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Evaluation of shade guide using digital shade analysis system

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À̽ÂÅà( Lee Seung-Taek ) - ´Ü±¹´ëÇб³ Ä¡°ú´ëÇÐ Ä¡°úº¸Ã¶Çб³½Ç
ÀÌÁ¾Çõ ( Lee Jong-Hyuk ) - ´Ü±¹´ëÇб³ Ä¡°ú´ëÇÐ Ä¡°úº¸Ã¶Çб³½Ç
½Å¼ö¿¬ ( Shin Soo-Yeon ) - ´Ü±¹´ëÇб³ Ä¡°ú´ëÇÐ Ä¡°úº¸Ã¶Çб³½Ç

Abstract

¿¬±¸¸ñÀû: ½É¹Ì ¼öº¹À» À§ÇÑ »ö»ó °áÁ¤ ¹æ¹ýÀ¸·Î´Â »ö°ßº» (shade guide)°ú Ä¡¾Æ¸¦ ´«À¸·Î Á÷Á¢ ºñ±³ÇÏ´Â ±âÁ¸ÀÇ ºñ»ö¹ý°ú ÃÖ±Ù ¼Ò°³µÇ±â ½ÃÀÛÇÑ »ö»ó ÃøÁ¤¿ë ±â±â¸¦ »ç¿ëÇÏ´Â ¹æ¹ýÀÌ ÀÖ´Ù. ºñ»ö¹ýÀº Ä¡°úÀÇ»çµé°ú ±â°ø»çµé °£ÀÇ »öÁ¶ ¼±Åÿ¡ ÀÏ°ü¼ºÀÌ °á¿©µÇ¾î ÀÖ´Â µî ¸¹Àº ¹®Á¦Á¡ÀÌ ÁöÀûµÇ°í ÀÖÁö¸¸ ¾ÆÁ÷µµ ÀÌ·¯ÇÑ ¹æ¹ý¿¡ ÀÇÇÑ »ö»ó °áÁ¤°ú °áÁ¤ »ö»ó¿¡ ´ëÇÑ Ç¥Çö ¹æ½ÄÀÌ ÀÓ»ó Ä¡ÀÇÇп¡ Àû¿ëµÇ°í ÀÖ´Ù. º» ¿¬±¸ÀÇ ¸ñÀûÀº Áø·á½Ç°ú ±â°ø¼Ò¿¡¼­ »ç¿ëÇÏ°í ÀÖ´Â »ö°ßº»ÀÌ °°Àº °ªÀ» °¡Áö´ÂÁö ShadeEye - NCC? dental chroma meter (Shofu Inc., Kyoto, Japan)·Î È®ÀÎÇÏ°í ¶ÇÇÑ ÀÌ ÃøÁ¤ ±â±âÀÇ µÎ °¡Áö ¸ðµå°¡ µ¿ÀÏÇÑ shade tabÀ» °°Àº °ªÀ¸·Î ÀνÄÇÏ´ÂÁö È®ÀÎÇÏ°íÀÚ ÇÏ¿´´Ù.

¿¬±¸Àç·á ¹× ¹æ¹ý: ù ¹ø° ½ÇÇè¿¡¼­´Â ¸ðµÎ 8°³ÀÇ Vita Lumin Vacuum shade guide (Vident Inc., California, USA)¸¦ ¸ð¾Æ ±× Áß A1°ú B1 shade tabÀ» °¢°¢ 5ȸ¾¿ »ö»ó ÃøÁ¤¿ë ±â±âÀÎ ShadeEye-NCC?ÀÇ tooth mode¿Í porcelain mode·Î ³ª´©¾î »öÁ¶ ºÐ¼®À» ÇÏ¿´°í µÎ ¹ø° ½ÇÇè¿¡¼­´Â Ä¡°ú Áø·á½Ç°ú ±â°ø¼Ò¿¡¼­ ½ÇÁ¦ »ç¿ëÇÏ°í ÀÖ´Â Vita Lumin Vacuum shade guide¸¦ °¢°¢ 12°³¾¿ ¸ð¾Æ ¿ª½Ã A1°ú B1 shade tabÀ» »ö»ó ÃøÁ¤¿ë ±â±âÀÎ ShadeEye-NCC?ÀÇ tooth mode¿Í porcelain mode·Î ³ª´©¾î »öÁ¶ ºÐ¼®À» ½Ç½ÃÇÏ¿´´Ù.

°á°ú: ù ½ÇÇè¿¡¼­ 8°³ÀÇ »ö°ßº»ÀÇ A1°ú B1ÀÇ 5ȸ¾¿ ÃøÁ¤¿¡¼­ µÎ °¡Áö mode¿¡¼­ ¸ðµÎ äµµ (shade), ¸íµµ (value), »ö»ó (hue)¿¡¼­ À¯ÀÇÇÑ Â÷À̸¦ º¸¿´´Ù (P < .05). µÎ ¹ø° ½ÇÇè¿¡¼­´Â Áø·á½Ç¿¡¼­ »ç¿ëÇÏ´Â »ö°ßº»°ú ±â°ø¼Ò¿¡¼­ »ç¿ëÇÏ´Â »ö°ßº» »çÀÌ¿¡´Â Åë°èÀûÀ¸·Î À¯ÀÇÇÑ Â÷À̸¦ º¸ÀÌÁö ¾Ê¾ÒÀ¸³ª, A1ÀÇ porcelain mode ¿¡¼­ äµµ°¡ À¯ÀÇÇÑ Â÷À̸¦ º¸¿© (P< .05), °°Àº shade tabÀ̶ó ÇÒÁö¶óµµ äµµ¿¡¼­ Â÷ÀÌ°¡ ³¯ ¼ö ÀÖÀ½À» º¸¿´´Ù.

°á·Ð: ShadeEye-NCC?ÀÇ mode¿¡µû¶óµ¿ÀÏÇÑshade tabÀ» ´Ù¸¥ °ªÀ¸·Î ÀνÄÇÏ´Â °ÍÀ¸·Î ³ªÅ¸³ª Áø·á½Ç°ú ±â°ø¼Ò °£¿¡ µ¿ÀÏÇÑ mode·Î »ç¿ëÇÏ´Â °ÍÀÌ ÇÊ¿äÇÒ °ÍÀ¸·Î »ç·áµÈ´Ù.

Statement of problem: There are two methods of color choice for the esthetic restoration. One is visual shade matching which draws a comparison between shade guide and teeth in dentist¡¯s own eye and the other is using a digital shade analysis system recently introduced. Although the visual shade matching has a lot of problems, decision of color by this visual shade matching and the ways of expression for the decided color are still applicable to clinical dentistry.
Purpose: This study is designed to investigate shade guides used in the dental clinics and laboratories have the same value using ShadeEye-NCC¢ç dental chroma meter (Shofu Inc., Kyoto, Japan) using shade guide are evaluated.
Material and methods: At the first experiment, eight Vita Lumin Vacuum shade guides (Vident Inc., California, USA) were collected from the dental clinics. A1 and B1 shade tabs are chosen and the colors are analyzed five times each in both tooth and porcelain modes by digital shade analysis system, ShadeEye-NCC¢ç. In the second experiment, twelve Vita shade guides using practically in the dental clinics and laboratories were collected and also A1 and B1 shade tabs are chosen and the colors of A1 and B1 are analyzed one time each in both tooth and porcelain modes by ShadeEye-NCC¢ç.

Results and conclusion: There were significant differences among eight shade guides in terms of shade (chroma), value and hue in both of A1 and B1 (P < .05). Shade guides using in present both dental clinics and laboratories did not show significant differences, except A1 in the porcelain mode, it showed significant differences (P< .05) in the shade even though the shade tab has the same name.

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ShadeEye-NCC¢ç;Shade guide;Shade;Value;Hue

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KCI
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