Effect of Veneering and Hydrothermal Aging on the Translucency of Newly Introduced Extra Translucent and High Translucent Zirconia with Different Thicknesses

Table 3

Difference between TP values of specimens before and after aging.

Thickness	XTV	XT	HTV	HT
0.5		-4.39 (0.67)^A,b		-3.37 (0.49)^B,f
; 1	-2.96 (1.92)^C,a	-3.36 (0.99)^C,c	-1.97 (0.87)^C,e	-2.60 (0.43)^C,g
; 1.5	-2.20 (1.02)^DE,a	-2.58 (0.76)^D,cd	-1.47 (0.96)^E,e	-2.01 (0.43)^DE,h
; 2	-1.83 (1.94)^F,a	-2.02 (0.22)^F,d	-1.16 (0.73)^F,e	-1.63 (0.39)^F,h

Same superscript uppercase letters indicate no statistically significant difference within each row. Same superscript lowercase letters indicate no statistically significant difference within each column ().