Table 2: T-Test was used for impact strength, thermal conductivity, and color stability between groups according to the addition of 3% of TiO2.

t-Test P-Value Sig
Impact strength
Group la and Group lb 3.723 0.002 S
Group IIa and Group llb 5.115 0.000 S
Thermal conductivity
Group la and Group lb 0.944 0.358 NS
Group IIa and Group llb 2.017 0.059 NS
Color stability
Group la and Group lb 5.045 0.000 S
Group IIa and Group llb 6.728 0.000 S

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