Research Article

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

Table 2

Weight and surface roughness changes after abrasion, attrition, and erosion tests ().

CompositeMinimumMaximumMeanStd. deviation

Z250Weight diff. total-9.00-1.00-5.16673.060
Ra. diff. total-1.530.46-0.76470.753
Rq. diff. total-1.800.54-0.91490.888
Rz. diff. total-4.752.12-1/67122.482

X-tra filWeight diff. total-8.00-7.00-7.66670.516
Ra. diff. total-0.820.36-0.37850.419
Rq. diff. total-0.990.50-0.44480.520
Rz. diff. total-2.662.91-0.48982.197

EverXWeight diff. total-5.00-2.00-3.83331.169
Ra. diff. total-0.910.30-0.51320.425
Rq. diff. total-1.10-0.03-0.63070.409
Rz. diff. total-3.040.53-1.34971.461

Filtek Bulk-FillWeight diff. total-6.20-2.10-4.21671.468
Ra. diff. total-0.76-0.09-0.47480.257
Rq. diff. total-0.87-0.11-0.55350.347
Rz. diff. total-2.331.43-1.21671.381

SonicFill2Weight diff. total-10.00-4.00-5.50002.345
Ra. diff. total-1.810.19-0.70750.741
Rq. diff. total-2.250.23-0.85170.922
Rz. diff. total-6.870.16-2.11572.499