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The remineralization effect of topical fluoride agents using confocal laser scanning microscope on artificial enamel caries aspects of convergence observation

공초점 레이저 주사 현미경을 이용한 우치 인공우식법랑질에서 불소도포 전·후의 재광화 효과에 대한 융합적 관찰

  • Lee, Min-Sun (Department of Dental Hygiene, Kyungdong University) ;
  • Kim, Hyo-Jin (Department of Dental Hygiene, Kyungdong University)
  • 이민선 (경동대학교 치위생학과) ;
  • 김효진 (경동대학교 치위생학과)
  • Published : 2017.06.28

Abstract

The aim of this study was to measure the remineralization effect of APF gel and fluride varnish on artificial enamel caries using CLSM in vitro. The samples were divided into 3 groups: control, 1.23% APF gel, 5% NaF varnish. The specimen surfaces were observed by CLSM and measured average fluorescence of the lesion(AFL). The results were analyzed using one-way ANOVA and Pearson's correlation analysis at a significance level off 0.05(PSWA 18.0, SPSS Inc., USA). There were significant differences between AFL at baseline and 1 day after fluoride application(p<0.05) but there are no significant differences between ${\Delta}$ AFL of all groups (p=0.222). Result of Pearson's correlation analysis, there are no significant correlation between VHN and AFL, but there were significant correlation between AFL at baseline and 1 day after fluoride application(r=0.811, p<0.001). Although AFL decreased after fluoride application, but there was no difference between the groups. In the future, it is necessary to test the oral environment model or in situ experiment supplemented the limitations of this study.

본 연구는 우치의 인공우식법랑질에 대한 불소도포 후 재광화 효과를 공초점레이저주사현미경을 통해 비교하고자 진행되었다. 시편에 인공우식을 형성한 후, 대조군, 1.23% APF 겔 도포군, 그리고 5% NaF 바니쉬 도포군으로 구성하여 실험을 진행하였으며, 불소도포 전후의 양상은 CLSM을 이용하여 평균형광강도로 확인하였다. 불소도포 전 후 평균형광강도는 모든 군에서 유의하게 감소하는 양상을 보였으나, 평균형광강도변화량은 실험군간의 통계적으로 유의한 차이는 발견되지 않았다(p=0.222). 탈회된 표면의 표면미세경도와 평균형광강도 간에는 음의 상관관계를 보였고(p=0.941), 탈회표면의 평균형광강도가 클수록 불소도포 1일 경과 후 평균형광강도 증가하는 양의 상관관계를 보였다(r=0.811, p<0.001). 차 후 구강 내 환경을 반영한 모델이나 실제 in-situ 또는 임상실험을 통해 불소도포제제의 재광화 양상에 대한 연구가 필요할 것이다.

Keywords

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