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A Comparison of the Implant Stability Among the Bone Density Groups: Prospective Study

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°í¼®¹Î, ¹Ú¼ºÀç, ÀÌÀΰæ,
¼Ò¼Ó »ó¼¼Á¤º¸
°í¼®¹Î ( Ko Sok-Min ) - ¿µÅ뺣½ºÆ®µ§Ä¡°ú
¹Ú¼ºÀç ( Park Seong-Jae ) - ITÇöõƮġ°ú
ÀÌÀΰæ ( Lee In-Kyung ) - ´Ü±¹´ëÇб³ Ä¡°ú´ëÇÐ Á×ÀüÄ¡°úº´¿ø Ä¡ÁÖ°ú

Abstract

ÀÓÇöõÆ® ½Ä¸³ ÈÄ »óºÎ±¸Á¶ Á¦ÀÛ ½Ã±â¸¦ °áÁ¤Çϱâ À§ÇØ ÀÓÇöõÆ® °íÁ¤Ã¼ÀÇ °ñÀ¯Âø°ú ¾ÈÁ¤¼ºÀÇ Æò°¡´Â Áß¿äÇϸç ÀÓÇöõÆ® ¾ÈÁ¤¼ºÀÌ º¯È­ÇÏÁö ¾Ê´Â °í¿ø(plateau) Çö»óÀÌ ³ªÅ¸³ª´Â ½ÃÁ¡À» ã´Â´Ù¸é ÀÓÇöõÆ® ÀúÀÛÇÏÁß¿¡ ¾ÈÁ¤ÀûÀÎ ½Ã±â¸¦ ÆÇ´ÜÇÏ´Â °´°üÀû ÁöÇ¥°¡ µÉ ¼ö ÀÖ´Ù. º» ¿¬±¸ÀÇ ¸ñÀûÀº 1³â°£ÀÇ ÀüÇâÀûÀÎ ¿¬±¸¸¦ ÅëÇØ °ñ¹Ðµµ °£ ÀÓÇöõÆ® ¾ÈÁ¤¼º º¯È­¸¦ ÃßÀûÇÏ¿© ÀúÀÛÇÏÁßÀ» ºÎ´ãÇϱ⿡ Àû´çÇÑ ¾ÈÁ¤µÈ ½ÃÁ¡À» ±¸ÇÔÀ¸·Î½á »óºÎ±¸Á¶ Á¦ÀÛ ½Ã±â¸¦ ¿¹ÃøÇÏ°íÀÚ ÇÏ¿´´Ù. ÃÑ 36¸íÀÇ È¯ÀÚ¿¡°Ô ½Ä¸³µÈ 67°³ÀÇ ÀÓÇöõÆ®¸¦ ´ë»óÀ¸·Î ½Ä¸³ Á÷ÈÄ, 2ÁÖ, 6ÁÖ, 10ÁÖ, 14ÁÖ, 1³â µî ÃÑ 6ȸ¿¡ °ÉÃÄ RFA¸¦ ½ÃÇàÇÏ¿© ÀÓÇöõÆ® ¾ÈÁ¤¼ºÀÇ º¯È­ÃßÀ̸¦ °ñ¹Ðµµ¿¡ µû¶ó ºñ±³ ºÐ¼®ÇÏ¿´´Ù. ½Ä¸³ Á÷ÈÄ¿Í °¢ Ä¡À¯±â°£ µ¿¾ÈÀÇ ISQ°ª ºñ±³¿¡¼­ ÁÖ°üÀûÀ¸·Î Æò°¡µÈ °ñÁú±º °£¿¡´Â ½Ä¸³ 10ÁÖ¿Í 14ÁÖ¿¡¼­ ÀÓÇöõÆ® ¾ÈÁ¤¼º¿¡ Â÷ÀÌ°¡ ÀÖ¾úÀ¸³ª(P<0.01), °´°üÀûÀ¸·Î Æò°¡µÈ °ñÁú±º °£¿¡´Â ÀÓÇöõÆ® ¾ÈÁ¤¼º º¯È­¿¡ Â÷ÀÌ°¡ ¾ø¾ú´Ù(P>0.05). º» ¿¬
±¸ÀÇ 1³â°£ÀÇ ÃßÀûÁ¶»ç¿¡¼­ ISQ°ªÀÇ º¯È­´Â y=y0+a¡¿{1-exp(-b¡¿x)}·Î ³ªÅ¸³¾ ¼ö ÀÖ¾úÀ¸¸ç, À̸¦ ÀÌ¿ëÇϸé ÀÓÇöõÆ® ½Ä¸³ ´ç½ÃÀÇ ISQ°ªÀ¸·Î »óºÎ±¸Á¶ Á¦ÀÛ ½ÃÁ¡À» À¯ÃßÇÒ ¼ö ÀÖ´Ù.

The purpose of this study was to get a proper time when implant was loaded and superstructure was fabricated by tracing
a change of the implant stability in bone type for 1 year. We carried out RFA(resonance frequency analysis) of 67 implants
in 36 patients at the time of surgery, 2, 6, 10, 14weeks, and 1year postoperatively for each implant, and analyzed data
for different bone density. The ISQ value at the time of 10 & 14weeks postoperatively were significant(P<0.01) in
subjective grouping, while that were not significant in objective grouping(P>0.05). The change pattern of ISQ value could
be expressed y=y0+a¡¿{1-exp(-b¡¿x)} for 1 year in this study, ISQ value at surgery might be used to estimate the time of
superstructure fabrication consequentially.

Å°¿öµå

ÀÓÇöõÆ® ¾ÈÁ¤¼º;°ñ¹Ðµµ;Hounsfield °ª;°ø¸íÁÖÆļöºÐ¼®(RFA
implant stability;bone density;Hounsfield unit;RFA(resonance frequency analysis)

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