International Journal of Dentistry / 2019 / Article / Tab 2

Research Article

Reinforcement of PMMA Denture Base Material with a Mixture of ZrO2 Nanoparticles and Glass Fibers

Table 2

Tukey–Kramer multiple-comparison test for flexural strength (MPa) and impact strength (kJ/m2) of denture base resins showing mean ± SD and groups with significant differences.

GroupsFlexural strength (MPa)
Mean ± SD
Impact strength (kJ/m2)
Mean ± SD

Control64.52 ± 5.763.89 ± 0.46a
A75.16 ± 6.95a3.80 ± 0.71b,c
B77.63 ± 5.65a3.44 ± 0.82b
C85.82 ± 6.96b3.30 ± 0.65c,d
D94.05 ± 6.953.24 ± 0.64d
E83.28 ± 5.32b2.77 ± 0.92b
F75.55 ± 6.23a2.37 ± 0.46e
G68.21 ± 7.761.99 ± 0.63a,e

Multiple comparison tests for all pairwise differences between the means. Groups with similar letters are not significantly different from each other.

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