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J Korean Acad Pediatr Dent. 2018 May;45(2):137-143. Korean. Original Article.
Lee DY , Kim IH , Song JS , Kim SO , Son HK , Lee J .
Department of Pediatric Dentistry, College of Dentistry, Yonsei University, Korea.

The aim of this study is to compare the differences of the demineralization resistance of resin infiltration and 1.23% acidulated phosphate fluoride in bovine teeth with artificial caries. We applied 1.23% Acidulated phosphate fluoride (APF) gel and Icon® caries infiltrant on the artificial bovine enamel carious lesion and then demineralized all samples. The depth of demineralization was measured by using Confocal Laser Scanning Microscope (CLSM) and observed the roughness and irregularity of the enamel was observed by Scanning Electron Microscope (SEM). In this experiment with demineralization resistance on smooth artificial carious lesion, less depth of demineralization, roughness, and irregularity of enamel was observed in APF gel and Icon® group than in the control group. There was no significant difference between the depth of demineralization of 1.23% APF gel and Icon® caries infiltrant group. However, resin infiltration is beneficial as less roughness and irregularity was observed on the enamel surface than when 1.23% APF gel is applied.

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