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THE COMOPARATIVE STUDY ON THE COLOR OF THE DECIDUOUS TEETH AND RESTORATIVE MATERIALS

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Abstract

Çѱ¹ ¾î¸°ÀÌÀÇ Á¤»óÀûÀÎ À¯Ä¡ »öÁ¶¿Í º¹ÇÕ·¹ÁøÀÇ »öÁ¶°£ÀÇ ºñ±³¿¬±¸¸¦ À§ÇØ Àü½ÅÀûÀÎ º´·ÂÀÌ ¾ø°í, Ä¡¾Æ¿ì½ÄÁõÀÌ ¾øÀ¸¸ç, Ä¡¾Æ»ö¿¡ ÀÌ»óÀÌ ¾ø´Â 3-6¼¼ÀÇ ¼Ò¾Æ 148¸íÀ» ´ë»óÀ¸·Î »ó¾Ç Á¡¤¿ì ÁßÀýÄ¡ÀÇ Ä¡¾ÆÀÇ »öÀ» shade guide¿Í »öÂ÷°è(colorimeter CV300)¸¦ ÀÌ¿ëÇÏ¿© ÃøÁ¤ÇÏ¿´°í, ¶ÇÇÑ »ó¿ëµÇ´Â º¹ÇÕ·¹ÁøÀ» ÁßÇÕ½ÃÄÑ ¸¸µç ½ÃÆíÀ» Á¤·®ÀûÀ¸·Î ºÐ¼®ÇÏ¿© ´ÙÀ½°ú °°Àº °á°ú¸¦ ¾ò¾ú´Ù.
1. À¯ÀüÄ¡ÀÇ »öÀº shade guide¿Í ºñ±³È÷¿© ÃøÁ¤ÇÏ¿´À» ¶§, Al, A2, Bl, B2, P »öÁ¶¿¡ 90% ÀÌ»ó ºÐÆ÷ÇÏ¿´´Ù.
2. »öÂ÷°è colorimeter CV300À¸·Î °èÃø½Ã¿¡ À¯ÀüÄ¡ÀÇ »ö Æò±ÕÀº L*=58.72, a*=-1.18, b*=-0.63À̾ú´Ù.
3. ±¤Á¾ÇÕÇÏ¿© Á¦ÀÛµÈ º¹ÇÕ·¹Áø ½ÃÆíÀÇ Æò±ÕÄ¡´Â Al½ÃÆí¿¡¼­´Â L*=52.52, a*=-1.90, b*=1.18 A2½ÃÆí¿¡¼­´Â L*=54.90, a*=-1.87, b*=1.60, B1½ÃÆí¿¡¼­´Â L*=59.80, a*=-2.70, b*=-0.63, B2½ÃÆí¿¡¼­´Â L*=56.90, a*=-1.70, b*=1.63, P½ÃÆí¿¡¼­´Â L*=52.93, a*=-2.33, b*=1.10µîÀ¸·Î ³ªÅ¸³ª, Bl »öÁ¶°ªÀÌ À¯ÀüÄ¡ÀÇ »öÆò±Õ°ú °¡Àå À¯»çÇÏ¿´°í Al »öÁ¶¿Í P »öÁ¶°¡ À¯»çÇÏ¿´´Ù.
4. »ö°£ÀÇ L*, a*°ª¿¡´Â Ç¥ÁØÆíÂ÷°¡ Àû¾úÀ¸³ª, ³ë¶û°è¿­ÀÇ b*°ªÀº Ç¥ÁØÆíÂ÷°¡ Å©°Ô ³ªÅ¸³µ´Ù.
The purpose of this study was to analyse the color of natural deciduous teeth in Korean children and to compare with that of composite resin specimens.
The subjects were 148 children (80 boys and 68 girls) with good general condition and normal teeth color, aged between 3 and 6 years. The color of middle third of maxillary central incisor in deciduous teeth was examined with shade guide and then measured by means of the colorimeter CV300 which can be measured by CIELAB system.
The data were analyzed statistically by SPSS program. The results were summerized as follows;
1. Over 90% of the color for the deciduous anterior teeth was in Al, A2, B1, B2 and P shade.
2. The means of deciduous teeth color were L* = 58.72, a* -1.18, b* =-0.63 by colorimeter CV300.
3. L*, a* and b* prices for Al, A2, B1, B2, P were L* =52.52, a*=-1.90, b*=1.18 in Al specimen, L*=54.90, a*=-;1.87, b*=1.60 in A2 specimen, L*=59.80, a*=-2.70, b* =-0.63 in B1 specimen, L* =56.90, a*=-1.70, b*=1.63 in B2 specimen, L*=52.93, a*=-2.33, b* =1.10 in P specimen. The means of Bl color specimen were most similar to those of deciduous teeth color. The Al color values were similar to the P color values.
4. The standard deviation of L*, a* was small among colors, but that of b*, in the yellowish color, was large.

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