Table 2. Mean ΔE for each CAD/CAM restorative material at each interval time. Same superscript letters reported in row mean no significant differences between CAD/CAM restorative materials (P > 0.05).
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.