Research Article

Comparative Efficacy of Four Stain Removal Methods for Bleach-Shade Composite Resins after Immersion in Staining Solutions: An In Vitro Study

Table 2

Means ± SD of color change after stain removal compared with baseline (ΔE2) in Gradia.

Staining solutionStain removal procedure
HBOBSXPC

Sour cherry juice (GCJ)1.93 ± 0.74Aa2.82 ± 0.36Ba2.09 ± 0.34Aa3.17 ± 0.65Ba
Coffee (GCO)3.32 ± 0.43Aa4.73 ± 0.78Ba3.83 ± 0.63ABa6.46 ± 1.34Ca

Means labeled with the same uppercase letters are not significantly different, as compared in rows. Means labeled with the same lowercase letters are not significantly different, as compared in columns.