Control of White Spot Lesion Adjacent to Orthodontic Bracket with Use of Fluoride Varnish or Chlorhexidine Gel

Table 2

Mean and SD of the fluorescence values for each group during the experimental time.

Group	Baseline	After artificial induction of WSL	1 week after the 1st application	1 week after the 2nd application	1 month	2 months	3 months
	−7.04 ± 0.83^aA	−13.03 ± 3.77^aB	−8.77 ± 2.01^aA	−6.92 ± 0.52^aA	−7.82 ± 2.25^aA	−7.60 ± 1.88^aA	−8.03 ± 1.89^aA
CHX gel	−7.32 ± 0.96^aA	−13.84 ± 5.24^aB	−11.42 ± 4.77^aB	−8.05 ± 1.69^abA	−8.34 ± 1.38^aA	−8.25 ± 0.99^aA	−8.10 ± 0.94^Aa
Control	−6.84 ± 1.47^aA	−12.42 ± 2.45^aB	−10.98 ± 3.89^aB	−11.28 ± 3.19^bB	−10.12 ± 1.78^aB	−10.20 ± 1.73^aB	−8.58 ± 0.063^aA

Different lower case letters within the same column show significant differences among the treatments. Different capital letters within the same row show significant differences among the periods of remineralization (repeated-measures ANOVA and Tukey’s tests).