Effects of Different Thickness Combinations of Core and Veneer Ceramics on Optical Properties of CAD-CAM Glass-Ceramics
Table 3
Mean T, T%, TP, CR, and values of various specimen assemblies with different core-veneer combinations.
Mean(SD)
T
T%
TP
CR
EM 1
26.49 (0.79)
74.31 (0.88)
2.41 (0.025)
0.64 (0.013)
51.87 (0.47)
33.26 (0.84)
EM 2
25.12 (0.92)
72.76 (1.17)
2.39 (0.013)
0.65 (0.004)
50.80 (1.19)
33.18 (0.61)
EM 3
22.51 (0.97)
69.61 (1.25)
2.37 (0.034)
0.66 (0.013)
50.86 (0.78)
34.04 (0.82)
EP 1
29.64 (0.45)
75.97 (0.47)
2.47 (0.005)
0.62 (0.002)
59.22 (0.59)
36.55 (0.37)
EP 2
26.60 (1.11)
72.81 (1.30)
2.45 (0.009)
0.64 (0.004)
59.41 (0.60)
37.77 (0.40)
EP 3
22.60 (1.11)
67.79 (2.33)
2.40 (0.011)
0.67 (0.005)
59.64 (0.31)
39.87 (0.44)
P (material)
<.001
0.941
<.001
<.001
<.001
<.001
P (thickness)
<.001
<.001
<.001
<.001
0.321
<.001
P (mat.thick.)
<.001
<.05
0.156
<.05
<.05
<.001
: lithium disilicate glass-ceramic, EP: leucite-reinforced glass-ceramic with superscripts indicate statistically significant differences (p > 0.05) according to the post hoc test (Tukey multiple comparison test was used for statistical analysis). -values were obtained from two-way ANOVA.