불소바니쉬에 의한 탈회 유전치 법랑질의 재광화 효과
Remineralization Effects on the Demineralized Enamel of Primary Teeth by Fluoride Varnish
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초록
본 연구는 탈회 유전치에 3가지 불소바니쉬를 이용하여 인공우식의 재광화 효과를 비교 평가하였다. 인공우식용액에 40개의 건전한 유전치 시편을 침적시킨 후, 37℃ 항온기에 7일 동안 보관하여 유전치에 탈회를 형성하였다. Cavity shieldTM, V varnishTM, MI varnishTM를 1주일에 한 번씩 3주 동안 탈회된 유전치에 도포 후 불소바니쉬 종류에따른 미세경도 변화를 평가하였다. 1주차에서는 MI varnishTM군이 가장 높은 재광화 효과를 보였고 다음으로 V varnishTM군이 높았으며, Cavity shieldTM군이 낮은 재광화 효과를 보였으며, 세 군 모두 유의한 차이는 없었다(p > 0.05). 2주차에서는 V varnishTM군이 가장 높은 재광화 효과를 보였으며 그 다음으로 MI varnishTM군 높았지만 V varnishTM군과 유의한 차이는 없었다(p > 0.05). Cavity shieldTM군은 V varnishTM군과 MI varnishTM군에 비해 유의하게 낮은 재광화효과를 보였다(p < 0.05). 3주차에서는 V varnishTM군이 나머지 두 군과 유의한 차이를 보이며 가장 높은 재광화 효과를 보였고(p < 0.05), 다음으로 MI varnishTM군이 높았으며 Cavity shieldTM군이 가장 낮은 재광화 효과를 보였지만, MI varnishTM군과의 유의한 차이는 없었다(p > 0.05). 총 미세경도 증가량은 Cavity shieldTM군에 비해 V varnishTM군과 MI varnishTM군이 높았으며(p < 0.05), V varnishTM 군과 MI varnishTM군 사이 통계학적 유의한 차이는 없었다(p > 0.05).
Abstract
The purpose of this study was to compare and evaluate the remineralization effect of three types of fluoride varnishes on demineralized enamel of primary teeth. 40 primary teeth were decalcified by soaking them in artificial acidic solution and stored at 37℃ for 7 days. Then 3 varnishes - Cavity shieldTM, V varnishTM and MI varnishTM were applied respectively one time a week, for 3 weeks on the demineralized enamel surface. For the first week, MI varnishTM showed the highest microhardness value, V varnishTM was in second position, and Cavity shieldTM showed the lowest microhardness value. However, there was no significant difference among the three groups(p > 0.05). For the second week, V varnishTM showed the highest microhardness value, and MI varnishTM came next in second position noting no significant difference (p > 0.05). Cavity shieldTM was significantly lower than the other groups (p < 0.05). For the third week, V varnishTM showed the highest microhardness value, noting a significant difference from the other groups (p < 0.05). MI varnishTM came next, while Cavity shieldTM showed the lowest microhardness value. However, there was no significant difference between MI varnishTM and Cavity shieldTM (p > 0.05). The increase in the microhardness of groups V varnishTM and MI varnishTM were higher than that of group Cavity shieldTM (p < 0.05), while no significant difference was noted between groups V varnishTM and MI varnishTM (p > 0.05).
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