“…Esthetic restorations become noticeably flawed when the value is improperly managed. This unintended result is due to the human eye's heightened sensitivity to value, more so than discrepancies in chroma or hue (Awad, Stawarczyk, Liebermann, & Ilie, 2015 (Bayindir & Ozbayram, 2017;Yuan et al, 2007). However, other studies support a ΔE * ab > 3.3 as clinically unacceptable, so individual judgments must be made if a ΔE * ab value falls in between the discrepancy (Archegas, Freire, Vieira, Caldas, & Souza, 2011;Knezovic, Zlataric, Illes, Alajbeg, & Zagar, 2015).…”