The effects of crown venting or pre‐cementing of CAD/CAM‐constructed all‐ceramic crowns luted on YTZ implants on marginal cement excess

摘要

The purpose of this study was to analyze the cement excess produced when cementing CAD/CAM‐fabricated lithium disilicate (L) or zirconium dioxide (Z) crowns using adhesive cement (A) or resin‐modified glass ionomer cement (B). Three different cementation techniques were applied: palatal venting (PV), pre‐cementation with custom analogs (CA), and conventional standard procedure (SP).