable clinical results. The purpose of this study is to investigate the mode of initial bone healing from fixture installation through prospective trial. Thirty fixtures were consecutively installed in mandibles of 26 patients with single tooth loss area and then healing abutment were secured for one-stage surgery meothod. Resonance frequency analysis was performed with one week interval during 12 weeks and periapical radiographs were taken at each month. Although marginal bone level change was not shown through observation period (P>0.05), statistical difference of implant stability was shown through 4 and 6week (P<0.05) and was not shown after 6 week (P>0.05) according to the bone quality. Initial bone healing process is a successive process of bone resorption and favorable bone healing result might be postulated at 4 week interval after installation through RFA.

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Ãʱ⠰ñÄ¡À¯; ÀÓÇöõÆ® ¾ÈÁ¤¼º; °ñÁú; °øÁøÁÖÆļöºÐ¼®
Bone quality; Implant stability; Intial bone healing; Resonance frequency analysis

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