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Research Article

Effect of Fluoride Varnish Containing CPP-ACP on Preventing Enamel Erosion

Table 2

Mean surface roughness values () ± standard deviation.

GroupsMean ± standard deviation (nm)

Group 1 (negative control)149.84 ± 15.84
Group 2 (positive control)261.70 ± 25.99
Group 3171.18 ± 16.78
Group 4193.09 ± 8.38
Group 5214.57 ± 9.20

Different superscript letters indicate statistically significant differences (one-way ANOVA; Tukey’s test; ; ).