Teeth with zirconium crowns can also rot, but it is useful to make the following distinction here. The decay is our own main tooth. Zirconium coating does not rot. Since zirconium is a very strong and long-lasting material, it is very difficult to decay. In this case, whatever we do to prevent our own teeth from decaying, you should pay attention to your mouth and teeth cleaning in the same way so that the teeth under the veneers do not rot after the veneer is done. When considering zirconia crown vs porcelain options, it's important to prioritize proper oral hygiene to prevent decay in the natural teeth under the crowns, regardless of the material chosen.

In short, if your doctor has successfully applied your zirconia crowns and you follow all oral care rules regularly, your cut teeth will not easily rot or loosen.