While screw-retained implant crowns are favored today, certain clinical situations dictate cemented crowns on custom abutments. I won’t be going into the different scenarios that favor screw-retained over cemented. Nor will this article cover the advantages and disadvantages of each approach. I’ll assume you already know that… Or, you simply have your own preferences.
I prefer screw-retained whenever possible. But, sometimes it’s not possible or practical.
This article describes a way to document where the screw access in the abutment is relative to the cemented crown restoration for future reference if needed.
Patient’s got a screw loose?
Implant screws sometimes come loose. Fortunately, I have seen none of mine… yet. But, it could happen to any of us, eh? I’ve had plenty of cemented implant crowns show up in my practice with a loose screw. It’s a vexing issue. There are typically two options:
- Cut off the crown and start over with a new restoration.
- Cut a channel through the crown to the screw access and remove the abutment and crown as a single unit… to save the restoration. Place a new screw, torque, and restore the new access with composite.
Over the years, I’ve encountered colleagues that claim veneers are doomed to fail…. Or, that they are less predictable than crowns. “Veneers pop off.” “Veneers break,” they say.
There are some serious potential problems with the COVID vaccines that are not being brought to light by those with the power to do so. The media and politicians are not discussing this at all. I’ve been reading the peer reviewed medical literature instead of listening to the talking heads. I have posted links and excerpts to three peer reviewed articles below. Decide for yourself.
Over the last several months, I’ve received numerous messages from friends who are desperate for a defensive firearm or ammunition. If you didn’t already know, the run on guns and ammo has created a major shortage. 
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