For the last few months, we've been working with Ceramir cement from Doxa.
I've got to say that after doing an evaluation for Catapult and using the product for a while, I've come away impressed.
Ceramir is a unique idea in dental cements. It actually facilitates creating of hydroxyapatite crystals on dentin as it sets. This means that the material is truly "bioactive" and does a very nice job.
We've found it easy to use and we've had zero reports of post-op sensitivity with the product. The company also reports good retention, no marginal staining, and good film thickness… all of which I can confirm from our clinical experiences.
The product comes in a capsule and does require activation by a capsule "activator" (pictured above), as well as mixing in a triturator. Personally, I have not found this to be a problem. The material requires a very precise mixture which would be difficult to achieve in any other way. The material is activated, triturated, then placed in a dispenser that allows the capsule to express its contents into the prosthesis.
Stabilize the material for 2 minutes, clean the margins, stabilize for 4 more minutes, and the procedure is done!
Ceramir has become my "go to" cement and can be used for all cementation except, veneers and porcelain inlays/onlays.
If you'd like more info, here is the company website.
There is also some good info from my friend Lou Graham who wrote of the Catapult Group's experience in DPR.