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Table 3 The mean and standard deviation values of the amount of HEMA released (μg/mL)

From: Evaluation of residual monomer release after polymerization of different restorative materials used in pediatric dentistry

Group 1st hour 1st day 7th day 14th day 21st day **p-value
1 0.021 ± 0.004a
(0.0002)
0.079 ± 0.005b
(0.0006)
0.150 ± 0.020c
(0.0012)
0.043 ± 0.006d
(0.0003)
0.029 ± 0.003d
(0.0002)
< 0.001
2 0.028 ± 0.005ad
(0.0002)
0.089 ± 0.011b
(0.0007)
0.152 ± 0.024c
(0.0012)
0.054 ± 0.010a
(0.0004)
0.035 ± 0.003d
(0.0003)
< 0.001
3 0.034 ± 0.003ad
(0.0003)
0.083 ± 0.008b
(0.0006)
0.146 ± 0.028c
(0.0011)
0.041 ± 0.007a
(0.0003)
0.033 ± 0.005d
(0.0003)
< 0.001
4 0.024 ± 0.002a
(0.0002)
0.061 ± 0.006b
(0.0005)
0.118 ± 0.007c
(0.0009)
0.031 ± 0.004a
(0.0002)
0.028 ± 0.005a
(0.0002)
< 0.001
5 0.081 ± 0.019a
(0.0006)
0.149 ± 0.024b
(0.0011)
0.203 ± 0.032b
(0.0016)
0.053 ± 0.006a
(0.0004)
0.026 ± 0.003c
(0.0002)
< 0.001
6 0.022 ± 0.005a
(0.0002)
0.060 ± 0.003b
(0.0005)
0.113 ± 0.011c
(0.0009)
0.033 ± 0.005d
(0.0003)
0.023 ± 0.003a
(0.0002)
< 0.001
7 0.017 ± 0.003a
(0.0001)
0.048 ± 0.004b
(0.0004)
0.091 ± 0.007c
(0.0007)
0.024 ± 0.004a
(0.0002)
0.014 ± 0.003a
(0.0001)
< 0.001
8 0.019 ± 0.001a
(0.0001)
0.055 ± 0.005b
(0.0004)
0.087 ± 0.004c
(0.0007)
0.025 ± 0.004a
(0.0002)
0.014 ± 0.0003d
(0.0001)
< 0.001
9 0.022 ± 0.003ac
(0.0002)
0.065 ± 0.014b
(0.0005)
0.102 ± 0.020b
(0.0008)
0.029 ± 0.003a
(0.0002)
0.022 ± 0.003c
(0.0002)
< 0.001
10 0.006 ± 0.001a
(0.0000)
0.025 ± 0.002b
(0.0002)
0.029 ± 0.005b
(0.0002)
0.009 ± 0.002a
(0.0001)
0.010 ± 0.003a
(0.0008)
< 0.001
11 0.025 ± 0.006ad
(0.0002)
0.071 ± 0.008b
(0.0005)
0.131 ± 0.020c
(0.0010)
0.038 ± 0.005a
(0.0003)
0.029 ± 0.003d
(0.0002)
< 0.001
12 0.016 ± 0.002a
(0.0001)
0.031 ± 0.004bc
(0.0002)
0.047 ± 0.011c
(0.0004)
0.017 ± 0.005a
(0.0001)
0.019 ± 0.006ab
(0.0001)
< 0.001
*p-value < 0.001 < 0.001 < 0.001 < 0.001 < 0.001  
  1. The numbers in parentheses are expressed as mmol/L
  2. *One way ANOVA post Hoc bonferroni
  3. **Repeated measures ANOVA post hoc bonferroni
  4. a,b,c,d:Different letters indicate statistically significant difference at p < 0.05 in the same row