Bulletin of the National Research Centre

Table 8 Mean ± standard deviations for the effect of material on FS

From: The effect of radiation exposure and storage time on the degree of conversion and flexural strength of different resin composites

		Grandio	Z250XT	Herculite XRV Ultra
No-radiation exposure	24-h	160.5 ± 8.6	179 ± 8.4	138.8 ± 10.3
	3-m	62.4 ± 5.6	29.2 ± 5.4	33.7 ± 6.1
	6-m	51.2 ± 6.8	39.1 ± 3.9	19.6 ± 5.7
Radiation exposure	24-h	216.6 ± 10.3	219.1 ± 7.2	119.5 ± 9.2
	3-m	118.9 ± 7.8	58 ± 7.4	24.3 ± 5.6
	6-m	27.3 ± 5.8	29.9 ± 5.2	18.7 ± 3.5
Total material		106.2 ± 67.1^A	92.4 ± 77.5^A	59.1 ± 50.8^B

Means with same superscript capital letters for the total material are not statistically significant at P = 0.05

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