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The effect of fluoridation on discoloring of bleached teeth

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ÀåÇâ¾Æ ( Jang Hyang-Ah ) - °í·Á´ëÇб³ ÀÓ»óÄ¡ÀÇÇдëÇпø ½É¹Ì¼öº¹Çаú
¼­±Ô¿ø ( Suh Kyu-Won ) - °í·Á´ëÇб³ ÀÓ»óÄ¡ÀÇÇдëÇпø
·ùÀçÁØ ( Ryu Jae-Jun ) - °í·Á´ëÇб³ ÀÓ»óÄ¡ÀÇÇдëÇпø

Abstract

¿¬±¸¸ñÀû: Àü¹®°¡ ¹Ì¹é¼ú ÈÄ ºÒ¼Ò µµÆ÷°¡ Ä¿ÇÇ Âø»ö ½Ã Ä¡¾Æ »ö¿¡ ¹ÌÄ¡´Â ¿µÇâÀ» ¾Ë¾Æº¸°íÀÚ ÇÏ´Â °ÍÀÌ´Ù.

¿¬±¸Àç·á ¹× ¹æ¹ý: 44 °³ÀÇ ½ÃÆíÀº ÀÓÀÇ·Î 4 °³ ±×·ìÀ¸·Î ³ª´©¾ú´Ù. ±×·ì 1Àº ¹Ì¹é°ú ºÒ¼Ò 󸮸¦ ÇÏÁö ¾Ê°í Ä¡¾Æ »ö¿¡ ´ëÇÑ Ä¿ÇÇÀÇ ¿µÇâÀ» ¾Ë¾Æº¸±â À§ÇÑ ´ëÁ¶±ºÀÌ´Ù. ±×·ì 2, 3, 4´Â 35% °ú»êÈ­¼ö¼Ò·Î ÇÏ·ç¿¡ 30 ºÐ°£ 3 ÀÏ µ¿¾È ¹Ì¹é ó¸® ÇÏ¿´´Ù. ±×·ì 2´Â ºÒ¼Ò µµÆ÷¸¦ ÇÏÁö ¾Ê¾Ò°í, ±×·ì 3°ú 4¿¡´Â °¢°¢ Cavity shield¢ç¿Í pH 7 Gel¢çÀ» µµÆ÷ÇÏ¿´´Ù. ¸ðµç ±×·ìÀº 7 ÀÏ°£ Ä¿ÇÇ ¿ë¾×¿¡ ħÀü½ÃÄ×´Ù. ºÐ±¤±¤µµ°è (VITA Easyshade¢ç)¸¦ »ç¿ëÇÏ¿© ¸íµµ Áö¼ö, äµµ Áö¼ö, »ö»ó Áö¼ö¸¦ 3 ȸ ¹Ýº¹ ÃøÁ¤ÇÏ¿´´Ù.

°á °ú: ¹Ì¹é ó¸®ÇÑ ±×·ì¿¡¼­ ¸íµµ Áö¼ö, »ö»ó Áö¼öÀÇ Áõ°¡¿Í äµµ Áö¼ö °¨¼Ò¸¦ º¸¿´´Ù. ÀÌ´Â TukeyÀÇHSD¸¦ ÀÌ¿ëÇÑ ½Öü ºñ±³ ½Ã ¹Ì¹éÇÑ ±×·ìÀÇ ¸íµµ Áö¼ö, »ö»ó Áö¼ö º¯È­´Â ¹Ì¹éÇÏÁö ¾ÊÀº ±×·ì°ú Åë°èÀûÀ¸·Î À¯ÀÇÇÑ Â÷À̸¦ º¸¿´´Ù (P < .05). Ä¿ÇÇ Àû¿ë ½Ã ¸ðµç ±×·ì¿¡¼­ ¸íµµ Áö¼ö, »ö»ó Áö¼öÀÇ Á¡Â÷ÀûÀÎ °¨¼Ò¸¦ º¸¿´°í, äµµ Áö¼ö´Â °¨¼Ò ÈÄ Áõ°¡ÇÏ¿´´Ù. Ä¿ÇÇ Àû¿ë 7 ÀÏ ÈÄ ±×·ì °£ ¸íµµ Áö¼ö, äµµ Áö¼ö, »ö»ó Áö¼ö º¯È­´Â Åë°èÀûÀ¸·Î À¯ÀÇÇÑ Â÷À̸¦ º¸ÀÌÁö ¾Ê¾Ò´Ù (P > .05). ¶ÇÇÑ Cavity shield??¿Í pH 7 Gel??À» µµÆ÷ÇÑ ±×·ì °£¿¡µµ Åë°èÀûÀ¸·Î À¯ÀÇÇÑ Â÷À̸¦ º¸ÀÌÁö ¾Ê¾Ò´Ù (P> .05).

°á ·Ð: ºÒ¼Ò µµÆ÷°¡ Ä¡¾Æ ¹Ì¹é ÈÄ ¿ÜÀμº Âø»öÀ» ¹æÁöÇϴµ¥ µµ¿òÀ» ÁÖÁö ¸øÇÑ´Ù°í °á·ÐÁöÀ» ¼ö ÀÖ¾ú´Ù.

Statement of problem & Purpose: To study the effect of different fluoridation methods after in-office bleaching on the color of teeth during severe staining with coffee.

Material and Methods: 44 specimens were randomly divided into four groups. Group 1 (no bleaching, no fluoride, coffee) was served as control for the influence of coffee on the color of untreated teeth. Group 2, 3 and 4 were undergone bleaching with 35% H2O2 for 30 minutes a day on 3 consecutive days. Group 2 was remained without fluoridation.bGroup 3 and 4 were fluoridated for 1 hour with either Cavity shield¢ç or pH 7 Gel¢ç. All of groups were immersed in coffee solution for 7 days. Color determination was accomplished using the spectrophotometer (VITA Easyshade¢ç).

Results: ¡âL and ¡âh increased, whereas ¡âC decreased in the bleached groups. Pairwise comparisons with Tukey¡¯s HSD showed that there were statistically significant differences for ¡âL and ¡âh between the bleached groups and the non-bleached group (P < .05). ¡âL and ¡âh decreased continuously, while ¡âC showed an increase after a decrease in all of groups during immersion in coffee solution. After immersion in coffee solution for 7 days there were no statistically
significant differences for ¡âL, ¡âC and ¡âh between the groups (P > .05). Also there were no statistically significant differences for ¡âL, ¡âC and ¡âh between the group 3 treated with Cavity shield¢ç and the group 4 treated with pH 7 Gel¢ç (P > .05).

Conclusion: It was concluded that fluoridation was not beneficial to the prevention of extrinsic
stains after bleaching.

Å°¿öµå

¹Ì¹é;ºÒ¼Ò µµÆ÷;Ä¡¾Æ »öº¯È­;ºÐ±¤±¤µµ°è
bleaching;fluoridation;discoloring;spectrophotometer

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