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Remineralization effect of xylitol containing fluoride mouthrinsing In Situ model

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Abstract

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XylitolÀÌ Ã·°¡µÈ ºÒ¼Ò¿ë¾×¾çÄ¡°¡ ÀΰøÃʱâ¿ì½Äº´¼ÒÀÇ À缮ȸȭ¿¡ ¹ÌÄ¡´Â È¿°ú¿¡ ´ëÇØ ¾Ë
¾Æº¸°íÀÚ ¹ý¶ûÁú½ÃÆí¿¡ ÀÎÀ§ÀûÀ¸·Î Ãʱâ¿ì½Äº´¼Ò¸¦ À¯¹ß½ÃÄÑ ÇÏ¾Ç °¡Ã¶¼ºÀåÄ¡¹°¿¡ ¸Å½ÄÇÑÈÄ
5¸íÀÇ ´ë»óÀÚ ±¸°­³»¿¡ ÀåÂøÇÏ¿© Ÿ¾×¿¡ ÀÇÇÑ ÀÚ¿¬ÀûÀÎ À缮ȸȭ, ¸ÅÀÏ 1ȸ 1ºÐ µ¿¾È 0.05%
ºÒÈ­³ªÆ®·ý¿ë¾× ¾çÄ¡, ¸ÅÀÏ 1ȸ 1ºÐ°£ 10% xylitolÀÌ Ã·°¡µÈ 0.05% ºÒÈ­³ªÆ®·ý¿ë¾×À¸·Î °¢
°¢ 3ÁÖ°£¾¿ ¾çÄ¡ÈÄ ¹ý¶ûÁú½ÃÆíÀÇ Ç¥¸é¹Ì¼¼°æµµ, º´¼Ò ±íÀÌ¿¡ µû¸¥ ¹Ì¼¼°æµµ, ³»»ê¼º½ÇÇè ÈÄ
Ç¥¸é¹Ì¼¼°æµµ¸¦ ÃøÁ¤ÇÏ°í ÁÖ»çÀüÀÚÇö¹Ì°æÀ¸·Î Ç¥¸éº¯È­¸¦ °üÂûÇÏ¿© ´ÙÀ½°ú °°Àº °á°ú¸¦ ¾ò
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1. ±¸°­³» ³ëÃâ½ÇÇèÈÄ Ç¥¸é¹Ì¼¼°æµµ¸¦ ÃøÁ¤ÇÑ °á°ú ±¸°­³» ³ëÃⱺ ¸ðµÎ ÀΰøÃʱâ¿ì½Äº´¼Ò
¿¡ ºñÇØ Áõ°¡µÇ¾úÀ¸¸ç (p<0.05) ±¸°­³» ³ëÃⱺ »çÀÌ¿¡´Â Åë°èÀûÀ¸·Î À¯ÀÇÇÑ Â÷ÀÌ´Â ¾ø¾ú´Ù.
2. ±¸°­³» ³ëÃâ½ÇÇèÈÄ ³»»ê¼º½ÇÇèÀ» ÇàÇÏ¿© Ç¥¸é¹Ì¼¼°æµµ¸¦ ÃøÁ¤ÇÑ °á°ú Ÿ¾×±º¿¡ ºñÇØ
ºÒ¼Ò¿ë¾×¾çÄ¡±º, xylitol-ºÒ¼Ò¿ë¾×¾çÄ¡±ºÀÌ ³ôÀº Ç¥¸é¹Ì¼¼°æµµ¸¦ ³ªÅ¸³»¾úÀ¸¸ç (p<0.05), ±¸
°­³» ³ëÃâ½ÇÇ豺ÀÇ Ç¥¸é¹Ì¼¼°æµµ¿¡ ´ëÇØ ³»»ê¼º½ÇÇèÈÄ Ç¥¸é¹Ì¼¼°æµµ¸¦ ¹éºÐÀ²·Î ³ªÅ¸³½ °æ
¿ì xylitol-ºÒ¼Ò¿ë¾×¾çÄ¡±º, ºÒ¼Ò¿ë¾×¾çÄ¡±º, Ÿ¾×±ºÀÇ ¼øÀ¸·Î ³ªÅ¸³µÀ¸¸ç Ÿ¾×±º¿¡ ºñÇØ ºÒ
¼Ò¿ë¾×¾çÄ¡±º, xylitol-ºÒ¼Ò¿ë¾×¾çÄ¡±ºÀÌ »ê¿¡ ´ëÇÑ ÀúÇ×¼ºÀÌ ³ô°Ô ³ªÅ¸³µ´Ù (p<0.05).
3. ±¸°­³» ³ëÃâ½ÇÇèÈÄ º´¼Ò ±íÀÌ¿¡ µû¸¥ ¹Ì¼¼°æµµ¸¦ ÃøÁ¤ÇÑ °á°ú Ç¥¸é¿¡¼­ 25§­, 45§­ ±í
ÀÌ¿¡¼­´Â ±¸°­³» ³ëÃâ½ÇÇ豺ÀÌ Å»È¸±º¿¡ ºñÇØ °æµµ°¡ ³ô¾Æ À缮ȸȭ°¡ ÁøÇàµÇ¾úÀ½À» ¾Ë ¼ö
ÀÖ¾úÀ¸³ª (p<0.05), 65§­ ±íÀÌ¿¡¼­´Â °¢ ½ÇÇ豺°£¿¡ Åë°èÀûÀ¸·Î À¯ÀÇÇÑ Â÷ÀÌ°¡ ¾ø¾ú´Ù.
4. EDXS·Î Ç¥¸éÀÇ ¼ººÐÀ» ºÐ¼®ÇÏ¿© Ca/P¸¦ ºñ±³ÇÑ °á°ú ÀΰøÃʱâ¿ì½Äº´¼Ò, Ÿ¾×±º, ºÒ¼Ò
¿ë¾×¾çÄ¡±º, xylitol-ºÒ¼Ò¿ë¾×¾çÄ¡±ºÀÇ ¼øÀ¸·Î ³ô¾ÆÁ® º¸´Ù ¾ÈÁ¤µÈ °áÁ¤ÇüÅ·ΠÀ缮ȸȭµÇ¾ú
À½À» ¾Ë ¼ö ÀÖÀ¸³ª Åë°èÀûÀ¸·Î À¯ÀÇÇÑ Â÷ÀÌ´Â ¾ø¾ú´Ù(p>0.05).
5. ÁÖ»çÀüÀÚÇö¹Ì°æÀ¸·Î ±¸°­³» ³ëÃâ½ÇÇëÈÄ Ç¥¸éº¯È­¾ç»óÀ» °üÂûÇÑ °á°ú Ÿ¾×³ëÃⱺ, ºÒ¼Ò
¿ë¾×¾çÄ¡±º ¹× xylitol-ºÒ¼Ò¿ë¾×¾çÄ¡±º ¸ðµÎ¿¡¼­ ÀΰøÃʱâ¿ì½Äº´¼Ò¿¡ ºñÇØ Å»È¸¾ç»óÀÌ »ó´ç
È÷ °¨¼ÒÇÏ¿´°í ¹Ì¼¼°ø°ú ±Õ¿­ºÎÀ§°¡ ´ëºÎºÐ ȸº¹µÇ¾î Ç¥¸é±¸Á¶°¡ ºñ±³Àû ±ÕÀÏÇÏ¿´À¸¸ç °ú¸³
ÇüÀÇ Ä§Âø¹°µéÀÌ °üÂûµÇ¾î À缮ȸȭ °úÁ¤À» È®ÀÎÇÒ ¼ö ÀÖ¾ú´Ù.

The purpose of this study was to investigate the effect of xylitol containing
mouthrinse on remineralization of early caries-like lesions in situ model.
One hundred twenty extracted fast premolars for orthodontic treatment were collected
and early caries-like lesions (ECL) were artificially created using 0.1M lactic
acid-sodium hydroxide buffer (pH=4.0). Enamel specimens with ECL were mounted on
the removable lower appliances with sticky wax. Five conveniently selected subjects
wore the appliance for three separate 21 days without any treatment, with daily
exposure to 0.05% NaF solution for 1 minute and daily exposure to 10% xylitol
containing 0.05% NaF solution for 1 minute. Fluoride and xylitol-free dentifrice was
used for all regimens. There were two weeks of wash-out period between three
consecutive experiments to prevent carry-over effect. Surface and cross-sectional
microhardness were measured with Vicker's microhardness tester. The change of enamel
surface were also observed with Energy Dispersive X-ray Spectrum (EDXS) and
scanning electron microscopy. Differences in each group were compared by one-way
ANOVA and Duncan's multiple range test. Corresponding p-values were considered
significant at values <0.05.
Surface microhardness values after intra-oral exposure (IOE) were significantly higher
than ECL (p<0.05), but there were no differences between saliva, fluoride and xylitol-F
group. As for surface microhardness after a controlled acid challenge, auoride and
xylitol-F group were higher than saliva exposure group(p<0.05). When the values of
surface microhardness after ART were converted into percentage ratio with the values
of each IOE group, xylitol-F group was highest among three groups (p<0.05).
Cross-sectional microhardness at 25§­, 45§­ depth from enamel surface were higher in
IOE than ECL (p<0.05), but not at 65§­ depth. When the morphologic changes of
surface after IOE were observed with SEM, there found some evidences of
remineralization with relatively homogeneous surface patters and granules.
All the findings presented support the conclusion that saliva was good enough to
remineralize the early caries-like lesion if the subject could keep good oral hygiene.
Fluoride mouthrinsing could provide a resistance from secondary acid attack. This study
did not focus on the anti-cariogenic effect of xylitol but on the reversals of early
carious like lesions. The author suggest that true xylitol elects on remineralization of
early caries like lesion are a clinical reality, whatever their mechanisms.

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ÀÚÀϸ®Åç; ºÒÈ­³ªÆ®·ý ¾çÄ¡¸Æ; ÀΰøÃʱâ¿ì½Äº´¼Ò; À缮ȸȭ; xylitol; 0.05% NaF mouthrinsing; remineralization; In situ model;

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