Zirconia Risks

Are there any risks?

Yes, there are some risks too, because the accuracy of crowns and bridges using CAD/CAM technology is not as consistent as some other dental fabricating processes. Why? Because crowns and bridges require extremely precise fits on tooth abutments or stumps that the dentist has prepared by hand. Scanning and mathematically calculating the stump surface typography is called reverse engineering and this process is known to have accuracy limitations.

In addition to that, machines that do the actual fabricating are computer-numeric-control (CNC) milling machines, and these machines also have accuracy limitations.

Finally, we can canclude that CAD/CAM produced dental treatments are not likely to replace traditional dental treatments because the crowns and bridges made on CAD/CAM dental systems often have fit issues including open margins and loose fits.

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