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Ji-Soo Kim
, Min-Ji Byon, Yong-Tae Nam, Jin-Bom Kim, Seung-Hwa Jeong
, Min-Ji Byon, Yong-Tae Nam, Jin-Bom Kim, Seung-Hwa Jeong
Abstract
Objectives
This study aims to compare the fluoride-release between different fluorine varnish under in vitro experimental conditions.
Methods
In this study, 5 fluoride varnish products distributed in Korea were selected. V-varnish™ (Vericom, Korea: VV), CavityShield™ (3M ESPE, USA: CS), Clinpro™ White varnish™ (3M ESPE, USA: CP), MI Varnish™ (GC, Japan: MI), and Fluor Protector (Ivoclar Vivadent, Liechtenstein: FP). For the in vitro study, 10 mg of each fluoride varnish was thinly applied to the same area of the specimen. The specimen was then immersed in 3 ml of distilled water at consistent intervals to confirm fluoride release. Nine specimens per group were used. Fluoride ion electrodes were used to measure the fluoride concentration of the solution. The Kruskal-Wallis nonparametric test was performed to compare between each experimental group, and the Wilcoxon signed-rank nonparametric test was performed to compare experimental groups over time. The significance level for a Type I error was set at 0.05. All statistical analyses were performed using SPSS 25.0 (IBM Co., Armonk, NY, USA).
Results
In vitro experiments showed that the amount of fluoride released from MI was higher than the other groups during the first 12 hours after application. However, the amount of fluoride released from CP and CS was higher than MI as the immersion time increased over 12 and 20 hours, respectively. The fluoride release from FP was the lowest at all measurement points.
Figures and Tables
Table 3
Fluoride release after 1 minute immersion over time (0–4 hours)
Values are presented as mean (SD) of fluoride concentration (ppm). The time indicated the time after fluoride varnish application.
CS, CavityShield™; VV, V-varnish™ Premium clear; CP, Clinpro™ White varnish; MI, MI Varnish™; FP, Fluor Protector.
a,b,c,dData in column with the same letter are not significantly different.
Table 4
Fluoride release after 1 hour immersion over time (0–4 hours)
Values are presented as mean (SD) of fluoride concentration (ppm). The time indicated the time after fluoride varnish application.
A/B ratio=0–1 hour/3–4 hour.
CS, CavityShield™; VV, V-varnish™ Premium clear; CP, Clinpro™ White varnish; MI, MI Varnish™; FP, Fluor Protector.
a,b,c,dData in column with the same letter are not significantly different.
Table 5
Four hour fluoride release from 4 to 20 hours
Values are presented as mean (SD) of fluoride concentration (ppm). The time indicated the time after fluoride varnish application.
C/D ratio=4–8 hour/16–20 hour.
CS, CavityShield™; VV, V-varnish™ Premium clear; CP, Clinpro™ White varnish; MI, MI Varnish™; FP, Fluor Protector.
a,b,c,dData in column with the same letter are not significantly different. 1,2,3Data in row with the same number are not significantly different.
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