abutment and also the surface treatment of the abutment on the retention of cement-retained, implant-supported zirconium oxide copings. … The effect of sandblasting and the number of implantabutment walls on the retention of zirconia crown is not obvious. This study aims to determine the effect of surfaceroughness and one-wall elimination of abutment on the retention of cemented zirconia-based implant-supported restorations. …
Abstract
Background
The purpose of this study was to determine the effect of one-wall elimination of the abutment and also the surface treatment of the abutment on the retention of cement-retained, implant-supported zirconium oxide copings.