Journal of the korean academy of Pediatric Dentistry (대한소아치과학회지)

Korean Academy of Pediatric Dentistry (대한소아치과학회)
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Remineralization Effects on the Demineralized Enamel of Primary Teeth by Fluoride Varnish

불소바니쉬에 의한 탈회 유전치 법랑질의 재광화 효과

  • Cho, Seongeun (Jinju Health College) ;
  • Kim, Jongbin (Department of Pediatric Dentistry, School of Dentistry, Dankook University) ;
  • Kim, Jongsoo (Department of Pediatric Dentistry, School of Dentistry, Dankook University)
  • 조성은 (진주보건대학교) ;
  • 김종빈 (단국대학교 치과대학 소아치과학교실) ;
  • 김종수 (단국대학교 치과대학 소아치과학교실)
  • Received : 2015.09.10
  • Accepted : 2015.10.20
  • Published : 2016.02.29
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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 $37^{\circ}C$ for 7 days. Then 3 varnishes - Cavity shield$^{TM}$, V varnish$^{TM}$ and MI varnish$^{TM}$ were applied respectively one time a week, for 3 weeks on the demineralized enamel surface. For the first week, MI varnish$^{TM}$ showed the highest microhardness value, V varnish$^{TM}$ was in second position, and Cavity shield$^{TM}$ showed the lowest microhardness value. However, there was no significant difference among the three groups(p > 0.05). For the second week, V varnish$^{TM}$ showed the highest microhardness value, and MI varnish$^{TM}$ came next in second position noting no significant difference (p > 0.05). Cavity shield$^{TM}$ was significantly lower than the other groups (p < 0.05). For the third week, V varnish$^{TM}$ showed the highest microhardness value, noting a significant difference from the other groups (p < 0.05). MI varnish$^{TM}$ came next, while Cavity shield$^{TM}$ showed the lowest microhardness value. However, there was no significant difference between MI varnish$^{TM}$ and Cavity shield$^{TM}$ (p > 0.05). The increase in the microhardness of groups V varnish$^{TM}$ and MI varnish$^{TM}$ were higher than that of group Cavity shield$^{TM}$ (p < 0.05), while no significant difference was noted between groups V varnish$^{TM}$ and MI varnish$^{TM}$ (p > 0.05).

본 연구는 탈회 유전치에 3가지 불소바니쉬를 이용하여 인공우식의 재광화 효과를 비교 평가하였다. 인공우식용액에 40개의 건전한 유전치 시편을 침적시킨 후, $37^{\circ}C$ 항온기에 7일 동안 보관하여 유전치에 탈회를 형성하였다. Cavity shield$^{TM}$, V varnish$^{TM}$, MI varnish$^{TM}$를 1주일에 한 번씩 3주 동안 탈회된 유전치에 도포 후 불소바니쉬 종류에 따른 미세경도 변화를 평가하였다. 1주차에서는 MI varnish$^{TM}$군이 가장 높은 재광화 효과를 보였고 다음으로 V varnish$^{TM}$군이 높았으며, Cavity shield$^{TM}$군이 낮은 재광화 효과를 보였으며, 세 군 모두 유의한 차이는 없었다(p > 0.05). 2주차에서는 V varnish$^{TM}$군이 가장 높은 재광화 효과를 보였으며 그 다음으로 MI varnish$^{TM}$군 높았지만 V varnish$^{TM}$군과 유의한 차이는 없었다(p > 0.05). Cavity shield$^{TM}$군은 V varnish$^{TM}$군과 MI varnish$^{TM}$군에 비해 유의하게 낮은 재광화 효과를 보였다(p < 0.05). 3주차에서는 V varnish$^{TM}$군이 나머지 두 군과 유의한 차이를 보이며 가장 높은 재광화 효과를 보였고(p < 0.05), 다음으로 MI varnish$^{TM}$군이 높았으며 Cavity shield$^{TM}$군이 가장 낮은 재광화 효과를 보였지만, MI varnish$^{TM}$군과의 유의한 차이는 없었다(p > 0.05). 총 미세경도 증가량은 Cavity shield$^{TM}$군에 비해 V varnish$^{TM}$군과 MI varnish$^{TM}$군이 높았으며(p < 0.05), V varnish$^{TM}$군과 MI varnish$^{TM}$군 사이 통계학적 유의한 차이는 없었다(p > 0.05).

Keywords

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