Table 1: Materials used in the study.

Material Type
(brand name)
Manufacture Shades
Feldspathic Enamel Vita VM 13 (Vita, Zahnfabrik, Bad Sackigen, Germany) Shade: B1
Zircon Ceramill Zolid PS (Aman Girrbach, Germany) Shade: B light
Emax press IPS Ema Press HT (Ivoclar Vivadent, Liechtenstein) Shade: B1
Emax CAD IPS Emax CAD HT (Ivoclar Vivadent, Liechtenstein) Shade: B1