Research Article
Enhancing Presurgical Infant Orthopedic Appliances: Characterization, Mechanics, and Biofilm Inhibition of a Novel Chlorhexidine-Halloysite Nanotube-Modified PMMA
Table 4
Descriptive and inferential statistics of mechanical properties of different CHX-HNT acrylic samples.
| Tests | Groups | Descriptive statistics | ANOVA | Mean | SD | Min | Max | F-test | value |
| Flexural strength (MPa) | Acrylic | 79 | 6.63 | 71.800 | 87.5 | 1.821 | 0.164 | CHX-HNT 1% | 77.09 | 4.02 | 71.250 | 81.2 | CHX-HNT 1.5% | 76.3 | 10.60 | 65.000 | 87.5 | CHX-HNT 3% | 70 | 7.86 | 62.500 | 81.3 | CHX-HNT 4.5% | 69.3 | 5.57 | 63.700 | 77.5 |
| Roughness (Ra) | Acrylic | 1.488 | 0.21005 | 1.180 | 1.7 | 0.352 | 0.839 | CHX-HNT 1% | 1.516 | 0.53580 | 0.780 | 2.1 | CHX-HNT 1.5% | 1.68 | 0.20657 | 1.450 | 1.9 | CHX-HNT 3% | 1.67 | 0.63263 | 0.720 | 2.4 | CHX-HNT 4.5% | 1.810 | 0.69876 | 0.630 | 2.4 |
| Hardness | Acrylic | 21.43 | 0.93095 | 20.000 | 23 | 1.047 | 0.408 | CHX-HNT 1% | 21.2 | 0.87407 | 20.000 | 22 | CHX-HNT 1.5% | 22.2 | 1.1506 | 21.000 | 24 | CHX-HNT 3% | 21.1 | 0.93897 | 20.000 | 22 | CHX-HNT 4.5% | 21.4 | 0.1.01735 | 20.000 | 23 |
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Statistically significant difference ( value ≤0.005); min: minimum; max: maximum; SD: standard deviation. |