Surface Roughness of Monolithic and Layered Zirconia Restorations at Different Stages of Finishing and Polishing: An In Vitro Study.
Khaled Q Al HamadAhmad M Abu Al-AddousAhed M Al-WahadniNadim Z BabaBrian J GoodacrePublished in: Journal of prosthodontics : official journal of the American College of Prosthodontists (2019)
Surface roughness of monolithic and layered zirconia was improved by polishing; however, only opaque zirconia reached the level of surface roughness of the glazed stage. Type of buildup affected the surface roughness of adjusted ceramics, with monolithic zirconia showing lower surface roughness than layered zirconia. Polishing with diamond paste provided no significant improvement in the surface roughness of monolithic or layered zirconia.
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