Skip to main content
. 2019 Mar 13;31(3):382–391. doi: 10.1016/j.sdentj.2019.03.005

Table 3.

P-value of tested materials with different mechanical properties.

Materials P-value
Izod impact strength Tensile strength Young’s modulus Bending deflection
PEEK-milled PEEK-pressed (100 °C) 0.004 <0.001 0.003 <0.001
PEEK-pressed (150 °C) >0.05 <0.001 ≤0.001 <0.001
PEEK-pressed (175 °C) 0.034 <0.001 <0.001 <0.001
PEEK-pressed (200 °C) >0.05 <0.001 0.003 <0.001
PMMA-HC 0.005 <0.001 <0.001 ≤0.001
PMMA-pressed 0.004 <0.001 <0.001 <0.001



PEEK-pressed (100 °C) PEEK-pressed (150 °C) 0.015 0.018 >0.05 >0.05
PEEK-pressed (175 °C) >0.05 >0.05 >0.05 >0.05
PEEK-pressed (200 °C) 0.002 0.013 >0.05 >0.05
PMMA-HC <0.001 <0.001 <0.001 <0.001
PMMA-pressed <0.001 <0.001 <0.001 <0.001



PEEK-pressed (150 °C) PEEK-pressed (175 °C) >0.05 >0.05 >0.05 >0.05
PEEK-pressed (200 °C) >0.05 >0.05 >0.05 0.010
PMMA-HC <0.001 <0.001 <0.001 <0.001
PMMA-pressed <0.001 <0.001 <0.001 <0.001



PEEK-pressed (175 °C) PEEK-pressed (200 °C) >0.05 >0.05 >0.05 0.025
PMMA-HC <0.001 <0.001 <0.001 <0.001
PMMA-pressed <0.001 <0.001 <0.001 <0.001



PEEK-pressed (200 °C) PMMA-HC <0.001 <0.001 <0.001 <0.001
PMMA-pressed <0.001 <0.001 <0.001 <0.001
PMMA-HC PMMA-pressed >0.05 >0.05 >0.05 >0.05

PEEK: PolyEtherEtherKetone.

PMMA: Polymethylmethacrylate.

HC: Heat-cured.