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Antibacterial Activity Of Cavity Liners/Bases In Strptcoccus Mutans And Actinomyces Viscosus

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Abstract

°á·Ð
ÀúÀÚ´Â µµÀç½ÃÆíÀÇ »öÁ¶°¡ º¹ÇÕ·¹ÁøÀÇ ÁßÇÕ¿¡ ¹ÌÄ¡´Â ¿µÇâÀ» ¾Ë¾Æº¸±â À§ÇØ Basic, Light
Basic, Dark Basic(Shade º¯¼ö I)°ú Basic, Yellow, Gray(Shade º¯¼ö ¥±)»öÁ¶ÀÇ Á÷°æ 10mm,
µÎ²² 1.0mmÀÇ µµÀç½ÃÆí°ú ³»°æ 7.0mm, ³ôÀÌ 1.0mmÀÇ °ËÀº»ö Plastic mold¸¦ Á¦ÀÛÇÑ ÈÄ ÀÌ
¸¦ ¿Íµ¿À¸·Î ÇÏ¿© Hybrid type °¡½Ã±¤¼± ÁßÇÕÇü º¹ÇÕ·¹ÁøÀÎ Choice adhesive paste ¸¦ ±âÆ÷
°¡ »ý±âÁö ¾Êµµ·Ï °¡¾Ð ÃæÀüÇÑ ÈÄ ÀÌ À§¿¡ Celluloid strip °ú µµÀç½ÃÆíÀ» ¿Ã·Á³õÀº ´ÙÀ½
Shade º¯¼ö I (Brightness)½ÇÇè¿¡¼­´Â ÀÌ À§¿¡ Á÷Á¢ °¡½Ã±¤¼±À» 30ÃÊ, 60ÃÊ, 90ÃÊ, 120ÃÊ Á¶
»çÇÏ¿© ´ëÁ¶±ºÀ¸·Î ÇÏ¿´°í, Shade º¯¼ö I(Color) ½ÇÇè¿¡¼­´Â °¢ µµÀç½ÃÆíÀ» ¿Ã·Á³õ°í °¡½Ã±¤
¼±À» 30ÃÊ°£ Á¶»çÇÏ¿© µµÀç½ÃÆíÀÇ »öÁ¶, °¡½Ã±¤¼± Á¶»ç½Ã°£¿¡ µû¸¥ ÃÑ 190°³ÀÇ ½ÃÆíÀ» Á¦ÀÛ
ÇÏ¿© ÁßÇÕÁ÷ÈÄ ½ÃÆí »óºÎÀÇ °æµµ¸¦ ÃøÁ¤ÇÏ¿© ´ÙÀ½°ú °°Àº °á°ú¸¦ ¾ò¾ú´Ù.
1. µµÀç´Â °¡½Ã±¤¼± Åõ°ú¸¦ ÀúÇØÇÏ¸ç µµÀç½ÃÆíÀÇ ¸íµµ°¡ °¨¼ÒÇÒ¼ö·Ï º¹ÇÕ·¹Áø ÁßÇÕ °æµµ´Â
°¨¼ÒÇÏ¿´´Ù. (P<0.05)
2. °¡½Ã±¤¼±ÀÇ Á¶»ç½Ã°£ÀÌ Áõ°¡ÇÒ ¼ö·Ï º¹ÇÕ·¹ÁøÀÇ ÁßÇÕ°æµµ´Â À¯ÀǼº ÀÖ°Ô Áõ°¡ÇÏ¿´
´Ù.(P<0.05)
3. µµÀç½ÃÆíÀÇ Color¸¦ ´Þ¸®ÇßÀ» ¶§ °¡½Ã±¤¼± ÁßÇÕÇü º¹ÇÕ·¹ÁøÀÇ Ç¥¸é°æµµ´Â Basic, Yellow,
GrayÀÇ ¼ø¼­·Î ³ªÅ¸³µ´Ù. (P<0.05)
ÀÌ»óÀÇ ½ÇÇèÀ» ÅëÇØ ÀúÀÚ´Â µµÀç »öÁ¶ÀÇ ¸íµµ°¡ ³ôÀ»¼ö·Ï, °¡½Ã±¤¼± Á¶»ç½Ã°£ÀÌ Áõ°¡ÇÒ¼ö
·Ï µµÀçÇÏ¹æ º¹ÇÕ·¹ÁøÀÇ ÁßÇÕ°æµµ´Â Áõ°¡ÇÑ´Ù´Â °á·ÐÀ» ¾ò¾ú´Ù.
#ÃÊ·Ï#
The purpose of this study was to evaluate the effect of variable shades of porcelain
disc on the curing the composite resin. Round porcelain disc, 10mm in diameter and
1.0mm in thickness, was processed in 5 different shades ; basic, light basic, dark basic,
yellow and gray, and black plastic molds, 7.0mm in inner diameter and 1.0mm in
thickness, was prepared. A mold was placed on the glass plate and filled with composite
resin(hybrid type CHOICE porcelain adhesive paste, shade Al, Bisco Dental Product, Co).
In experimental group, a celluloid strip was placed over the composite resin and a
porcelain discs were placed on the top. Each specimen was cured with visible light
curing unit 30, 60, 90 and 120 seconds. In control group, only celluloid strip was placed
over the composite resin and cured with visible light curing unit using given 4 different
exposure time. After the visible light exposed, the surface knoop hardness number of
each composite resin specimen was measured of top surface. results of this study were
as follows. :
1. The porcelain disc was diminished by the degree of the visible light transmission and
as the brightness of porcelain disc shard decreased, the surface hardness of composite
resin specimen decreased. (P<0.05)
2. As the exposure time of the visible light increased, the surface hardness of the
composite resin specimen was increased with statistical significance. (P<0.05)
3, In 3 different porcelain disc color, the surface hardness of the composite resin
specimen decreased in order ; basic, yellow and gray.(P<0.05)

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