Research Article
Enhancement of Tech-Sil25 Maxillofacial Silicone Mechanical Properties after Artificial Weathering through Addition of Nanoparticles
Table 4
The comparison of addition a combination (NSA) on Tech-sil25 maxillofacial silicone mechanical properties.
| | | Weight percent (wt. %) | Values mean ± SD | F statistic a (df) | value a |
| | Shore A hardness (mm) | Control | 27.0 ± 1.00 | 47.02 | | | NA 0.5% + NS 0.5% | 26.6 ± 5.57 | (3; 8) | 0.000b | | NA 1% + NS 1% | 30.3 ± 1.52 | | | | NA 1.5% + NS 1.5% | 35.3 ± 1.15 | | | | NA 2% + NS 1% | 35.3 ± 0.57 | | | | NA 1% + NS 2% | 36.6 ± 1.52 | | |
| | Tensile (MPa) | Control | 3.82 ± 0.59 | 26.39 | | | NA 0.5% + NS 0.5% | 4.91 ± 0.04 | (3; 8) | 0.000b | | NA 1% + NS 1% | 5.95 ± 0.25 | | | | NA 1.5% + NS 1.5% | 3.65 ± 0.09 | | | | NA 2% + NS 1% | 3.43 ± 0.10 | | | | NA 1% + NS 2% | 3.80 ± 0.45 | | |
| | Tear (kN/m) | Control | 24.0 ± 0.09 | 79.12 | | | NA 0.5% + NS 0.5% | 24.7 ± 0.13 | (3; 8) | 0.000b | | NA 1% + NS 1% | 25.8 ± 0.06 | | | | NA 1.5% + NS 1.5% | 22.8 ± 0.08 | | | | NA 2% + NS 1% | 23.2 ± 0.07 | | | | NA 1% + NS 2% | 22.8 ± 0.52 | | |
| | Roughness (μm) | Control | 0.20 ± 0.01 | 112.6 | | | NA 0.5% + NS 0.5% | 0.12 ± 0.02 | (3; 8) | 0.000b | | NA 1% + NS 1% | 0.28 ± 0.05 | | | | NA 1.5% + NS 1.5% | 0.67 ± 0.05 | | | | NA 2% + NS 1% | 0.68 ± 0.01 | | | | NA 1% + NS 2% | 0.78 ± 0.07 | | |
|
|
aOne-way ANOVA test. b All 3 pairs of mean scores are significantly different by post hoc test (Scheffe procedure). ∗indicates the highest mean value.
|
