Journal of Dental Hygiene Science : eISSN 2233-7679

Table 4

Luminosity (L), Chromaticity a (a), and Chromaticity b (b) Changes for Different Esthetic Restorative Materials over Time in Curry Staining

DifferenceSelf-curing GILight-curing GIFlowable resinPackable resinp-value
LBefore-1 week after staining0.57±4.111.06±2.401.09±0.720.92±0.670.966
Before-1 week after whitening−0.09±2.85−1.32±1.51−0.10±0.94−0.36±1.720.471
Before-2 weeks after whitening−0.09±0.670.90±0.40−0.22±0.26−0.67±0.430.330
p-value0.7240.1800.1060.213
aBefore-1 week after staining0.39±0.46a4.41±1.06b2.38±0.34c2.28±0.45c<0.001
Before-1 week after whitening−0.20±0.09a1.89±0.67b0.02±0.38a−0.12±0.44a<0.001
Before-2 weeks after whitening−0.09±0.67a0.90±0.40b−0.22±0.26a−0.67±0.43a<0.001
p-value0.013<0.001<0.001<0.001
bBefore-1 week after staining−2.33±1.79a−18.40±4.76b−7.55±2.03c−8.17±1.44c<0.001
Before-1 week after whitening0.96±0.98a−6.75±2.87b−0.06±1.43a0.54±1.51a<0.001
Before-2 weeks after whitening1.74±1.04ac−3.53±1.35b0.42±1.24a2.71±1.71c<0.001
p-value<0.001<0.001<0.0010.001

Values are presented as mean±standard deviation.

GI: glass ionomer.

p-value: repeated measure ANOVA.

a,b,cTukey post-hoc analysis.

J Dent Hyg Sci 2021;21:178-84 https://doi.org/10.17135/jdhs.2021.21.3.178
© 2021 J Dent Hyg Sci