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.

TestsGroupsDescriptive statisticsANOVA
MeanSDMinMaxF-test value

Flexural strength (MPa)Acrylic796.6371.80087.51.8210.164
CHX-HNT 1%77.094.0271.25081.2
CHX-HNT 1.5%76.310.6065.00087.5
CHX-HNT 3%707.8662.50081.3
CHX-HNT 4.5%69.35.5763.70077.5

Roughness (Ra)Acrylic1.4880.210051.1801.70.3520.839
CHX-HNT 1%1.5160.535800.7802.1
CHX-HNT 1.5%1.680.206571.4501.9
CHX-HNT 3%1.670.632630.7202.4
CHX-HNT 4.5%1.8100.698760.6302.4

HardnessAcrylic21.430.9309520.000231.0470.408
CHX-HNT 1%21.20.8740720.00022
CHX-HNT 1.5%22.21.150621.00024
CHX-HNT 3%21.10.9389720.00022
CHX-HNT 4.5%21.40.1.0173520.00023

Statistically significant difference ( value ≤0.005); min: minimum; max: maximum; SD: standard deviation.