Table 4 Means and standard deviations of elastic modulus of the control and copolymer groups/GPa

From: Influence of acrylamide monomer addition to the acrylic denture-base resins on mechanical and physical properties

Test groups

Acrylic resins

QC-20

Acron MC

Control (100% PMMA)

2.07±0.07

2.07±0.19

5% copolymer (5% AAm+95% PMMA)

2.37±0.13

2.40±0.27

10% copolymer (10% AAm+90% PMMA)

2.99±0.08*

2.91±0.29*

15% copolymer (15% AAm+85% PMMA)

3.59±0.21*

3.55±0.18*

20% copolymer (20% AAm+80% PMMA)

3.30±0.14*

2.86±0.20*

  1. AAm, acrylamide monomer; PMMA, poly(methyl methacrylate).
  2. *Symbol indicates significant differences between control and copolymer groups in each column (P<0.01).