CatamountRob
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its a zirconia over a titanium
definitely no bonding on the 2 material
i vibrate some porcelain on it did bake it and it doesnt move anymore but i warned her that it will happen again that it will wiggle because there is no bonding between zirconia and titanium metal
i did ask the dentist that we make a new one but i got the do your best routine
It's a zirconia abutment cemented to a titanium base. You could have repaired it by placing it in your porcelain furnace at idle temp, maybe at 400 degrees for 5 minutes, that would soften the old cement so that you could pull the two pieces apart. Then you'd need to clean up the old cement and re-cement it.
That's still the right way to do it but I'm not sure how firing porcelain to it may have changed the equation.