Bulletin of the National Research Centre

Table 7 Mean ± standard deviations for the effect of radiation on FS

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

		No-radiation exposure	Radiation exposure
Grandio	24-h	160.5 ± 8.6	216.6 ± 10.3
	3-m	62.4 ± 5.6	118.9 ± 7.8
	6-m	51.2 ± 6.8	27.3 ± 5.8
Z 250 XT	24-h	179 ± 8.4	219.1 ± 7.2
	3-m	29.2 ± 5.4	58 ± 7.4
	6-m	39.1 ± 3.9	29.9 ± 5.2
Herculite XRV Ultra	24-h	138.8 ± 10.3	119.5 ± 9.2
	3-m	33.7 ± 6.1	24.3 ± 5.6
	6-m	19.6 ± 5.7	18.7 ± 3.5
Total radiation		79.3 ± 59.2^A	92.5 ± 76.8^B

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

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