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A study of illumination of dental laboratories

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ÀÌÈ¿Á¤, ÃÖÁ¾ÀÎ, ±è¼º¼÷, µ¿Áø±Ù,
¼Ò¼Ó »ó¼¼Á¤º¸
ÀÌÈ¿Á¤ ( Lee Hyo-Jung ) - ¿ø±¤´ëÇб³ Ä¡°ú´ëÇÐ Ä¡°úº¸Ã¶Çб³½Ç
ÃÖÁ¾ÀΠ( Choi Jong-In ) - ¿ø±¤´ëÇб³ Ä¡°ú´ëÇÐ Ä¡°úº¸Ã¶Çб³½Ç
±è¼º¼÷ ( Kim Sung-Sook ) - ¿ø±¤´ëÇб³ Ä¡°ú´ëÇÐ Ä¡°úº¸Ã¶Çб³½Ç
µ¿Áø±Ù ( Dong Jin-Keun ) - ¿ø±¤´ëÇб³ Ä¡°ú´ëÇÐ Ä¡°úº¸Ã¶Çб³½Ç

Abstract

¸ñÀû: º» ¿¬±¸´Â Ä¡°ú ±â°ø½ÇÀÇ Á¶¸íÀÌ ½É¹Ì º¸Ã¶À» À§ÇÑ »öÁ¶ÀÇ ºÐº°°ú Á¶È­, ÀçÇö¿¡ Àû´çÇÑÁö ¾Ë¾Æº¸±â À§ÇÑ ½ÇÅ Á¶»çÀÌ´Ù.

¿¬±¸ Àç·á ¹× ¹æ¹ý: 48°÷ÀÇ Ä¡°ú ±â°ø½ÇÀ» ´ë»óÀ¸·Î lux meter¿Í color meter¸¦ ÀÌ¿ëÇÏ¿© Æ÷¼¼¸° ÀÛ¾÷´ë(porcelain table) »óÆÇ Áß½ÉÀÇ Á¶µµ¿Í »ö¿Âµµ¸¦ ÃøÁ¤ ÇÏ¿´´Ù. °¢°¢ÀÇ ±â°ø½ÇÀ» ÀÚ¿¬±¤(day light)°ú ÀΰøÁ¶¸í(artificial illumination)ÀÌ ÀÖ´Â ¿ÀÈÄ 12½Ã - 2½Ã »çÀÌ¿Í ÀΰøÁ¶¸í ¸¸ÀÌ ÀÖ´Â ¿ÀÈÄ 7½Ã - 10½Ã »çÀÌ, 2Â÷·Ê ÃøÁ¤ÇÏ¿´°í, ¸¼Àº ³¯°ú È帰 ³¯·Î ±¸ºÐÇÏ¿´´Ù.

°á°ú: 1. Àüü ±â°ø½ÇÀÇ Æò±Õ Á¶µµ´Â 1871 lxÀ̾ú°í, 67%ÀÇ ±â°ø½ÇÀÌ 1600 lx¸¦ ³Ñ°Ü »ö°ú °ü·ÃÇÑ ÀÛ¾÷À» Çϱ⿡ ÀûÇÕÇÑ Á¶µµ¸¦ °®Ãß¾úÀ¸³ª 33%ÀÇ ±â°ø½ÇÀº ÀÌ¿¡ ¹ÌÄ¡Áö ¸øÇÏ¿´´Ù. 2. Àüü ±â°ø½ÇÀÇ Æò±Õ »ö¿Âµµ´Â 6506 K·Î »ö°ú °ü·ÃÇÑ ÀÛ¾÷À» Çϱ⿡ ºÎÀûÀýÇÏ¿´´Ù. ÀûÁ¤ »ö¿ÂµµÀÎ 5000 - 5500 K¸¦ ¸¸Á·ÇÏ´Â ±â°ø½ÇÀº ¾ø¾ú´Ù. 3. Àüü ±â°ø½ÇÀÇ ³·°ú ¹ãÀÇ Á¶µµ(P = 0.73) ¹× ¸¼Àº ³¯°ú È帰 ³¯ÀÇ Á¶µµ(P = 0.89)¿Í ³·°ú ¹ãÀÇ »ö¿Âµµ(P = 0.17) ¹× ¸¼Àº ³¯°ú È帰 ³¯ÀÇ »ö¿Âµµ(P = 0.51)´Â À¯ÀÇÇÑ Â÷À̸¦ º¸ÀÌÁö ¾Ê¾Ò´Ù.

°á·Ð: º» ¿¬±¸¿¡¼­ Á¶»çµÈ Ä¡°ú ±â°ø½ÇÀÇ Á¶¸íÀº »ö°ú °ü·ÃÇÑ ÀÛ¾÷À» Çϱ⿡ ºÎÀûÀýÇÑ °æ¿ì°¡ ¸¹¾Ò´Ù.

Purpose: This study was designed to investigate the present conditions of illumination techniques in dental laboratories in order to distinguish colors for esthetic dentistry.

Materials and Methods: A total of forty-eight local dental laboratories were selected for sampling a) luminous intensity and b) color temperature. We measured the luminous intensity and the color temperature on a center point of porcelain table with lux meter and color meter respectively. The measurements were performed twice, once on a clear day and on a cloudy day between 12 pm and 2 pm (day light and artificial illumination) and between 7 pm and 10 pm (artificial illumination only).

Results: The results obtained were as follows. 1. The average luminous intensity in dental laboratories lighting was 1871 lx, and 67% of dental laboratories had luminous intensity greater than 1600 lx, which was appropriate for operations related to colors, while 33% of dental laboratories had in sufficient lighting for appropriate luminous intensity. 2. The average color temperature in dental laboratories lighting was 6506 K, which was inappropriate for operations related to color. None of the dental laboratories had a color temperature range of 5000 - 5500 K, which is appropriate for operations related to colors. 3.
Between daytime and nighttime, also between clear day and cloudy day, the average luminous intensity and color emperature in dental laboratories were not significantly different.

Conclusion: Illumination in most dental laboratories selected in this study was inappropriate for operations related to color.

Å°¿öµå

Á¶¸í; Ä¡°ú ±â°ø½Ç; Á¶µµ; »ö¿Âµµ
illumination; dental laboratory; luminous intensity; color temperature

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