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INFLUENCE OF THE COLOR OF COMPOSITE RESINS APPLIED TO LINGUAL SURFACE ON THE LABIAL TOOTH COLOR

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ȲÀ±Âù ( Hwang Yun-Chan ) - Àü³²´ëÇб³ Ä¡ÀÇÇÐÀü¹®´ëÇпø º¸Á¸Çб³½Ç
¿À¿ø¸¸ ( Oh Won-Mann ) - Àü³²´ëÇб³ Ä¡ÀÇÇÐÀü¹®´ëÇпø º¸Á¸Çб³½Ç
ȲÀγ² ( Hwang In-Nam ) - Àü³²´ëÇб³ Ä¡°ú´ëÇÐ º¸Á¸Çб³½Ç

Abstract

º» ¿¬±¸´Â ¼ø¸é ÀÜÁ¸ Ä¡ÁúÀÇ µÎ²²¿Í ÈÄ¹æ º¹ÇÕ·¹ÁøÀÇ »ö»óÀÌ ÃÖÁ¾ ¼öº¹µÈ Ä¡¾ÆÇ¥¸éÀÇ »ö»ó¿¡ ¹ÌÄ¡´Â ¿µÇâÀ» ¾Ë¾Æº¸°íÀÚ ½ÃÇàÇÏ¿´´Ù. ¹è°æÆÇÀ¸·Î »ç¿ëµÉ º¹ÇÕ·¹ÁøÀº Filtek Supreme (3M ESPE, St. Paul, U.S,A.)ÀÇ A1, A2, A6D, B1, B2, B3, C1, C2, C6D¸¦ ¼±ÅÃÇÏ¿´´Ù. ¹è°æÆÇÀ¸·Î »ç¿ëµÉ º¹ÇÕ·¹Áø ½ÃÆíÀº Á÷°æ 10 mm, µÎ²² 4.5 mm·Î °¢ shade´ç ÇÑ °³¾¿ Á¦ÀÛÇÏ¿´´Ù. ¼ø¸é ÀÜÁ¸ Ä¡ÁúÀº »ó¾Ç ÁßÀýÄ¡ Ä¡°üÀÇ ¼ø¸éÀ» Á¦¿ÜÇÑ ³ª¸ÓÁö ºÎÀ§¸¦ ¾ÆÅ©¸±¸¯ ·¹ÁøÀ» ÀÌ¿ëÇÏ¿© ¸Å¸ô ÈÄ Àú¼ÓÀÇ Diamond Wheel Saw (Isomet ; Buehler Ltd, Lake Bluff, U.S.A.)¸¦ ÀÌ¿ëÇÏ¿© ÁÖ¼ö ÇÏ¿¡ ¼ø¸éÀ¸·ÎºÎÅÍ 2.5 mm µÎ²²·Î Àý´ÜÇÏ¿´´Ù. Àý´ÜµÈ »ó¾ÆÁúÃø Ç¥¸éÀ» 2000¹ø »çÆ÷·Î ¿¬¸¶ÇÏ¿© 2.2 mm µÎ²²ÀÇ ½ÃÆíÀ» ¾ò¾ú´Ù. ºÐ±¤±¤µµ°è Spectrolino? (Serial No. 3257-18522, GretagMacbeth, Regensdorf, Switzerland)¸¦ ÀÌ¿ëÇÏ¿© Ä¡¾Æ ½ÃÆíÀ» 9°³ÀÇ º¹ÇÕ·¹Áø ½ÃÆíÀ§¿¡ Á¢Ã˸鿡 ¼öºÐÀÌ ÀÖ´Â »óÅ·ΠÀ§Ä¡½ÃÄÑ Ä¡¾Æ ¼ø¸é»ö»óÀ» ÃøÁ¤ÇÏ¿´´Ù. ±× ÈÄ, Ä¡¾Æ½ÃÆí ÀÇ »ó¾ÆÁú Ãø¸éÀ» 1.0 mm±îÁö 0.3 mm °£°ÝÀ¸·Î ¿¬¸¶Çϸ鼭 º¹ÇÕ·¹Áø ½ÃÆíÀ§¿¡ À§Ä¡½ÃÄÑ µ¿ÀÏÇÑ ¹æ¹ýÀ¸·Î »ö»óÀ» ÃøÁ¤ÇÏ¿´´Ù. ¸ðµç ½ÃÆí¿¡¼­ L*°ª°ú b*°ªÀº ¹è°æ»ö¿¡ ¹«°üÇÏ°Ô Ä¡¾Æ½ÃÆíÀÇ µÎ²²°¡ µÎ²¨¿öÁú¼ö·Ï Áõ°¡ÇÏ´Â ¾ç»óÀ» º¸¿´À¸³ª(p <0.05), a*°ªÀº ¹è°æ»ö¿¡ ¹«°üÇÏ°Ô µÎ²²¿¡ µû¸¥ À¯ÀÇÇÑ Â÷À̸¦ º¸ÀÌÁö ¾Ê¾Ò´Ù.

In this study we evaluated the influence of both the thickness of residual enamel and the color of the composite resins applied to lingual surface on the labial surface color. Background plates were made by randomly (A1, A2, A6D, B1, B2, B3, C1, C2, C6D) selected colors of Filtek Supreme (3M ESPE, St. Paul, U.S.A.) composite resin . Crown portion of 9 maxillary central incisors were cut off and embedded with acrylic resin except labial surface. Samples of average thickness of 2.2 mm were obtained after cutting it in a thickness of 2.5 mm from the labial surface and sandpaper polish. The shade of composite resin background was measured using Spectrophotometer (Spectrolino?, GretagMacbeth, Regensdorf, Switzerland). And CIE L*a*b* value of 2.2 mm thickness tooth samples were measured on the 9 composite resin backgrounds. And then, the cutting side of tooth samples was ground to the extent of 1.9 mm, 1.6 mm, 1.3 mm, 1.0 mm and placed on composite resin backgrounds and measured L*a*b* values with the same method. In all samples, L* value and b* value seemed to have a tendency of decreasing as thickness of tooth sample becomes thinner regardless of background colors (p < 0.05). But, a* value didn¡¯t show the significant differences depending on the thickness.

Å°¿öµå

Ä¡¾Æ»ö»ó;·¹Áø»ö»ó;»öÂ÷°è;¹ý¶ûÁú»ö»ó;ÈĹæ»ö»ó
tooth color;resin color;colorimeter;enamel color;background color

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