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Evaluation of the accuracy of two different surgical guides in dental implantology: stereolithography fabricated vs. positioning device fabricated surgical guides

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ÁÖ»óµ· ( Joo Sang-Dong ) - ´ë±¸¿¹Ä¡°ú

Abstract

¿¬±¸ ¸ñÀû: ÃÖ±Ù Á¤È®Çϸ鼭µµ ¿Ü»óÀÌ ÀûÀº ÀÓÇöõÆ® ½Ä¸³À» À§ÇØ ÀÓÇöõÆ® ¼ö¼ú¿ë °¡À̵尡 ¸¹ÀÌ ¾²ÀÌ°í ÀÖ´Ù. ±× Áß ´ëÇ¥ÀûÀÎ ¹æ½ÄÀÌ stereolithography ¹æ½Ä°ú positioning device·Î Á¦ÀÛÇÑ ¹æ½ÄÀÌ´Ù. º» ¿¬±¸´Â ÀÌ µÎ °¡Áö ¹æ½ÄÀÇ Á¤È®¼ºÀ» ºñ±³Çϱâ À§ÇÏ¿© 4 °¡Áö ÇüÅÂÀÇ Ä¡¾Æ»ó½Ç ¸ðµ¨¿¡¼­ ½ÇÇè ÈÄ Á¤È®¼º¿¡ °üÇÏ¿© ºÐ¼®ÇÏ¿´´Ù.

¿¬±¸ Àç·á ¹× ¹æ¹ý: 4°¡Áö ÇüÅ ġ¾Æ °á¼Õ ¸ðµ¨ °¢°¢¿¡ ´ëÇÏ¿© stereolithography ¹æ¹ý°ú positioning device¸¦ ÀÌ¿ëÇÑ ¹æ¹ýÀ¸·Î ¼ö¼ú °¡À̵带 Á¦ÀÛÇÏ¿´´Ù. Á¦ÀÛµÈ ¼ö¼ú °¡À̵带 Á¦ÀÛ¿¡ »ç¿ëµÇ¾ú´ø Ä¡¾Æ¸ðµ¨¿¡ ÀåÂøÇÏ¿© ¼ö¼ú °¡À̵åÀÇ ³»¸é°ú ¸ðµ¨ÀÇ Ä¡¾ÆÇ¥¸é »çÀÌ °ø°£Å©±â¸¦ ÃøÁ¤ÇÏ¿© °¡À̵åÀÇ ÀûÇÕµµ¸¦ Æò°¡ÇÏ¿´´Ù. ¶ÇÇÑ ÀÌ ¼ö¼ú °¡À̵带 ÀÌ¿ëÇÏ¿© ÃÑ 40°³ ¸ðµ¨¿¡¼­ ÀÓÇöõÆ® ½Ã¼úÀ» ÁøÇàÇÏ°í, ½Ã¼ú ÈÄ ¸ðµ¨À» ´Ù½Ã cone-beam computed tomographyÃÔ¿µ ÇÏ¿© ¼ö¼ú ÀüÈÄ ¿µ»óÀ» Áßø½ÃÄÑ °èȹ »óÀÇ ÀÓÇöõÆ®¿Í ½ÇÁ¦ ½Ã¼úÇÑ ÀÓÇöõÆ®ÀÇ À§Ä¡¸¦ ºñ±³ÇÏ¿´´Ù. Åë°èÇÐÀûÀÎ °ËÁõÀ» À§ÇÏ¿© PASW Statistics 18.0À» ÀÌ¿ëÇÏ¿©¼­ Mann-Whitney U °ËÁ¤À» »ç¿ëÇÏ¿´´Ù.

°á°ú: ¼ö¼ú °¡ÀÌµå ³»¸é°ú ¸ðµ¨ »çÀÌ °ø°£Å©±â°¡ stereolithography´Â ÀÌ°í, positioning device´Â ·Î Åë°èÇÐÀûÀ¸·Î À¯ÀÇÇÑ Â÷À̸¦ º¸¿´´Ù(P<.05). Stereolithography´Â ¿ÀÂ÷°¡ ±Ù¿ø½É Ãø¿¡¼­ , Çù¼³ Ãø¿¡¼­ , ±íÀÌ¿¡¼­ ¿´´Ù. ¹Ý¸é positioning device´Â ¿ÀÂ÷°¡ ±Ù¿ø½É Ãø¿¡¼­ ¿´°í, Çù¼³Ãø¿¡¼­ , ±íÀÌ¿¡¼­ ¿´´Ù. µÎ ¼ö¼ú °¡À̵å Á¦ÀÛ¹æ¹ýÀº ¸ðµç ¹æÇâ¿¡¼­ÀÇ ¿ÀÂ÷¿¡¼­ Åë°èÇÐÀûÀ¸·Î À¯ÀÇÇÑ Â÷À̸¦ º¸¿´´Ù(P<.05).

°á·Ð: º» ¿¬±¸ÀÇ °á°ú´Âstereolithography¹æ¹ýº¸´Ù positioning device¸¦ ÀÌ¿ëÇÏ¿© ¼ö¼ú °¡À̵带 Á¦ÀÛÇÒ ¶§ C.T.¿Í ÀÓÇöõÆ® Ä¡·á °èȹ ÇÁ·Î±×·¥À» ÀÌ¿ëÇÏ¿© ¹Ì¸® °èȹÇÑ ÀÓÇöõÆ® ½Ä¸³ À§Ä¡¿Í ¹æÇâÀ¸·Î ´õ Á¤È®ÇÏ°Ô ½Ä¸³ ÇÒ ¼ö ÀÖÀ½À» º¸¿© ÁÖ¾ú´Ù.

Purpose: Recently implant surgical guides were used for accurate and atraumatic operation. In this study, the accuracy of two different types of surgical guides, positioning device fabricated and stereolithography fabricated surgical guides, were evaluated in four different types of tooth loss models.

Materials and Methods: Surgical guides were fabricated with stereolithography and positioning device respectively. Implants were placed on 40 models using the two different types of surgical guides. The fitness of the surgical guides was evaluated by measuring the gap between the surgical guide and the model. The accuracy of surgical guide was evaluated on a pre- and post-surgical CT image fusion.

Results: The gap between the surgical guide and the model was and for the stereolithography and positioning device surgical guide, respectively. The stereolithography showed mesiodistal angular deviation of , buccolingual angular deviation of and vertical deviation of , whereas the positioning device showed mesiodistal angular deviation of , buccolingual angular deviation of and vertical deviation of . The differences were statistically significant between the two groups (P<.05).

Conclusion: The laboratory fabricated surgical guides using a positioning device allow implant placement more accurately than the stereolithography surgical guides in dental clinic.

Å°¿öµå

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Surgical guide;Surgical stent;Anyguide;Computer-aided surgery;Flapless implant

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