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Table 3 Color change (Delta L, Delta a, Delta b, ΔE, and NBS units) of acrylic resin specimens after the 14-day experiment (mean ± SD)

From: Cinnamaldehyde is a biologically active compound for the disinfection of removable denture: blinded randomized crossover clinical study

Treatment Delta L Delta a Delta b ΔE NBS Units NBS Color difference
Hypochlorite −0.78 ± 0.70 a −1.07 ± 0.91 a −0.63 ± 1.19 a 1.97 ± 0.95 a 1.81 Perceptible
Cinnamaldehyde −0.60 ± 0.94 a −1.07 ± 1.55 a −0.57 ± 1.79 a 2.54 ± 1.25 a 2.34 Perceptible
  1. No difference between the substances (column) (paired t-test)