Effect of Wet and Dry Finishing and Polishing Technique on Microhardness and Flexural Strength of Nanocomposite Resins

Table 2

Mean ± SD, minimum, median, and maximum values of flexural strength of the samples.

Materials	Groups	Mean ± SD	Minimum	Median	Maximum
Z250	WT0	100.93 ± 12.22	82.32	100.66	112.60
	DT0	109.09 ± 10.74	92.31	110.95	119.25
	WT24	124.79 ± 19.52	93.44	128.35	141.65
	DT24	135.19 ± 18.68	111.86	136.46	158.50
Z350 XT	WT0	94.20 ± 4.63	87.80	94.42	98.93
	DT0	111.96 ± 10.57	98.48	116.47	122.69
	WT24	98.38 ± 22.30	64.41	95.72	122.12
	DT24	106.17 ± 24.96	77.98	109.78	130.41
Z550	WT0	108.17 ± 13.89	90.72	107.96	128.12
	DT0	115.17 ± 16.04	88.08	120.56	129.34
	WT24	111.72 ± 18.69	87.90	119.81	129.26
	DT24	114.72 ± 22.97	76.12	118.98	134.71

W₀: wet polishing at time 0, D₀: dry polishing at time 0, W₂₄: wet polishing after 24 hours, D₂₄: dry polishing after 24 hours.