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Table 2 Comparison of ∆E values of the treatment and control groups

From: Clinical evaluation of resin infiltration treatment masking effect on hypomineralised enamel surfaces

 

Treatment group

Control group

∆E1a

9.99 ± 6.98a,A

5.43 ± 5.78b,B

∆E2a

11.3 ± 8.99a,A

3.75 ± 4.77b,B

∆E3a

11.12 ± 7.66a,A

4.94 ± 5.56b,B

∆E4a

11.54 ± 7.13a,A

4.53 ± 5.59b,B

  1. The Kruskal–Wallis test statistic and independent t-test were used. Lower case letters indicate in-group evaluation between rows; capital letters indicate evaluation between the columns. The same letters indicate that there is no statistically significant difference (p > 0.05), and different letters indicate that there is a statistically significant difference (p < 0.05)
  2. ∆E1a: Colour difference between before treatment and immediately after treatment
  3. ∆E2a: Colour difference between before treatment and 1 month after treatment
  4. ∆E3a: Colour difference between before treatment and 3 months after treatment
  5. ∆E4a: Colour difference between before treatment and 6 months after treatment