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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 ± 59.2A 92.5 ± 76.8B
  1. Means with same superscript capital letters for the total radiation are not statistically significant at P = 0.05