Research Article

Evaluation of Wear Properties of Four Bulk-Fill Composites: Attrition, Erosion, and Abrasion

Table 3

Results of one-way ANOVA comparing the weight and surface roughness changes of specimens after the three wear tests (abrasion, attrition, and erosion).

ANOVA
Sum of squaresDfMean squareSig.

Weight diff. totalBetween groups53.885413.4713.6100.019
Within groups93.288253.732
Total147.17429

Ra. diff. totalBetween groups0.63440.1590.5140.726
Within groups7.707250.308
Total8.34129

Rq. diff. totalBetween groups0.95040.2380.5400.708
Within groups11.001250.440
Total11.95129

Rz. diff. totalBetween groups8.67242.1680.5090.729
Within groups106.428254.257
Total115.10029