I've started the transition to using zirconia abutments and crowns with my implant cases. Why? Two main advantages:
- The silver colour of a usual titanium implant abutment (structure underneath the crown) can now be a colour that more resembles the final crown. Allows for better aesthetics. (first image)
- The strength of the crowns is incredible (reportedly up to 1200 MPa), especially compared to all-porcelain crowns with very comparable aesthetics. Allows for better durability. (second image)
Thanks to POW Laboratories for the excellent lab work. The crowns can be cemented with a temp cement (yes, the fit is that good!) or a non-expanding permanent cement. The implants that we primarily use are Noble Biocare Replace Select.
Hans Skariah, B.Sc., DMD
Promenade Court Dental Health Group in Mississauga
2233 Hurontario St., Mississauga, ON, Canada
(1/2 km north of the QEW in the Dome Building)