Surface degradation and digital volumetric loss in ceramic and hybrid CAD/CAM surfaces after simulated toothbrushing with activated charcoal vs. whitening toothpaste.

After 30k cycles of brushing, the EMC DW30 and EMC WH30 were similar to each other, but the EMC AC30 exhibited a highly significant rougher surface compared to the other groups, and Ra values exceeded 0.2 μm.

also in 132,142 other papers

Whitening toothpaste tended to cause slightly lower roughness in hybrid ceramics initially, and although its effect increased over time, the difference between AC and WH in these materials did not reach statistical significance.

also in 111,027 other papers