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Table 6 The mean and standard deviation values of the amount of BIS-GMA 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 5.931 ± 0.686a
(0.0116)
14.792 ± 1.229b
(0.0289)
12.321 ± 1.641b
(0.0240)
3.155 ± 0.546c
(0.0062)
2.567 ± 0.322c
(0.0050)
< 0.001
2 7.881 ± 1.790ac
(0.0154)
17.206 ± 2.774b
(0.0336)
12.969 ± 1.975a
(0.0247)
4.242 ± 0.679c
(0.0083)
3.284 ± 0.399d
(0.0064)
< 0.001
3 8.465 ± 1.614ab
(0.0165)
15.876 ± 2.456a
(0.0310)
12.642 ± 2.683b
(0.0247)
3.750 ± 1.979c
(0.0073)
3.064 ± 0.554c
(0.0060)
< 0.001
4 4.237 ± 0.494a
(0.0083)
10.658 ± 1.023b
(0.0208)
8.587 ± 0.638c
(0.0168)
2.315 ± 0.188d
(0.0045)
2.163 ± 0.292d
(0.0042)
< 0.001
5 33.278 ± 10.622ab
(0.0649)
35.731 ± 7.434a
(0.0697)
20.557 ± 3.208b
(0.0401)
4.954 ± 0.519c
(0.0097)
3.021 ± 0.281d
(0.0059)
< 0.001
6 4.738 ± 1.335a
(0.0092)
10.750 ± 1.392b
(0.0210)
8.922 ± 1.218c
(0.0174)
2.526 ± 0.577d
(0.0049)
2.197 ± 0.411e
(0.0043)
< 0.001
7 2.784 ± 0.663a
(0.0054)
7.683 ± 0.907b
(0.0150)
5.999 ± 0.648c
(0.0117)
1.543 ± 0.257d
(0.0030)
1.413 ± 0.239d
(0.0028)
< 0.001
8 2.969 ± 0.306a
(0.0058)
8.586 ± 0.614b
(0.0168)
6.736 ± 0.666c
(0.0131)
1.592 ± 0.197d
(0.0031)
1.381 ± 0.142e
(0.0027)
< 0.001
9 3.310 ± 0.856a
(0.0065)
8.084 ± 1.840b
(0.0158)
6.587 ± 1.411b
(0.0129)
1.700 ± 0.292a
(0.0033)
1.472 ± 0.207c
(0.0029)
< 0.001
10 0.190 ± 0.035a
(0.0004)
0.745 ± 0.100b
(0.0015)
1.217 ± 0.105c
(0.0024)
0.315 ± 0.042d
(0.0006)
0.144 ± 0.025a
(0.0003)
< 0.001
11 5.287 ± 1.167a
(0.0103)
12.460 ± 0.996b
(0.0243)
10.587 ± 1.214b
(0.0207)
2.920 ± 0.252a
(0.0057)
2.450 ± 0.147c
(0.0048)
< 0.001
12 2.381 ± 0.781ab
(0.0046)
3.137 ± 1.167a
(0.0061)
2.894 ± 1.056a
(0.0056)
1.123 ± 0.368b
(0.0022)
0.801 ± 0.362c
(0.0016)
< 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 differences at p < 0.05 in the same row