Effect of Aging on Stained Monolithic Resin-Ceramic CAD/CAM Materials: Quantitative and Qualitative Analysis of Surface Roughness.
Sven MühlemannJoëlle M BerniniBeatrice SenerChristoph Hans Franz HämmerleMutlu OzcanPublished in: Journal of prosthodontics : official journal of the American College of Prosthodontists (2018)
The applied staining protocol significantly increased surface roughness of CAD/CAM materials. Instability of the staining layer on resin-ceramic CAD/CAM materials could be anticipated over time as a consequence of toothbrushing, whereas feldspathic ceramic did not suffer from such aging effect.