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Comparison of internal adaptation of removable partial denture metal frameworks made by lost wax technique and printing technique of pattern using CAD

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ÃÖ¿øÁØ ( Choi Won-Jun ) - °æÈñ´ëÇб³ Ä¡°ú´ëÇÐ Ä¡°úº¸Ã¶Çб³½Ç
¿ìÀÌÇü ( Woo Yi-Hyung ) - °æÈñ´ëÇб³ Ä¡°ú´ëÇÐ Ä¡°úº¸Ã¶Çб³½Ç
±èÇü¼· ( Kim Hyeong-Seob ) - °æÈñ´ëÇб³ Ä¡°ú´ëÇÐ Ä¡°úº¸Ã¶Çб³½Ç
¹éÀåÇö ( Paek Jang-Hyun ) - °æÈñ´ëÇб³ Ä¡°ú´ëÇÐ Ä¡°úº¸Ã¶Çб³½Ç

Abstract

°¡Ã¶¼º ±¹¼ÒÀÇÄ¡ÀÇ ±Ý¼Ó±¸Á¶¹°À» Á¦ÀÛÇÏ´Â ¹æ¹ýÀº ¿Î½º ÆÐÅÏÀ» Á¦ÀÛÇÏ¿© ÁÖÁ¶ÇÏ´Â lost wax techniqueÀÌ ÁÖ·Î »ç¿ëµÇ¾î ¿ÔÀ¸³ª, µðÁöÅÐ ±â¼úÀÇ ¹ß´Þ·Î ¼­º£À×°ú ±Ý¼Ó±¸Á¶¹°À» CAD (Computer aided design)·Î µðÀÚÀÎÇÏ¿© Á¦ÀÛÇÒ ¼ö ÀÖ°Ô µÇ¾ú´Ù. ¿©·¯ Áõ·Ê¿¡¼­ CAD¸¦ ÀÌ¿ëÇÑ patternÀÇ ÇÁ¸°Æà ¹æ½ÄÀ¸·Î ¾òÀº ·¹Áø ÆÐÅÏÀÌ ±¸°­ ³»¿¡ Á¤È®ÇÏ°Ô ÀûÇÕ µÇ¾ú°í ÃÖÁ¾ ±Ý¼Ó±¸Á¶¹° ¶ÇÇÑ ÁÁÀº ÀûÇÕµµ¸¦ º¸¿´´Ù°í º¸°íµÇ¾ú´Ù. º» ¿øÀú´Â Ä¡Á¶°ñ ¼Ò½ÇÀÌ ½ÉÇÑ »ó, ÇÏ¾Ç ºÎºÐ ¹«Ä¡¾Ç ȯÀÚ¿¡¼­ °¡Ã¶¼º ±¹¼ÒÀÇÄ¡ÀÇ ±Ý¼Ó±¸Á¶¹°À» µÎ °¡Áö ¹æ½ÄÀ¸·Î °¢°¢ Á¦ÀÛÇÏ¿´´Ù. ù ¹ø°´Â ÀϹÝÀûÀÎ lost wax technique°ú µÎ ¹ø°´Â CAD¸¦ ÅëÇØ patternÀ» ÇÁ¸°ÆÃÇÏ¿© ±Ý¼Ó±¸Á¶¹°À» ÁÖÁ¶ÇÏ´Â ¹æ½ÄÀ¸·Î Á¦ÀÛÇÏ¿©, CAD data¿Í fit checker¸¦ ÀÌ¿ëÇØ ±Ý¼Ó±¸Á¶¹°°ú ¼­º£À̵å Å©¶ó¿î°úÀÇ À¯°ÝÀ» ÃøÁ¤ÇÔÀ¸·Î½á ±Ý¼Ó±¸Á¶¹°ÀÇ ÀûÇÕµµ¸¦ ºñ±³ÇÏ¿´´Ù. µÎ °¡Áö ¹æ½Ä ¸ðµÎ ÀÓ»óÀûÀ¸·Î »ç¿ë °¡´ÉÇÑ ±Ý¼Ó±¸Á¶¹°ÀÇ ÀûÇÕµµ¸¦ ¾ò¾ú±â¿¡ À̸¦ º¸°íÇÏ°íÀÚ ÇÑ´Ù.

Lost wax technique of casting wax patterns has been used principally to make metal frameworks of removable partial dentures. Since the development of digital technology and CAD, metal frameworks can be built through digital surveying and framework designing. Many cases proved that resin patterns made by CAD printing method were well adapted to internal oral structure and final metal frameworks also showed good internal adaptation as well. The metal frameworks of a removable partial denture were made by both lost wax technique and CAD technique and were applied to a patient with severe alveolar bone loss. Using CAD data and fit checker, internal adaptation of both metal frameworks were evaluated by comparing the gap between surveyed crown and its structure. This study is to prove that metal frameworks by both techniques showed adaptation that can be applied in clinical field.

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°¡Ã¶¼º ±¹¼ÒÀÇÄ¡; ±Ý¼Ó±¸Á¶¹°; Lost wax technique; Computer aided design
Removable partial denture; Metal framework; Lost wax technique; Computer aided design

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KCI
KoreaMed