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Effect on the Externally Stained IPS e.max Press Porcelain Due to Tooth Brushing

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±èÈñÁß ( Kim Hee-Jung ) - Á¶¼±´ëÇб³ Ä¡ÀÇÇÐÀü¹®´ëÇпø º¸Ã¶Çб³½Ç
ÀÌ°æÁ¦ ( Lee Gyeong-Je ) - ¿¬¼¼´ëÇб³ ¿øÁÖÀÇ°ú´ëÇÐ Ä¡°úÇб³½Ç

Abstract

Àå±âÀûÀÎ Ä©¼ÖÁú½Ã ¿ÜºÎ stain ó¸®µÈ IPS e.max Press µµÀçÀÇ »öÀÇ º¯È­¸¦ ºÐ±¤Ãø»öÀåÄ¡(SpectroShade¢â)¸¦ ÀÌ¿ëÇÏ¿© ÃøÁ¤ÇÏ°í ºñ±³ÇÔÀ¸·Î½á ¿ÜºÎ stainÀÇ »ö ¾ÈÁ¤¼ºÀ» Æò°¡ÇØ º¸°íÀÚ ÇÑ´Ù. IPS e.max Press LT ingots shade a1(Ivoclar Co.,Liechtenstein)¸¦ »ç¿ëÇÏ¿© ºí·Ï ÇüÅÂÀÇ ½ÃÆíÀ» Á¦ÀÛÇÏ¿´À¸¸ç Orange, A, B, C, D shade·Î ¿ÜºÎ stain ó¸® ÇÏ¿´´Ù. Ä©¼ÖÁú ±â°è¸¦ ÀÌ¿ëÇÏ¿© 1³â(11,000ȸ), 2³â(22,000ȸ), 4³â(44,000ȸ), 6³â(66,000ȸ), 8³â(88,000ȸ) Ä¡ÀÇ Ä©¼ÖÁú ¿îµ¿À» ¼öÆòÀûÀ¸·Î ½ÃÇàÇÏ¿´´Ù. SpectroShadetm MICRO(MHT, Italy)¸¦ ÀÌ¿ëÇÏ¿© »öÁ¶ º¯È­¸¦ ÃøÁ¤ÇÏ¿´´Ù. 1³âÄ¡(11,000ȸ)ÀÇ Ä©¼ÖÁú ¿¬¸¶ ÈÄ Orange shade¿¡¼­ ´Ù¸¥ 4°³ÀÇ shadeº¸´Ù ´õ Å©°Ô »ö Â÷ÀÌ°¡ ³ªÅ¸³µ´Ù. ±× ÈÄ Ä©¼ÖÁú Ƚ¼ö°¡ Áõ°¡ÇÏ¿©µµ, ¿ÜºÎ stainÀÇ shade¿¡ µû¸¥ »ö Â÷ÀÌÀÇ º¯È­´Â Åë°èÀûÀ¸·Î À¯ÀǼºÀÌ ¾ø¾ú´Ù. Ä©¼ÖÁúÀÇ È½¼öÀÇ Áõ°¡¿¡ µû¸¥ »ö Â÷ÀÌÀÇ º¯È­·®Àº ÀÏÁ¤ÇÑ Áõ°¡³ª °¨¼ÒÀÇ °æÇâÀ» º¸ÀÌÁö ¾Ê°í ºÒ±ÔÄ¢ÇÏ¿´À¸¸ç Åë°èÇÐÀûÀ¸·Î À¯ÀÇÇÑ Â÷ÀÌ°¡ ¹ß°ßµÇÁö ¾Ê¾Ò´Ù. Ä©¼ÖÁúÀÌ IPS e.max Press µµÀçÀÇ ¿ÜºÎ stainÀÇ º¯È­¿¡ Å©°Ô ¿µÇâÀ» ¹ÌÄ¡Áö ¾ÊÀ¸¸ç ÀÓ»óÀûÀ¸·Îµµ ¿ÜºÎ stainÀÇ »ö ¾ÈÁ¤¼ºÀÌ ÀÎÁ¤µÈ´Ù°í »ý°¢µÈ´Ù. ÃßÈÄ ¿ÜºÎ stain¿¡ ¿µÇâÀ» ¹ÌÄ¥ ¼ö ÀÖ´Â ´Ù¸¥ ¿äÀε鿡 ´ëÇÑ ¿¬±¸µµ ÇÊ¿äÇϸ®¶ó »ç·áµÈ´Ù.

The purpose of this study was to evaluate the stability of external stain that long term attrition caused by tooth brushing
affected the color variation of external stain of IPS e.max Press Porcelain. The specimen was made by IPS e.max Press LT ingots, and treated the shade of external staning as Orange, A, B, C, D After conducting horizontal toothbrush strokes about 11,000 / 22,000 / 44,000 / 66,000 / 88,000, Color changers of the external stained layer was measured with SpectroShadetm MICRO(MHT, Italy). The result of this study was obtained as follows: 1. After 11,000 strokes, the color changes of shade were greater in Orange shade than the other 4 shade groups. And even though toothbrush strokes were increased until 88,000 , there were no statistical significant color changes about the external stain shade variation.
2. The amount of color variation about increasing of toothbrushing strokes was irregular(no consistent increasing, or
decreasing), and it was no statistical significant changes According to these results, the long term tooth-brushing doesn¡¯t affect the changes of external stain about IPS e.max press porcelain. And it doesn¡¯t reduce the stability of external stain clinically. Later, it will be needed to study other factors affecting the external stain.

Å°¿öµå

¿ÜºÎ stain;Ä©¼ÖÁú
external stain;tooth brushing

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