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Three-Dimensional Finite Element Analysis for Comparision between Titanium Implant Abutment and Zirconia Implant Abutment

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À±¹ÌÁ¤ ( Yun Mi-Jung ) - ºÎ»ê´ëÇб³ Ä¡°ú´ëÇÐ Ä¡°úº¸Ã¶Çб³½Ç
±èâ¼· ( Kim Chang-Seop ) - ºÎ»ê´ëÇб³ Ä¡°ú´ëÇÐ Ä¡°úº¸Ã¶Çб³½Ç
ÀüÀ±°æ ( Jeon Yun-Kyung ) - ºÎ»ê´ëÇб³ Ä¡°ú´ëÇÐ Ä¡°úº¸Ã¶Çб³½Ç
¼­½Â¿ì ( Seo Seung-U ) - ºÎ»ê´ëÇб³ Ä¡°ú´ëÇÐ Ä¡°úº¸Ã¶Çб³½Ç

Abstract

ÃÖ±Ù ½É¹Ì º¸Ã¶À» À§ÇØ ³ôÀº °­µµ¿Í Á¤¹Ðµµ¸¦ °¡Áö¸é¼­ µ¿½Ã¿¡ ÀÚ¿¬Ä¡¿Í À¯»çÇÑ »ó¾ÆÁú »öÀ» ±¸ÇöÇÒ ¼ö ÀÖ´Â ¼¼¶ó¹Í °è¿­ÀÇ Áö¸£ÄÚ´Ï¾Æ ÀÓÇöõÆ® Áö´ëÁÖ°¡ º¸Ã¶ Àç·á·Î¼­ °¢±¤À» ¹Þ°í ÀÖ´Ù. ÀÌ¿¡ º» ¿¬±¸¿¡¼­´Â »ïÂ÷¿øÀû À¯ÇÑ¿ä¼ÒÀÀ·ÂºÐ¼®À» ÀÌ¿ëÇÏ¿© ±âÁ¸ÀÇ Æ¼Å¸´½ ¼ÒÀçÀÇ ÀÓÇöõÆ® Áö´ëÁÖ¿Í Áö¸£ÄÚ´Ï¾Æ ¼ÒÀçÀÇ ÀÓÇöõÆ® Áö´ëÁÖÀÇ ÀÀ·ÂºÐÆ÷ºñ±³¸¦ ÅëÇØ Áö¸£ÄÚ´Ï¾Æ ÀÓÇöõÆ® Áö´ëÁÖÀÇ ±â°èÀû ¾ÈÁ¤¼ºÀ» °£Á¢ÀûÀ¸·Î È®ÀÎÇÏ°íÀÚ ÇÏ¿´´Ù. ¾Ç°ñ¿¡ ½Ä¸³µÈ internal conical joint type°ú external butt joint typeÀÇ ÀÓÇöõÆ® ¸Å½Äü¿¡ ƼŸ´½ ÀÓÇöõÆ® Áö´ëÁÖ ¶Ç´Â Áö¸£ÄÚ´Ï¾Æ ÀÓÇöõÆ® Áö´ëÁÖ¸¦ Áö´ëÁÖ ³ª»ç·Î ¿¬°áÇÏ°í »óºÎ¿¡ ±ÝÇձݰüÀ» ÀåÂøÇÏ´Â À¯ÇÑ¿ä¼Ò¸ðÇüÀ» ¼³°èÇÏ¿´´Ù. ±³ÇÕ¸é Áß½ÉÀ¸·ÎºÎÅÍ 3mm ÆíÃø¿¡ ¼öÁ÷ ¹æÇâÀ¸·Î 250NÀÇ ÇÏÁßÀ» Àΰ¡ÇÏ¿© ±³Çշ¿¡ ÀÇÇØ ÀÓÇöõÆ® Áö´ëÁÖ¿¡¼­ ¹ß»ýÇÏ´Â µî°¡ÀÀ·ÂºÐÆ÷¸¦ ºÐ¼®ÇÏ¿´´Ù. À¯ÇÑ¿ä¼ÒºÐ¼®°á°ú Áö¸£ÄÚ´Ï¾Æ ÀÓÇöõÆ® Áö´ëÁÖ¿Í Æ¼Å¸´½ ÀÓÇöõÆ® Áö´ëÁÖÀÇ ÀÀ·Â ºÐÆ÷´Â À¯»çÇÏ°Ô °üÂûµÇ¾úÀ¸³ª ÃÖ´ëµî°¡ÀÀ·ÂÀº ÀÓÇöõÆ® ¿¬°á ¹æ½Ä¿¡ »ó°ü¾øÀÌ Æ¼Å¸´½ ÀÓÇöõÆ® Áö´ëÁÖ¿¡ ºñÇØ Áö¸£ÄÚ´Ï¾Æ ÀÓÇöõÆ® Áö´ëÁÖ°¡ ¾à 15% Á¤µµ ³ô°Ô ³ªÅ¸³µ´Ù. ±×·³¿¡µµ ºÒ±¸ÇÏ°í ƼŸ´½¿¡ ºñÇØ Áö¸£ÄڴϾÆÀÇ ´õ ³ôÀº ±â°èÀû °­µµ¸¦ °í·ÁÇØ º¼ ¶§ ÀÓ»ó¿¡¼­µµ ±âÁ¸ÀÇ Æ¼Å¸´½ ÀÓÇöõÆ® Áö´ëÁÖ¿Í ¸¶Âù°¡Áö·Î Áö¸£ÄÚ´Ï¾Æ ÀÓÇöõÆ® Áö´ëÁÖµµ ÀÓ»óÀûÀÎ ±â°èÀû ¾ÈÁ¤¼ºÀ» °¡Áú °ÍÀ¸·Î »ý°¢µÈ´Ù.

Recently, restoring implants in the esthetically demanding region, zirconia-based materials are widely used due to their superior mechanical properties, accuracies, and esthetics. The purpose of this study was to investigate the load transfer and mechanical stability of zirconia and titanium implant abutments by using the three-dimensional finite element analysis model. The internal conical joint type and external butt joint type implant system was selected as an experimental model. Finite element models of bone/implant/prosthesis complex were constructed. An load of 250N was applied vertically eside 3mm of implant axis. Stress distribution of zirconia and titanium implant abutment is similar. The maximum equivalent stress of titanium implant abutment is lower than zirconia implant abutment about 15%. Howevere considering a high mechanical strength that exceed those of titanium implant abutment, zirconia implant abutment had similar mechanical stability of titanium implant abutment clinically.

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implant abutment;three-dimensional finite element analysis;titanium;zirconia

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KCI