Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Results of color alteration (ΔE), according to the treatments.
| Treatments | Mean (±SD) | Homogeneous groups a | ||
|---|---|---|---|---|
| Dye | 4.53 (±2.25) | A | ||
| Brushing | 4.26 (±2.69) | A | ||
| Food-simulating media | 3.52 (±1.90) | B | ||
Different letters mean significant differences among groups (p < .05).
