Enhancement of Tech-Sil25 Maxillofacial Silicone Mechanical Properties after Artificial Weathering through Addition of Nanoparticles
Table 3
The comparison of 1%, 2%, and 3% wt. nanosilica (NS) addition on Tech-sil25 maxillofacial silicone mechanical properties.
Weight percent (wt. %)
Values mean ± SD
F statistic a (df)
value a
Shore A hardness (mm)
Control
27.00 ± 1.00
45.27
1% NS
29.33 ± 1.15
(3; 8)
0.000b
2% NS
33.66 ± 1.52
3% NS
38.66 ± 1.52
Tensile (MPa)
Control
3.82 ± 0.59
13.46
1% NS
5.16 ± 0.34
(3; 8)
0.002c
2% NS
6.20 ± 0.31
3% NS
4.24 ± 0.59
Tear (kN/m)
Control
24.06 ± 0.09
84.08
1% NS
24.88 ± 0.05
(3; 8)
0.000b
2% NS
25.89 ± 0.07
3% NS
22.60 ± 0.50
Roughness (μm)
Control
0.20 ± 0.01
27.61
1% NS
0.14 ± 0.02
(3; 8)
0.000b
2% NS
0.40 ± 0.13
3% NS
0.61 ± 0.02
aOne-way ANOVA test. b All 3 pairs of mean scores are significantly different by post hoc test (Scheffe procedure). c All 2 pairs of mean scores are significantly different by post hoc test (Scheffe procedure). ∗indicates the highest mean value.