Research Article

Effect of Abutment Geometry and Luting Agents on the Vertical Marginal Discrepancy of Cast Copings on Implant Abutments: An In Vitro Study

Figure 5

Stereomicroscope images (×200) of the coping-abutment interface after cast coping cementation. (a) Zinc oxide noneugenol (52 μm). (b) Glass ionomer (46.4 μm). (c) Zinc phosphate (64 μm).