Research Article

Polymethylmethacrylate-Based Nanocomposites for Denture Base Fabrication: Impact of Nanoparticle Type and Concentration on the Color Change In Vitro

Table 4

Two-way ANOVA results for the effect of different variables on mean ΔEab of acrylic resin specimens.

Source of variationType III sum of squaresdfMean squareF-valueP-valueEffect size (partial η2)

Filler type1,978.9762989.488302.5760.918
Filler concentration116.8691116.86935.7370.398
Filler type × filler concentration interaction12.73526.3671.9470.1530.067

df, degrees of freedom = (n − 1). Significant at .