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Table 6 Mean values of color changes of different filling materials after exposure to Coca-Cola

From: In vitro evaluation of dental color stability using various aesthetic restorative materials after immersion in different drinks

Time-line

Micro-hybrid

Nano-hybrid

Glass-ionomer

∆L

∆a

∆b

∆L

∆a

∆b

∆L

∆a

∆b

Day 7

− 0.08 ± 1.48

0.34 ± 0.64

− 0.68 ± 0.6

− 0.14 ± 0.33

0.66 ± 0.05

5.78 ± 1.14

− 6.86 ± 3.05

2.2 ± 0.85

2.38 ± 2.58

Day 30

1.92 ± 8.36

2.4 ± 1.07

0.44 ± 1.69

5.66 ± 8.02

1.3 ± 3.22

7.6 ± 1.52

− 0.12 ± 2.13

2.04 ± 0.9

1.3 ± 2.81