Table 2.

Mean and standard deviation values of flexural strength, elastic modulus, modulus of resilience and Vickers microhardness for different groups after thermocycling.

Groups	Flexural Strength (MPa) ***	Elastic Modulus (MPa) *	Modulus of Resilience (MPa) ***	Vickers Microhardness (kg/mm2) ***
Control	86.35 ± 6.78 a	2640.00 ± 50.25 a	1.41 ± 0.19 a	14.98 ± 0.52 a
ND	101.76 ± 7.44 b	2735.08 ± 158.70 ab	1.88 ± 0.17 b	17.96 ± 1.07 c
A-ND	111.21 ± 7.43 b	2816.25 ± 73.83 b	2.20 ± 0.25 c	16.98 ± 0.62 b

Same lowercase letters indicate no significant differences in vertical column. * p ≤ 0.05, *** p ≤ 0.001 for comparison between the groups.