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Evaluation of color matching ability according to the color temperature and the experience of practitioner

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±èÁöÇö ( Kim Ji-Hyun ) - ¿¬¼¼´ëÇб³ Ä¡°ú´ëÇÐ º¸Ã¶°úÇб³½Ç
±è¼±Àç ( Kim Sun-Jai ) - ¿¬¼¼´ëÇб³ Ä¡°ú´ëÇÐ º¸Ã¶°úÇб³½Ç
À̱ٿì ( Lee Keun-Woo ) - ¿¬¼¼´ëÇб³ Ä¡°ú´ëÇÐ º¸Ã¶°úÇб³½Ç
½ÉÁؼº ( Shim June-Sung ) - ¿¬¼¼´ëÇб³ Ä¡°ú´ëÇÐ º¸Ã¶°úÇб³½Ç
À±ÁØÈ£ ( Yoon Jun-Ho ) - ¿¬¼¼´ëÇб³ Ä¡°ú´ëÇÐ º¸Ã¶°úÇб³½Ç

Abstract

¿¬±¸ ¸ñÀû: 4,000 K¿Í 5,500 KÀÇ »ö ¿Âµµ¸¦ °¡Áø ±¤¿ø ÇÏ¿¡¼­ Ä¡°ú º¸Ã¶°ú ÀÇ»ç ¹× Ä¡°ú´ëÇÐ ÇлýÀÇ »öÁ¶ ºñ±³ ¹× ¼±Åà ´É·ÂÀ» Æò°¡ÇÏ¿© ¼úÀÚÀÇ °æÇèÀÌ »öÁ¶ ¼±Åÿ¡ ¿µÇâÀ» ÁÖ´ÂÁö¸¦ ¾Ë¾Æº¸°íÀÚ ÇÑ´Ù.

¿¬±¸ ´ë»ó ¹× ¹æ¹ý: ºÐ±¤ ±¤µµ°è¸¦ »ç¿ëÇÏ¿© »ö °ßº»À» Ãø»öÇÑ ÈÄ, ¸íµµ °ªÀÌ ºñ½ÁÇÏ°í äµµ °ªÀÌ Â÷ÀÌ ³ª´Â 5°³ ÅÇÀ» ¼±ÅÃÇÏ¿© 3°³ÀÇ ¼¼Æ®(a, b, c)¸¦, äµµ°ªÀÌ À¯»çÇÏ°í ¸íµµ°ªÀÌ Â÷ÀÌ°¡ ³ª´Â 5°³ ÅÇÀ» ¼±ÅÃÇÏ¿© 3°³ÀÇ ¼¼Æ®(d, e, f)¸¦ ¸¸µé¾ú´Ù. °¢°¢ 4,000 K, 5,500 K »ö ¿ÂµµÀÇ ±¤¿ø ÇÏ¿¡¼­ ¹«ÀÛÀ§·Î ¼±ÅÃµÈ ÇÑ °³ÀÇ »ö °ßº»À» Ä¡°ú º¸Ã¶°ú ÀÇ»ç 10¸í°ú Ä¡°ú´ëÇÐ Çлý 10¸í¿¡°Ô Á¦½ÃÇÏ°í µ¿ÀÏÇÑ »ö °ßº»À» µ¿ÀÏÇÑ ¼¼Æ® ³»¿¡¼­ °í¸£°Ô ÇÑ ´ÙÀ½, Á¦½ÃµÈ »öÁ¶ ÅÇ°ú ÇÇÇèÀÚ°¡ ¼±ÅÃÇÑ »öÁ¶ ÅÇ °£ÀÇ »öÂ÷() °ªÀ» °è»êÇÏ¿© ºñ»ö ´É·ÂÀÇ Â÷À̸¦ ºñ±³ÇÏ¿´´Ù. ±¤¿øÀÇ »ö ¿Âµµ ¹× ¼úÀÚÀÇ ¼÷·Ãµµ¿¡ µû¸¥, °¢°¢ÀÇ »ö °ßº»¿¡¼­ÀÇ »öÂ÷ °ªÀ» °è»êÇÏ°í 95%ÀÇ ½Å·Ú ¼öÁØ¿¡¼­ t-test ¸¦ ½ÃÇàÇÏ¿© °á°úÀÇ À¯ÀǼºÀ» °ËÁ¤ÇÏ¿´´Ù.

°á°ú: 4,000K¿Í 5,500K ±¤¿ø ÇÏ¿¡¼­ »öÂ÷ °ªÀº °¢°¢ , ·Î »ö ¿Âµµ Á¶°Ç¿¡ µû¸¥ »öÁ¶ ¼±ÅÃÀÇ Â÷ÀÌ´Â ³ªÅ¸³ªÁö ¾Ê¾Ò´Ù(P=.398). ¼÷·ÃÀÚ±º°ú ºñ ¼÷·ÃÀÚ±º °£ÀÇ »öÂ÷ °ªÀº °¢°¢ , À¸·Î °¢ ±º °£ »öÁ¶ ¼±ÅÃÀÇ Â÷ÀÌ ¶ÇÇÑ ³ªÅ¸³ªÁö ¾Ê¾Ò´Ù(P=.221).

°á·Ð: µ¿ÀÏÇÑ »ö °ßº»À» µ¿ÀÏÇÑ ±¤¿ø Á¶°Ç ÇÏ¿¡¼­ ºñ»öÇÏ´Â °æ¿ì, ¼úÀÚÀÇ ¼÷·Ãµµ¿¡ µû¸¥ »öÁ¶ ¼±Åà ´É·Â¿¡ Â÷ÀÌ°¡ ¾ø´Ù.

Purpose: The aim of this study is to investigate the effect of different experience level and different light source on shade selection ability comparing prosthodontist group and dental student group under 4,000 K and 5,500 K light.

Materials and Methods: After color difference of Vitapan 3D-master shade guides was measured, 3 sets of 5 shade tabs were selected with similar value but have different chroma (set a, b, c). Also 3 sets of 5 shade tabs were selected with similar chroma but have different values (set d, e, f). Under 4,000 K and 5,500 K light sources, ten prosthodontists and ten dental students were allowed to match in one set of 5 tabs the same shade tab with the tab which was originally selected in the other set of 5 tabs. Color differences of original tab and matched tab were measured by spectrophotometer and the shade selection ability was evaluated with those data. Evaluation of color difference value was performed in regard to different light conditions and different level of experience, followed by t-test with 95% confidence interval.

Results: Color difference values under 4,000 K and 5,500 K light source were , and respectively. In addition, color difference values of prosthodontist group and dental student group were , and respectively. Difference of shade selection ability was not found under either different light sources (P=.398), or different experience level (P=.221).

Conclusion: Level of experience did not affect on the shade selection ability when prosthodontists and dental students matched the shades with the same shade tab under the same light source.

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Dental prosthesis coloring;Spectrophotometry;Shademate;Dental porcelain

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