Surface Roughness of Direct, 3D-Printed and CAD/CAM Restorative Materials Following Different Bleaching Protocols
This in vitro study compared the effects of in-office and at-home bleaching on the surface roughness of restorative materials produced by direct, subtractive, and additive manufacturing. Ninety-nine specimens were fabricated from Neo Spectra ST (NS), Cerasmart 270 (CS), and Saremco print Crowntec (CT). The specimens we...