Table 2: Impact Strength (J), Stress at Yield (MPa), Young Modulus (MPa), Displacement at Yield (mm) of Denture Base Materials (Means±SD; n=18)

Acrylic Resin Impact Strength Stress at Yield Young Modulus Displacement at Yield
Lucitone 550 1.0±0.12 a 86.3±7.5 a 2.500±204.5 a 5.2±0.8 a
QC 20 1.0±0.04 a 35.3±7.3 b 1.200±190.9 b 6.0±0.6 a
Impact 2000 2.4±0.31 b 97.3±4.8 c 2.100±149.3 c 8.6±1.3 b
Impact 1500 1.0±0.06 a 56.9±6.3 d 1.400±113.0 d 8.8±0.8 b

Means followed by distinct letters are statistically different at the 5% level of significance.